All of the articles in this proceedings volume have been presented at the 6th International Conference on Civil Engineering, Environment Resources and Energy Materials (CCESEM 2024) during October 18-20, 2024 in Guangzhou, China. These articles have been peer reviewed by the members of the Scientific...

As one of the main forming processes in Additive Manufacturing (AM), FDM (Fused Deposition Modeling) has the advantages of low cost, fast speed, no need for molds during forming, high forming flexibility, and can quickly adapt to customized market demands. Therefore, it has received increasing attention...

Using the ReaxFF molecular dynamics method, we investigated the pyrolysis mechanisms of n-decane and its isomer (2-methyl-nonane) to assess how isomerization affects initial pyrolysis pathways and main product formation in straight-chain alkanes. The results indicate that at high temperatures, the initial...

In the development of China’s industrial economy, science and technology industrial parks have an increasingly important position and role, but the carbon emissions of industry and related equipment in the park cannot be ignored. It is necessary to analyze and evaluate the carbon emissions of the park...

To accurately detect the position of the paper insulating component inside the UHV (ultra-high voltage) transformers and prevent the discharge fault, the research on ultrasonic phased array three-dimensional imaging detection technology of the insulating cardboard position was carried out. Firstly, a...

In the construction of hydroelectric dams, the efficiency of concrete transportation directly impacts the quality and timeline of the dam. Currently, concrete transportation scheduling still heavily relies on manual coordination, which makes it difficult to truly obtain the actual efficiency of the transportation...

Based on the disadvantages of the odine adsorber currently used, compare the performance differences between traditional granular activated carbon and new activated carbon fibers in adsorbing radioactive gaseous iodine. And explore the modification methods of new impregnated activated carbon fiber materials...

Carbon 14 (C-14) is one of the most important radionuclides in radioactive gaseous effluents from nuclear power plants. The C-14 emissions of nuclear power plants at home and abroad are statistically analyzed based on the operation data traditionally. In the paper, the generation mechanism of C-14 from...

The tensile strength of frozen soil is affected by many factors such as temperature, particle size distribution, and moisture content, among which temperature is the primary influencing factor. Temperature affects it mainly by affecting the ice and unfrozen water in the frozen soil. By summarizing the...

Scholars in the electrical field hope to use catalysts to improve the curing system of acid anhydride epoxy insulating materials, so as to solve the problem that a large number of waste insulating materials can not be effectively recycled. One of the most important research directions is to select a...

In this paper, an autoregressive integral sliding average model (ARIMA) and generalized regression neural network (GRNN) coupled high slope deformation prediction model is proposed, which mainly utilizes the long-term trend fitting ability of the ARIMA model and the short-term data prediction ability...

This paper studies the heavy medium coal separation model, analyzes the heavy medium separation experiment, fits the distribution curve, and examines the coal separation effect. Through research, it can be seen that the coal preparation accuracy Ep value gradually decreases with the increase of particle...

Owing to the advantages of lightweight, high-efficiency pre-stress, crack-resisting, corrugated steel web trough girders (CSWTGs) gain wide applications in rail transit viaduct structures. Viewing the inevitable torque caused by vehicle sway, wind loads, and curved alignments, and the limited research...

TiO2, known for its low cost and natural abundance, is a prominent semiconductor utilized in photocatalysis and solar energy storage applications. However, the substantial energy gap of 3.2 eV restricts its capacity to absorb sunlight. Hydrogenation, by introducing an amorphous layer, enhances the capture...

Bearing capacity of anchor cables are influenced by numerous factors, with the proportion of fixed anchor length playing a critical role in both bearing performance and construction cost. However, previous studies have often overlooked the significance of this parameter. In this paper, numerical simulations...

Cracking occurred on the aluminum alloy sealing cover of a transformer in a 220kV substation after three years of operation. To investigate the cause, a systematic analysis was conducted on its chemical composition, macroscopic appearance, and microscopic morphology. The results revealed that the sealing...

Purple soil is a crucial resource for agricultural development in Southwest China. Using the national background values for purple soil, coupled with the potential ecological risk index and IsoSource software, the potential ecological risks and Pb stable isotope characteristics of eight heavy metals...

This study aimed to investigate the effects of various exogenous additives on crop salt tolerance, utilizing sorghum and wheat as model plants. We measured soluble protein content, malondialdehyde (MDA) content, and peroxidase (POD) activity to elucidate the response characteristics of these crops to...

There is a low grade lithium in a sedimentary clay-type lithium resource in central Yunnan, which has certain utilization value. In this paper, mineral liberation analyser was used to conduct process mineralogy research on the mineral, and the results show that the main minerals are kaolinite, illite,...

Urbanization’s swift progress has heightened the need for underground space development, necessitating advanced support systems like extra-long pipe-shed technology to ensure safety and stability in challenging geological conditions during tunnel construction. This paper investigates the influencing...

As an advanced construction technology, 3D printed concrete (3DPC) currently faces challenges such as high cement consumption and stringent aggregate quality requirements. Using recycled aggregates (RA) from crushed and screened waste concrete to produce recycled 3DPC can help government manage significant...

Highway engineering projects face a complex financing risk environment due to their large construction scale, long financing cycle, and numerous influencing factors. This article takes PPP+EPC mode engineering projects as the research object, based on grounded theory and literature analysis method, a...

In view of the problems of large heat consumption and low heat utilization rate in SAGD (Steam Assisted Gravity Drainage) development in mid-deep super-heavy oil reservoirs, the causes and influencing factors of heat loss in each phase of SAGD development were analyzed by referring to the actual production...

As the challenges associated with developing carbonate reservoirs intensify, acidized fracturing has emerged as a crucial method for facilitating the efficient extraction of oil and gas. Slickwater fracturing fluid is the most commonly utilized among these options. Nevertheless, its drag reduction capabilities...

Analyzing the nanopore structure of organic matter-rich shale is the basis for evaluating shale reservoir properties and the potential for shale gas resource exploration and development. In this paper, we evaluate the pore characteristics and connectivity of the shale of the Lower Paleozoic Ordovician...

It is of great significance to further investigate the pyrolysis reaction mechanism of heavy oil at various temperatures by simulating the organic model molecular pyrolysis reaction network during heavy oil development. This article employs molecular dynamics simulation methods to examine the high-temperature...

Based on petrographic research, organic geochemistry and elemental geochemistry are applied to analyze the sedimentary environment of the Ordovician Wulalike Formation in the Ordos Basin, and explore its impact on organic matter enrichment. The research results indicate that the shale of the Wulalike...

Under the “dual-carbon” background, this paper explores the development of low-carbon emission reduction in the construction industry. Firstly, it analyses the current status of research at home and abroad, covering the calculation method of building carbon emissions and influencing factors, pointing...

This review summarizes the effects of polymer-modified interfacial agents on the bonding performance between new and old concrete layers. It discusses the advantages and disadvantages of various polymers used in interfacial agents from a materials perspective and elucidates the mechanisms by which polymers...

Currently, research on the key technologies and development trends of expressway traffic and energy integration is insufficient. This paper, through the “Research and Engineering Demonstration of Key Technologies for Comprehensive Traffic and Energy Integration” major scientific and technological project,...

It is common for cement pastes to require high early strength when cementing in unusual locations, such as deepwater, ultra-deepwater, or cold polar seas. While prior research indicates that lithium salts may substantially enhance the early strength of cement pastes, the effect of TSL on the hydration...

Seismic activity and stress concentration in soil cavities are prone to induce landslides, resulting in surges and overflows that reduce the stability of dam structures, thereby posing a threat to the safety of downstream areas. To analyze the stability of slopes under different water storage conditions...

Seismic forces significantly compromise the stability of subterranean caverns. This study focuses on the seismic support design process by using the Jiazhaerjia Cave as a case study. Initially, Prandtl's theory was employed to compute the design loads. Subsequently, optimal support mechanisms were...

Propylene is an important industrial basic material, and propane dehydrogenation is an important industrial process for producing propylene. Compared with the current industrial process of direct dehydrogenation of propane. Oxidative dehydrogenation can generate heat for the reaction through direct oxidation...

Radioactive particles usually have a positive charge, while the surface of activated carbon has a negative charge, the activated carbon has an adsorption effect on the radioactive particles. The radioactive particles are adsorbed in the pores and surface of the activated carbon, and will be removed from...

An oilfield is a key overseas oil and gas production project of PetroChina, located in a rainforest environment. The oilfield is developed using cluster wells, and the problem of wellbore anti-collision is prominent. During the drilling process, the mud shale section is long and the clay mineral content...

Ultimate recovery efficiency is the recovery efficiency of gas reservoir with perfect well pattern. It is of great significance to evaluate the ultimate recovery efficiency of gas reservoir and to determine the tapping potential of gas reservoir. At present, there are few researches on ultimate recovery...

Turpan-Hami Basin contains abundant coal resources and is an important part of large coal base in Xinjiang. In this study, the 4–2 coal seam of the Badaowan Formation in the Lower Jurassic in the Panji Coal Mine in the Turpan-Hami Basin is selected as the research object. Through systematic analysis...

The investigation and evaluation of groundwater pollution in chemical contaminated sites is an important part of site pollution investigation and remediation. This paper takes a chemical contaminated site in Jingzhou City as the research object, through carrying out sample collection and soil column...

The development of industry and agriculture has led to increasingly serious eutrophication of water bodies, and the study of methods for the effective treatment of wastewater is of great significance. This study was conducted to investigate wastewater treatment using Chlorella pyrenoidosa, Bacillus licheniformis,...

Floating rock pile belongs to a special geological type, body stability of tunnel hole had a serious impact, based on the Wolong groove of a tunnel, drift rock pile in high altitude cold and arid regions of engineering characteristics were analyzed, and put forward using advanced and long pipe roof construction...

Substation noise disturbs residents despite satisfying emission standards because the impact of its low-frequency components is underestimated by the commonly used A-weighted equivalent continuous sound pressure level (LAeq). To optimize the control indicators and emission limits of substation noise,...

In order to explore the difference in the performance of recycled aggregate produced by different strength of parent concrete, six groups of test blocks with different compressive strength were used as parent concrete to prepare recycled aggregate, and relevant experimental analysis was carried out....

Light hydrocarbons of C4 are very important raw materials in chemical production. However, due to the close physical properties between C4 light hydrocarbons, it is difficult to completely separate them. The covalent organic framework (COF) used for adsorption and separation of C4 is an alternative to...

Due to offshore and land salinization, salinized strata exist in the lower reaches of the Yellow River to varying degrees. The salt in the saline strata is slowly released to the overlying freshwater layer under natural conditions, and its salt release pattern is still unclear. In this paper, an indoor...

Soil salinization in coastal areas is closely related to the capillary rise of groundwater. However, the water-salt distribution pattern due to capillary rise in soils with different salinization types is not clear. Through indoor soil column experiments, the capillary rise process in typical coastal...

The waste cooking oil and waste engine oil were combined with waste tire rubber and subjected to pyrolysis to produce the regenerant. The Soluble fractions were separated and characterized through Soxhlet extraction. The self-healing properties of the asphalt were analyzed using a dynamic shear rheometer....

Per- and polyfluoroalkyl substances (PFAS) are widely present in soil and groundwater environments. PFAS precursors serve as the primary indirect sources contributing to widespread PFAS contamination. The migration process of PFAS precursors often involves their transformation into more stable PFAS compounds,...

In the construction industry, increasing demands for enhanced material performance have driven the adoption of composite materials in wall panel systems. This study investigates the development of integrated wall panels using glass fiber reinforced plastic (GFRP) and carbon fiber reinforced plastic (CFRP),...

Huge gas hydrate reserves exist worldwide, and over 90% of them occur in fine-grained reservoirs with poor permeability, such as the hydrate reservoir in the South China Sea (SCS). This type of hydrate reservoir is characterized by non-diagenesis and weak cementation, and hydrate exploitation is prone...

As a key component of industrial robots, the performance stability of the rotary vector (RV) reducer is critical for operational efficiency and reliability. In variable operating environments, RV reducers often encounter challenges such as speed changes and load fluctuations, which can lead to internal...

In the field of civil engineering, with the rapid development of global climate change and industrialization, the durability of building materials has presented unprecedented challenges. For this challenge, this paper innovatively studies the durability of ultra-high performance concrete (UHPC) in extreme...

Iron ore is an important strategic import resource in China. Australia is the largest source of iron ore in China, with over 700 million tons of iron ore imported annually. With the increase of imports, the water content of iron ore from Australia is abnormal, generally about 8%, but in recent years,...

This paper introduces the research on intelligent decision-making technology for coal sorting system. In order to solve the problems of high dependence on manual experience, insufficient automation level, and lack of unified data management platform in the production process of Xiaojihan Coal Mine Coal...

Policies to reduce carbon emissions in the transport sector are crucial in influencing the public's choice of environmentally friendly travel modes. This paper uses road travel data in Beijing and employs agent-based modelling to analyze and predict the effects of different carbon emission reduction...

This study focuses on the impacts of flash floods on transportation lines, fully considers the correlation between the natural environmental system and the system of the railroad line itself on the impacts of line floods, and evaluates the flood riskiness of the Lanzhou-Xinjiang Railway in the diffuse...