Proceedings of the 2015 4th International Conference on Sustainable Energy and Environmental Engineering

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216 articles
Proceedings Article

Influence of subgrade defects on vibrational characteristics of ballastless track subgrade of high-speed railway

Qiyun Wang, Hongbin Zeng, Tingwei Jiang
In order to analyze influence of subgrade defects on the dynamic characteristics of ballastless track subgrade, a three-dimensional finite element model of the CRTSâ…¡ ballastless slab track subgrade was establisbed, vertical vibrational displacement and acceleration of sugrade were calculated in consideration...
Proceedings Article

Influence of Support arrangement on Box girder structure of Span curved bridge with high piers

Long Zhang
The bending-torsional coupling effect of a curved bridge is so obvious. To explore the effect of the curvature radius to a curved bridge, the WuJiaWan Bay Bridge is taken as an object of analysis. The bridge is made up of high piers and long-span continuous ridge frame. The relationship of a whole curved...
Proceedings Article

General aviation development prediction research*

Weijun Pan, Rundong Wang, Lei Yang, Chuyang Yang, Xingyu Zhuo, Jie Luo
With the low altitude airspace open in succession in China, the general aviation industry of China began to develop rapidly, so general aviation development prediction has become one of the pressing needs for the future planning of the government and the general aviation enterprise. In view of this,...
Proceedings Article

Create beautiful Highway Traffic Engineering Design

Peng Zeng, Fa Wang
Aiming to create a beautiful road in a variety of shortcomings, it pointed out that does not suit to all aspects of creation requirements, starting from the design concept for the improvement of road construction. Traffic engineering from the perspective put forward a number of issues that need attention.
Proceedings Article

Beautiful highway construction case study

Youzhou Chen, Fa Wang
In terms of the existing highway unsuitable beautiful road, in-depth analysis of various aspects of the construction and control objectives, put forward specific content design.
Proceedings Article

Initial Analysis on the Improvement of Highway Slop Landscape Based on the Ecological Protection

Aidao Luo, Zongling Yan, Wenguang Zhai
On the basis of discussing the connotation of slope ecological protection, this paper put forward the influence of highway construction on ecological environment and the thought in landscape improvement. 19 kinds of technological principles, technical features, scope of application and landscape effects...
Proceedings Article

Effects of Road Maintenance on Vehicle Emissions Evaluating by the Model of Highway Development and Management

Mengran Zhang
Vehicle emission is nowadays a significant source of climate change and air pollution. In order to control vehicle emissions, road maintenance is considered as one of the controlling method. Hence, it is necessary to find out how maintenance effects on vehicle emissions. Model of Highway Development...
Proceedings Article

Study of Deformation Mechanism on the Pipeline in Steep Longer Distance Seams Mining

Guoming Cheng, Tongzu Liu, Yunlong Wang
In order to understand the deformation mechanism on the pipeline in steep longer distance seams mining, taking one coal mine as case study, where the gas pipeline from Shanshan to Urumqi, in China is laid across. FLAC3D was adopted to study the deformation mechanism on the pipeline. The simulations reveal...
Proceedings Article

Numerical simulation of expansion of the cavity in tube-wall based on tube transportation of ultra-critical CO2

Weihao Wang, Chen Wang
The paper simulated the mechanical process of transportation of ultra-critical using glass reinforced plastic pipe (GRP pipe). The gas expansion model of micro-cavity in GRP pipe was established based on the experimental results. By analyzing the physical process of gas expansion on the micro-pore, the...
Proceedings Article

The comparative study on analytical solutions and numerical solutions of the deformation of a circular hole in layered rock mass

Zhizeng Zhang, Xiaochang Li, Xin Zhang
This paper derived an approximate deformation analytical solution of a circular hole which is parallel to the isotropic plane of the layered rock mass. The data comparisons of approximate solutions and numerical solutions are conducted in different radii and stress conditions through the FLAC3D software....
Proceedings Article

Speciation of Cr in waste rocks of Xinqiao pyrite mine in Tongling, China

Liwei Chen, Xiaochun Xu, Jun Wang
Based on the investigation of the characteristics of the waste rocks of Xinqiao pyrite mine in Tongling, the possibility of AMD was discussed, and the speciation of Cr in the waste rocks was studied by the improved five steps sequential extraction method. The results reveal that the NP is less than the...
Proceedings Article

Pedestrian evacuation based on a improved dynamic parameters model

Nuo Zhu, Fengru Shao
A improved dynamic parameters model is presented based on cellular automata in this paper.The dynamic parameters: Direction-parameter, Empty-parameter and Cognition-parameter are formulated to simplify tactically the decision-making process of pedestrians, which can reflect the pedestrian judgment on...
Proceedings Article

Durability behavior of prepainted steel sheet for construction

Huiping Bai, Yuanqiang Tu, Rong Du, Zehong Lei
The durability behavior of prepainted steel sheets for construction produced by different companies was studied by neutral salt spray analysis and accelerated UV ageing test with the aid of glow discharge optical emission spectrometry (GDS). The salt spray results suggested that both prepainted steel...
Proceedings Article

New trends of landslide disasters after impoundment of the Three Gorges Reservoir, China, and reflections related to landslide prevention

Chao Zhang, Rubin Wang
Based on typical historic landslide disasters in the Three Gorges Reservoir, in this short communication, the most important factors that are likely to induce landslides in the reservoir region were explored, and the new trends of landslide disasters after impoundment of the reservoir region were comprehensively...
Proceedings Article

Experimental Study of the Flexural Behavior of Concrete Beams with Recycled Brick Aggregate

Yuanbing Cheng, Guang-Hua Qiao
Two specimen of concrete beam with recycled brick aggregate and a common reinforced concrete beam as contrast specimen were designed. The beams were simply supported, the width and height of the rectangle section of the beams was 150mm and 300mm, the span were 3m, reinforcement and loading method were...
Proceedings Article

Application of the GLUE Method to parameter uncertainty analysis of Xin’anjiang model

Chao Zhang, Rubin Wang
Uncertainty analysis of the parameters of conceptual rainfall-runoff models is studied via application of the Xin’anjiang (XAJ) model as a case study. A new research methodology is suggested. We suggest to fix a subset of insensitive parameters first, and then analyze the uncertainty of the other parameters....
Proceedings Article

Embankment dam leakage survey based on ERI and MRS

Hongen Li, Zheng Li, Haifeng Xu, Yongjun He
Embankment dam leakage may cause devastating consequences and its early detection plays a significant role in the stability of embankment dam. Conventional dam leakage detection methods, such as piezometric tube or osmometer, are restricted by limitations of spatial distribution and high costs of instruments....
Proceedings Article

Study on the evaluation index system of green construction of pile foundation

Dong Wang, Zhaohui Chen, Li He Luo
The green construction is the direction that civil engineering can realize sustainable development, there is no specific inferior index about green construction global frame in ‘Green Construction Guideline ’, it is the important condition than can conduct the evaluation about green construction...
Proceedings Article

Study on Pre-Crack Marble Brazilian Disc Crack with SHPB Experiment and Numerical Simulation

Jiang-Feng Ma, Jing-Chun Xu, Xiu-Li Zhang, Yao Rong
We presented a new two-dimensional crack criterion for DDA (Discontinuous Deformation Analysis) method to simulate the failure of pre-crack Brazilian disc marble specimens under dynamic loading. The Split Hopkinson Pressure Bar (SHPB) equipment was used to impact the specimen and check the applicability...
Proceedings Article

Finite Element Analysis of Adhesive Steel Bar in Concrete under Tensile Load

Jianrong Zhang, Ruibin Shu, Zixiang Zhao
According to the results of pullout-test for adhesive steel bar in concrete, a bond-slip relationship on adhesive interface is established. This relationship reflects effect of some parameters, such as effective embedment length, drill diameter, characters of anchor adhesive, etc., on bonding strength...
Proceedings Article

Reliability Analysis of Pre-stressed Concrete Continuous Girders Bridge using Incremental Launching Method on Chinese code and AASHTO LRFD

Jiangang Cai, Yue Xu, Fenghui Dong
The object of this paper analyzes the reliability level of pre-stressed concrete continuous girder bridges designed with the Chinese code (JTG D62-2004) and AASHTO LRFD (2007) using incremental launching method at construction stage. Typical cross-sections used in the example bridge are considered at...
Proceedings Article

Analysis of The Optimal slenderness ratio for Power Transmission Tower

Zhenggang Fang, Peng Huang, Kun Wu, Juan Mo, Rui Liu
Through theoretical analysis, this paper deduced the optimal slenderness ratio and calculated length of the angle steel. According to the actual stress conditions, this paper figure out the optimal slenderness ratio and calculated length of the large angle steel, large double angle steel, ordinary double...
Proceedings Article

THMs formation potential under Amino acid chlorination in a pilot-scale water distribution system

Feilong Dong, Xu Du, Xingbo Chen, Cong Li
In recent years, the most commonly used method for the tap water disinfection is chlorination. However, a lot of disinfection byproducts (DBPs) with the nature of carcinogenicity, teratogenicity, mutagenicity can be produced as by-products in the process of chlorination. Therefore, DBPs would do great...
Proceedings Article

Research on slope support technology based on fast drainage

Meng-Yun Mao, Yao Rong, Chun-Yang Wang, Bing Sun
With the rapid development of China's economic construction, construction, water conservancy, mining, railway, highway, etc. are also changing rapidly, the number of high slope gradually increased; the scale is also expanding, so the slope reinforcement technology of cognition and use is very important....
Proceedings Article

Research on the design method of the automobile design load of the small span bridge in the heavy traffic volume

Yan Dai, Dengzhou Quan, Hongjie Guan
Based on the vehicle load survey data measured by High speed dynamic weighing equipment in Luogang Section of National Highway No.107 and the basic theory of probability and statistics, the parameters such as gross vehicle weight, axle load, wheelbase, vehicle spacing and so on,are statistically analysed...
Proceedings Article

Some Problems discussion on electro-osmotic consolidation of soil

Zi-Jian Ye
Although many laboratory tests study on electro-osmotic consolidation of soil, it is not widely used in practical engineering, since influenced by existing problems of electrode erosion, low effiency, uneven consolidation, the effect of electro-osmotic treatment is not perfect. In this paper, several...
Proceedings Article

Analysis of the Chemo-thermal Stresses around a Cylindrical Hole in a Saturated Porous Medium

Liang Chen, Qing Yao, Luwu He
In this paper, based on the chemo-thermo-poroelasticity model of saturated porous medium undergoing the local thermal non-equilibrium (LTNE) conditions, the pore pressure and chemo-thermal stresses around a cylindrical hole in an infinite fluid saturated porous medium subjected to sudden variations for...
Proceedings Article

The reliability analysis for main fuel accelerated regulation system of aero-engine based on interval model

Lei-Lei Zhang, Sheng-Zhi Liu, Zheng Zhang, Feng Zhang
To effectively assess the reliability of aero-engine main fuel accelerated regulation system under poor failure statistics information, a fault tree analysis method based on interval model is presented. Firstly, according to main fuel accelerated regulation system principle and failure mechanism, the...
Proceedings Article

Mechanical Analysis of Prestressed Concrete Partially Cable-Stayed Bridge with Corrugated Steel Webs

Wenjuan Liu, Fengping Zhang, Peifeng Li, Rui Zhang, Shui Wan
The structure of C-bridge is prestressed concrete partially cable-stayed bridge with corrugated steel webs with a main span of 188m, and the span arrangement is 58m+118m+188m+108m, and the form of box-girder section is one-box four-rooms with inclined webs. In this paper, the finite element method is...
Proceedings Article

Shear capacity of steel-concrete composite beams with Hybrid Full Web and Truss System

Xiayuan Li, Shui Wan, Jiandong Zhang, Wenjuan Liu, Fengping Zhang
The paper is devoted to the behavior of steel-concrete beam with Hybrid Full Web and Truss system subjected to four-point loading mode. Steel-concrete composite beam with HFWT system was investigated both experimental and computational using finite element technic. In the finite element analysis, test...
Proceedings Article

Numerical Simulation of Fluid-Structure Interaction for Wind-induced Dynamic Response of Low-rise Lightweight Buildings with Different Roof Pitches

Zhenhua Liu, Qianyi Wang, Limei Tian
Low-rise buildings such as lightweight portal frames are often very susceptible to wind effects, owing to their light weight and large span. The numerical simulation analysis of fluid-structure interaction of low-rise lightweight buildings with different roof pitches is performed by ADINA to investigate...
Proceedings Article

Model test study on landslide of reservoir bank near dam under antecedent rainfall

Zhuo Li, Yong-Jun He, Hai-Feng Xu, Yang Yang
Based on the rainfall profile in the area of the reservoir bank near the dam of Longjiang hydropower plant in Yunnan Province, the authors investigate the landslide under antecedent rainfall. By using the self-developed experimental apparatus, a model test which simulate the landslide under antecedent...
Proceedings Article

Influence of channel dredging on subsea shield tunnel using FEM

Xianghong Chen, Lianjin Tao, Xi Chen
Subsea tunnel construction has become the prevalent tendency connecting countries and districts, Controlling and minimizing the negative influence of channel dredging on tunnel have great significance throughout the tunnel construction and operation phase. So a three-dimensional finite element model...
Proceedings Article

Vessel Traffic Control Strategy under Complex Weather Conditions for Three Gorges Reservoir

Yaojie Chen, Liwen Huang
To ease ship traffic overstock and accidents caused by complex weather in Three Gorges reservoir, the paper took ship traffic organization as the research object. Combined with the features of inland navigation, the paper built up both the safety distance model and safe model for Three Gorges reservoir...
Proceedings Article

Numerical Simulation of GTM Asphalt Mixture Design Parameters Based on Discrete Element

Shanqiang Li, Hao Li, Xinquan Xu
The laboratory compaction method produces a huge effect on the design of mix proportion and performance testing of asphalt mixes. For the result of a performance test to yield reliable physical properties, it is necessary to ensure that laboratory specimens are fabricated in a manner that adequately...
Proceedings Article

Temperature Stress of Roller Compacted Concrete Base of Durable Asphalt Pavement

Shanqiang Li, Hao Li, Yong Zhou, Guomin Zhang
Earlier research has demonstrated that rigid base, when properly applied, can enhance the cracking and rutting resistance of asphalt concrete layers in pavements. This study focussed on developing the temperature stress distribution of roller compacted concrete(RCC) base by conducting appropriate experiments...
Proceedings Article

The analysis of dynamic response of rock mass around tunnel under dynamic unloading

Xian Li
During the excavation of rock mass with the method of drill and blast, the release of in-situ stress, also known as excavation load on boundary, is traditional a dynamic process, so the inertia and all other dynamic responses induced by the release of in-situ stress cannot be ignored. Compared with corresponding...
Proceedings Article

Study on A Newtype Plunge Pool of High Arch Dam

Yingkui Wang, Jia Zhu, Chunbo Jiang
Lots of built or building dams, especially the high arch dam, located in the Southwest China with abundant hydro-power resources. Most of these dams have the characteristics of “High head, Large discharge and Narrow river valley”, therefore, the security researches of energy dissipation were always...
Proceedings Article

Influence of Earthquake on Deformation and Stability of Certain a Landslide

Yinger Deng, Zhimin Zhao, Xin Peng
This paper focused on change characteristics of deformation and stability of certain a landslide under conditions of earthquake. The mathematical model of dynamic analysis of earthquake was utilized for deformation and stability of the landslide with weak permeable media. This paper studied change characteristics...
Proceedings Article

Centrifuge Study of the Seismic Response of Municipal Solid Waste Landfill

Ren Peng, Yujing Hou, Cun Wang
Seismic response of municipal solid waste (MSW) landfill under horizontal and vertical earthquakes has been investigated by dynamic centrifuge testing. The MSW was modelled by mechanically representative model waste. The acceleration response at various depths were recorded and used to investigate the...
Proceedings Article

Accounting and Environment Path for Building Sector

Soleimani Damaneh Alireza, Fengju Xu, Soleimani Damaneh Mohammadreza
High-speed economy development has been overtaking the environment and environmental accounting in china. A detailed chart of the integration of different parts of two extensive knowledge (Accounting and Environment) can help greatly to the understanding of the environmental accounting. This chart, synchronized...
Proceedings Article

A Practical Data Processing Analysis for Water Impact Problem

Yonghu Wang
The paper presents a practical data processing methodology to smooth away high frequency noise for water impact problem. At first, original experimental data analysis is employed to design the real time low-pass filter, especially for the cutoff frequency of the filter. At the same time, velocity-time...
Proceedings Article

Nonlinear Finite Element Analysis on Flexural Bearing Capacity of Reinforced Concrete Beams Strengthened by SGFRP

Zhi Zhang, Qiming Yu
6 finite element models of ANSYS were constructed. A material nonlinear finite element analysis by the finite element calculation software ANSYS on reinforced concrete beams strengthened by SGFRP under the gravity symmetric concentrated loads was performed. The load-displacement curves of the models...
Proceedings Article

Analysis on the Construction of Green Ecological Architecture System in Wuhan City Circle

Nan Lin
This paper introduced the necessity of constructing green ecological architecture system in Wuhan city circle, combined with the characteristics of the development of green building in the city, from the construction of regional green ring, hierarchical planning, promotion of green building materials,...
Proceedings Article

Wind-induced Nonlinearities of Super Long Stay Cables

Mingjie Zhang, Fuyou Xu
Effects of aerostatic wind loads on effective elastic modulus and fundamental frequencies of stay cables in bridge are studied by finite element method (FEM). Dynamic responses of stay cables under supports’ excitations are calculated through theoretical method and FEM. Results show that the in-plane...
Proceedings Article

Evaluating the habitat factors of Pristiphora laricis Infestation: Information Load Model

Shuhan Wang, Bingbing Zeng, Xiaoli Zhang
Larch defoliation by Pristiphora laricis has caused great damage in China. Taking Saihanba Mechanical Forestry Farm of Hebei Province between 2007 and 2010 as the study area, the relationship between the Pristiphora laricis infestation and the habitat factors were analyzed after representative needles...
Proceedings Article

Optimization of the typical environmental problem based on energy conservation and emission reduction

Baoyou Liu, Tao Wang
A better project can always be obtained by system optimization of the typical environmental problems. In order to explore the optimal schedule arrangement, an operational research model based on the shortest path problem is put forward and resolved by MATLAB. The results showed that the whole trip distance...
Proceedings Article

Analysis of Natural Vibration Characteristics of the Steel Tubular Tower for Horizontal Axis Wind Turbine

Zhenhua Liu, Lili Zhang, Juan Li
Based on the principle of dynamic finite element theory, the horizontal axis wind turbine 600kW tower models were established in this paper to study the dynamic characteristics and influencing factors of the wind turbine tower. The author studied three meaningful vibration modes: lateral flexural vibration...
Proceedings Article

Comparative Study on Method for Determining the Benchmark of Office Building Energy Consumption in Xi’an

Yuan Jia, Zengfeng Yan
The methods of multiple regression analysis and simplified calculation were used to predict the benchmark of office building energy consumption, the features and the applicabilities of the two methods were discussed based on the comparation of predicted results, and the benchmark of office building energy...
Proceedings Article

Discussion on Design Method of Prestressed Concrete Frame Joints with Spread-Ended Beams

Qingwen Liu, Wenxv Li, Qingyun Xu, Chao Lv
Based on the previous experimental and numerical analysis studies, the design menthod for prestressed concrete frame joints with spread-ended beams are proposed according to home and abroad related design codes and references, and the designed method is verified by test data. The results show that the...
Proceedings Article

Study on The Influence of Enclosed Cut-off Walls on Precipitation Design for Foundation Pit Engineering

Lianxiang Li, Fenting Lu, Zongcai Li
The current design specifications ignore the influence of cut-off walls on foundation pit de-watering design, the calculation formula of water inflow and the predictor formula of drawdown for enclosed cut-off walls insert into impermeable layer and enclosed cut-off walls insert into aquifer layer are...
Proceedings Article

Measurement and Study on Winter Indoor Thermal Environment of Civilian Dwelling in South Rural Areas of Shaanxi Province

Pengchen Liu, Guochen Sang, Qin Zhao, Yiyun Zhu
With the civilian dwelling in the rural areas of Hanzhong in the south of Shaanxi province as research subject, through the questionnaire and on-site measurement, the paper explores the situation of winter indoor thermal environment of local civilian dwelling as well as the measures for improvement....
Proceedings Article

Effects of Nitrogen Deposition on CH4 Uptake and CO2 Emission from a temperate forests in Northeastern China

Guoyong Yan, Yajuan Xing, Miao Wang, Jianyu Wang, Shijie Han, Qinggu Wang
Little is known about how N deposition affects greenhouse gas balances in different temporal patterns (daytime and nighttime),and few studies have been conducted to quantify the effects of N deposition on soil CH4 uptake and CO2 emission in a typical temperate forests. To investigate the effects of N...
Proceedings Article

Application of CFRP Suspenders for Through and Half-through Arch Bridges

Jing Gao, Bin Zhao
Through and half-through arch bridges are modern bridge types due to the development of steel as a building material, in which up to now the dead-load of the deck system and the live load are transferred to the arch rib by steel suspenders. However such suspenders are due to complex mechanical loading...
Proceedings Article

Investigation the speed-up effects of wind flow over typical terrains covered by vegetation

Chao Li, J.H. Wang
The wind characteristics of 6 typical hills (15°, 30°, 45° escarpments and ridges) covered by grass and forest vegetation were investigated by wind tunnel test. The velocity ratio distribution on the crest and downwind slope were obtained, and the effects of slopes, hill shapes and ground roughness...
Proceedings Article

Shear performance of RC beams with spatial distribution of bond deterioration in longitudinal tension bars

Xin Xue, Cheng Yang, Hanyin Zhang
This paper carried out an experimental investigation on the effects of spatial distribution of bond degradation on the load-carrying mechanism and failure mode of RC beams. Bond degradation was simulated using artificial method and shear performance was investigated through three-point loading tests....
Proceedings Article

Study on damage evolution characteristics of coal and rock uniaxial compression based on the acoustic emission

Shugang Li, Ning Wang, Tianjun Zhang
In order to obtain damage evolution characteristics of coal and rock under the compression, conduct uniaxial compression experiment for coal and rock with rigid loading experiment machine based on the acoustic emission. Gather the AE characteristic parameters in the process of coal and rock damage, use...
Proceedings Article

Analysis based on impacts for grid-connected photovoltaic power station on the distribution network

Jia Yuan, Xuyang Shi, Yujiang Wang, Huili Zheng, Feifei Jiang, Ruiyun Miao, Yini Zhang
Photovoltaic power generation, with the advantage of renewable energy and convenient installation, has been widely used in distributed generation in distribution network as the technology gradually developed. Grid-connected photovoltaic power generation station not only changes the structure single terminal...
Proceedings Article

Discussion of the City Sewage Conduit Construction

Yu Tang, Juanjuan Hu
The engineering quality is very important. With the development of economy and the project construction increasing, the appearance of jerry-built project causes significant financial losses for the country and imposes threats to the safety of life and property meanwhile quality engineering springs up,...
Proceedings Article

Big data research and application in oil pipeline inspection

Mujun Wan
Data mining is a process to find hidden useful information with potential value in huge amount of data. We present a new big data processing system with the data from Oil pipeline inspection. The data mainly get from all kinds of Radio frequency identification (RFID) chips. The system consists of data...
Proceedings Article

The Research on the Simulation about Heat Loss in a 220t/h Circulating Fluidized Bed Boiler

Huan Liu, Guoli Qi, Songsong Zhang, Zhongwei Wang, Jian Guan
A 220t/h circulating fluidized bed boiler is selected as a research object, the heat loss of the circulating fluidized bed boiler is studied by numerical simulation while the three major parts including the furnace body of the circulating fluidized bed boiler ,cyclone separator and rear smoke channel...
Proceedings Article

Raman and Mössbauer analysis of the intermediate products formed during gold-bearing pyrite biooxidation by moderately thermophilc bacteria

Chang-Li Liang, Wen-Qing Qin, Jing-He Chen, Shui-Ping Zhong, Hang-Qu Yang
In the present study, intermediate products formed during gold-bearing pyrite biooxidation by moderately thermophilc bacteria at 42℃ were studied by combined using XRD, Mössbauer and Raman spectroscopy. Biooxidation slowdown since 8th day showed that some intermediate products might hampered the further...
Proceedings Article

Numerical Simulation Research on Heat Charging Process of A New Type Thermal Energy Storage Equipment

Xiaolin Zhu, Zhifeng Wang, Shidong Li
In this paper, a 2D numerical simulation model was developed in FLUENT base on a new type thermal energy storage equipment. The results showed that the form of vertical pipes with nozzle holes can create fluid channels and a large number of vortices quickly, which improve the heat charging power, present...
Proceedings Article

Analysis of Vibration Characteristics for Overhead Transmission Line based on the Finite Model

Lijiang Fan, Guofeng Yang, Bin Xue, Jia Du, Shudong Li
Considering bending stiffness,an finite element model is proposed to overhead transmission based on Euler beam.In this model,the displacement of the unit beam is represented by assumed mode method,and derived the mass matrix and stiffness matrixof unit beam by using assumed mode method,secondly,deduced...
Proceedings Article

Leaching performance of low grade zinc oxide ore in the system of NH3- (NH4)2SO4-H2O

Kaiwei Song, Jingjie Yuan, Peilun Shen, Shoukai Yan, Fei Li, Dianwen Liu
Leaching test on the oxidized zinc ore from Kashi, Xinjiang Autonomous Region is studied in the (NH4)2SO4-NH3-H2O system; Systematic studies are made to show the effects of various factors on the leaching rate of zinc. The optimum conditions for leaching is finally confirmed, i.e., the grinding fineness...
Proceedings Article

Hydrolysis and oxidation on AC–Cu–CoSPc–Ce catalyst for removal of HCN

Xuli Jing, Xueqian Wang, Jinhuan Cheng, Shudi Yan, Yingjie Zhang
A series of catalysts were studied for removal efficiency of hydrogen cyanide (HCN) under micro-oxygen conditions. It was found that activated carbon modified by Cu, Ce, and cobalt sulfonated phthalocyanine (CoSPc) denoted as AC–Cu–CoSPc–Ce showed significantly enhanced catalysis ability. The influences...
Proceedings Article

Design of Bionic Bamboo Steel Bicycle

Tao Huang, Yanqin Gao, Maohuang Xu, Mingming Zhu
Bamboo steel is composed of recyclable sinocalamus affinis with rich resources in China, environmentally friendly phenolic resin and moisture. The high-performance multi-purpose bamboo-based fiber composite processed with multiple technologies does not require special care and maintenance in use. Based...
Proceedings Article

Removal of elemental mercury and divalent mercury with ammonium sulfide in smelting gas containing SO2

Xueqian Wang, Jianlin Xiong, Langlang Wang, Shudi Yan
A set of simulation equipment is set up after the conditions of removing SO2 and heavy metal Hg (Hg0 and Hg2+) has been investigated, the results of the removal technology method of absorption Hg0, Hg2+ in smelting gases containing SO2 with (NH4)2S is tested, and their composition of reaction products...
Proceedings Article

Advances in technology research of chemical approach to marine oil spill

Yunzhe Ji, Haomeng Xu, Xiaojie Wang
With the deepening of marine oil development and the rapid development of marine oil transport and oil industry, marine oil spills become common, causing serious environmental pollution and economic losses. Therefore, for the sudden oil spill incidents, the rapid and effective measures are able to reduce...
Proceedings Article

Removal of arsine by metal loaded γ-Al2O3 adsorbents

Shudi Yan, Xueqian Wang, Ziyan Li, Yilong Lin, Yingjie Zhang, Chen Cheng
The modified γ-Al2O3 adsorbents were prepared by impregnation method has been studied for arsine (AsH3) removal efficiency. The results show that γ-Al2O3 modified with Cu(CH3COO)2 (denoted as Cu/Al2O3) is found to have markedly enhanced adsorption purification ability. In the adsorption purification...
Proceedings Article

Uncertainty assessment of carbon dioxide concentration measurement with a cavity ring-down spectrometer

Xing Wang, Zeyi Zhou
Cavity ring-down (CRD) spectroscopy are attracting widespread interest in gas measurements, especially for gas metrology. However, there still needs more research about its metrological traceability to develop it as a primary method. We developed and assessed a high-sensitive cavity ring-down spectrometer...
Proceedings Article

Degradation of thiamethoxam wastewater using the gas diffusion electrode catalyst by LaNi1-xCoxO3

Shanping Li, Lijun Liu, Yahui Li
Cobalt doped at B site from LaNiO3 with catalyst perovskite structure was synthesized by sol-gal process of thermal decomposition citrates. The gas diffusion electrode was manufactured via a complex process chain of catalyst LaNi1-xCoxO3 (LNC, x=0, 0.2, 0.4, 0.8, 1.0), graphite, sodium sulfate, PTFE...
Proceedings Article

Research Progress of Denitrifying Dephosphatation in SBR System

Liang Shi, Liping Qiu, Shoubin Zhang, Jiabin Wang, Kang Xie
Recently, researches and applications of denitrifying and phosphorus accumulating organisms (DPAOs) in treating eutrophic water are becoming more and more extensive. Treatment technologies with DPAOs are SBR、A2O、AO、A/O/A etc. and they all have their own pros and cons, respectively. According to...
Proceedings Article

Progress and Prospect of Research on N2O Dynamics Model in Wastewater Biological Treatment Process

Yutian Liu, Shoubin Zhang, Liping Qiu, Yuanyuan Zhang
Nitrous oxide (N2O) is a kind of strong greenhouse gas, which can cause the composite pollution effect to the atmospheric environment. Wastewater biological treatment process is considered to be one of the important anthropogenic source of N2O. Therefore, the research on the generation of N2O in wastewater...
Proceedings Article

Harmfulness, Detection and Treatment of EDCs in Water Environment

Longlong Zhu, Liping Qiu, Lixin Zhang, Jiabin Wang, Kang Xie
Endocrine disrupting chemicals (EDCs) showed variety and widely distributed in the environment. The presence of EDCs was the most typical in water bodies. EDCs in water accumulated in human and other organism to a certain extent would harmfully interfere the normal functioning of the nervous system,...
Proceedings Article

Status of Slightly Polluted Raw Water Treatment in Chinese Rural Areas

Longlong Zhu, Liping Qiu, Lixin Zhang, Shoubin Zhang, Kang Xie
Water resources in Chinese rural areas were becoming precious because of the polluted water environment. In this paper, the status of rural areas in China has been reviewed. The typical pollutants in rural raw water bodies were different from urban raw water bodies. In rural water environment, organic...
Proceedings Article

Crystallization and phosphorus removal from anaerobic effluent in A/O alternant biofilters

Hongtao Cheng, Liping Qiu, Shoubin Zhang, Jiabin Wang, Kang Xie
In order to reveal the influence of reaction conditions on the phosphorus crystallization to recover phosphorus from wastewater with low P concentration, an alternate A/O biofiltration system for simulated domestic wastewater treatment was carried out and the effluent from anaerobic filter was considered...
Proceedings Article

Study of energy efficiency assessment technology of steam system in iron and steel enterprise

Jihui Chen, Tao Zhou, Maolin Dong
Steam system is one of the key aspects of energy saving and consumption reduction in iron and steel enterprise. On the basis of analysis the utilization status and utilization potential of steam system in iron and steel enterprises, this paper establishes a steam system energy utilizing efficiency assessment...
Proceedings Article

Phosphorus Recovery from Excess Sludge: Possibility and Future

Ming Gao, Liping Qiu, Kang Xie, Shoubin Zhang, Jiabin Wang
For the sake of the shortage of phosphorus resources and the present situation of municipal sludge treatment and disposal, the necessity of recovery of phosphorus from municipal sludge is analyzed, whereas the methods of phosphorus releasing from solid phase to liquid phase in sewage sludge, such as...
Proceedings Article

Enrichment of Denitrifying Phosphate-accumulating Organisms in Nitrogen and Phosphorus Removal Process

Zijin Qin, Liping Qiu, Shoubin Zhang, Jiabin Wang, Kang Xie
In this paper, a review on the mechanism of denitrifying phosphorus removal and the enrichment of denitrifying phosphorus-accumulating organisms in the process of nitrogen and phosphorus removal, such as A2/O and SBR, were presented, as well as the influence factors of enrichment were also carried out....
Proceedings Article

Recent development of scale marine aquaculture wastewater treatment

Panpan Liu, Liping Qiu, Shoubin Zhang, Jiabin Wang, Kang Xie
With the rapid development of China's large-scale mariculture, the emissions of mariculture wastewater are increasing, which had already exceeded land-based sewage, and becoming a serious marine environmental problem, therefore, the treatment and control of large-scale mariculture wastewater have been...
Proceedings Article

The Treatment Technology of Recycling Scrap Wire and Cable

Sa Xiao, Wei Xiong, Lijun Wang, Qiaolin Ren
With the development of modern industry and communications industry, a variety of metal wires are used more and more. At the same time, the number of cables required waste recycling is also increasing and the environment pollution has become more serious. Currently, cable for waste recycling technology...
Proceedings Article

Study Status and Prospect of N2O Production and Reduction Control in Wastewater Biological Denitrification

Yuanyuan Zhang, Shoubin Zhang, Liping Qiu, Yutian Liu
Nitrous oxide (N2O) is one kind of potent greenhouse gas which can destroy ozone layer and lead to acid rain. Furthermore, nitrous oxide is quite easy to be converted into the secondary particle pollutants which can aggravate haze in certain weather conditions. Effective control of N2O emission has...
Proceedings Article

Research Status and Prospect Of Micro-polluted Water Pretreatment With Biological Aerated Filter

Qianqian Song, Liping Qiu, Shoubin Zhang, Jiabin Wang, Kang Xie
Recently, with the rapid development of industry, the pollution of organic compounds and ammonia nitrogen is serious in source water. It is difficult to ensure the removal efficiency of ammonia nitrogen and organic compounds in effluent by conventional treatment technology. The article brings out the...
Proceedings Article

Research Progress of Nitrogen and Phosphorus Removal in Municipal Sewage

Liquan Lu, Liping Qiu, Shoubin Zhang, Jiabin Wang, Kang Xie
This paper reviews the status and progress of biological denitrification and phosphorus removal. The mechanism of denitrification and phosphorus removal is analyzed briefly, and the characteristic of some denitrification and phosphorus removal process is also compared. The new process and new technology...
Proceedings Article

Characteristics and index system construction of airport ecological community

Haohao Dong, Liangcai Cai, Zhi Wang, Bin Shao
Airport ecological community is a prospective subject of environmental protection, and is the development direction of airport building. But there is no universal set of formal evaluation system for airport ecological community. From the connotation of airport ecological community, this paper discusses...
Proceedings Article

Study on removal of typical pollutants in landfill leachate using two kinds of aquatic plant

Bo Ying, Hongbo Pan
In the static conditions, experiments were carried out to study the purification ability of Eichhornia crassipes and Pistia stratiotes from varying concentrations of landfill leachate. The results show that Eichhornia crassipes and Pistia stratiotes were poisoned to death completely in high concentration...
Proceedings Article

Leaching Mo and Ni by Direct Oxygen Pressure from Black Shale with any other only water

Zhi-Gan Deng, Chang Wei, Xing-Bin Li, Cun-Xiong Li, Gang Fan
The hydrometallurgical process of leaching molybdenum and nickel from black shale without reagent was investigated. The extraction of Mo and Ni from molybdenum-nickel ore by oxygen pressure leaching, which exploit the characteristic of molybdenum-nickel minerals contain high concentration amorphous sulfide...
Proceedings Article

Effect of ladle thermal state on the LF endpoint temperature of molten steel

Yifei Huang, Wei Xiong, Zhiyong Fan
Molten steel temperature is a key parameter related to LF refining, and it has an important influence on steel quality and casting. Aimed at a steel ladle with capacity of 300 tons, a heat transfer model was developed. Ladle wall and bottom lining temperature distribution curve was obtained. The factors...
Proceedings Article

Study on temperature drop of molten steel during converter tapping

Zhiyong Fan, Wei Xiong, Yifei Huang
Molten steel temperature in ladle after converter tapping has a strong effect on yield rate of alloy, dosage of deoxidizing agent and production efficiency. A mathematical model taking ladle thermal state into account was established for temperature prediction of molten steel during tapping and it was...
Proceedings Article

Study and Application status of Biomagnetic effect in Wastewater Treatment

Jiabin Wang, Lingli Zhu, Xing Li, Kang Xie
Compared with conventional activated sludge system, applied magnetic field or adding magnetic materials in activated sludge system exhibits a better performance of enzyme activity, sludge settling, microbial activity. It also shows an obvious influence on bacterial activity, dissolved oxygen and pollution...
Proceedings Article

Recent Advances of Anaerobic ammonium oxidation Technology

Jiabin Wang, Dong Zhang, Xing Li, Lingli Zhu, Kang Xie
Anammox process has been recently recognized as a promising technology for nitrogenous contaminants removal. of the anammox attracted more attention because of its lower sludge production and cost of without adding organic carbon source and aeration, In this study, the development of anammox, application...
Proceedings Article

A Study of the Effects of the Grassland Ecological Protection Subsidiary-Award Policy on China’s Grassland Ecology

Chun Yang, Ming-Li Wang, Zhi-Xing Meng, Xu-Dong Yang
The grassland ecological protection subsidiary-award policy is a new policy, with the largest scale and widest range in China since its foundation. This policy isalso expected to bethe most importantlong-termgrassland ecosystem protection policy and measurement. From a macroscopic perspective, the effects...
Proceedings Article

Experimental Study on the Dynamic Caustics of the Explosive Load Precrack Propagation Law

Zhengbin Yan, Jinjing Zuo, Yanbin Wang
By making use of the experimental system of explosive load digital laser dynamic caustics, it is to carry out dynamic crack analysis for the tip crack initiation and propagation process of precracks near the blast hole and study the directional crack controlled blastting mechanism, thus obtaining changes...
Proceedings Article

Modeling and Analysis of Vehicle with Wind-solar Photovoltaic Hybrid Generating System

Zhi-Jun Guo, Xiang-Yu Kang
Through the analysis of the key issues of Wind-solar photovoltaic hybrid generating system (WPGS) and electric system, this paper proposes a WPGS method applied to pure electric vehicles. Establish a mathematical model of WPGS in the Simulink environment, make simulation analysis on the vehicle based...
Proceedings Article

The effect of acid leaching conditions on enriching iron during comprehensive treatment of pyrite cinder

Jiawei Wang, Anjing Li, Haifeng Wang, Pingyuan Zhao
The effect of leaching conditions on the enriching iron was studied after pre-treatment of pyrite cinder. And the influence of acid leaching temperature, leaching time, pH value and the ratio of liquid to solid on enriching iron was done. The results show that, when the acid leaching temperature was...
Proceedings Article

The Research of Extracting Soluble Sylvite from Breeding Wastewater

Yu Guo
The experiment selected zeolite from ten absorption agent to adsorb potassium. Through the investigated of amount of zeolite, adsorption time and temperature, found the best parameters. When zeolite was used with 2g, adsorption time was 60min and temperature was 20℃,the extraction rate was 66.67%.The...
Proceedings Article

Prediction Separation Performance of Teetered Bed Separation for Coarse Coal Slime

Youliang Chen
The paper focuses on separating the coarse slime for the particle size ranging from 0.3 mm to 2 mm in the teetered bed separator. The product yield and ash are researched as well as the partition ratio. The result shows that R-Z model and Das model give prediction with worse precision,Asif model and...
Proceedings Article

Diversification Development and Utilization of New Energy in Rural Areas——Taking Qinhuangdao City of Hebei Province as an Example

Gouhui Li, Yang Song, Changyong Jing
Development and utilization of new energy is to optimize the energy structure, an important measure to improve the quality of the environment. Universal application of new energy technologies in rural was targeted in Qinhuangdao City of Hebei Province. The promotion of rural biogas digesters, solar and...
Proceedings Article

Synthesis of melamine-formaldehyde-resin microspheres hybridized with aluminum-hydroxide

Junfu Zhu, Shuzhen Wang, Zhixian Hao
A facile approach was introduced for the synthesis of hybrid-microspheres (MSs) of melamine formaldehyde resin (MF) and aluminum hydroxide (Al). Wherein, the uniform MF MSs were firstly prepared under acid conditions, and then hybridized with aluminum hydroxide under urea solution presence and decomposition...