Proceedings of the 2015 International Conference on Management, Education, Information and Control

Analysis of Time-dependent Reliability of Concrete Gravity Dam Damage Based on Gray Theory

Authors
Fanghua Liu, Hezhi Li
Corresponding Author
Fanghua Liu
Available Online June 2015.
DOI
https://doi.org/10.2991/meici-15.2015.157How to use a DOI?
Keywords
Time-dependent Reliability; Gray Theory; Concrete Damage; Concrete Gravity Dam
Abstract
This paper applies the reliability theory, carries out time-dependent reliability over concrete gravity dam based on gray theory and damage theory, and applies the theory to practical engineering. Specific work are: 1. Apply the gray theory, build the GM model to analyze, supplement and predict the change and development laws of gravity dam random variables, and apply to structural reliability analysis for analysis of time-dependent reliability over the structure. 2. Adopt the damage mechanics theory, introduce the damage variable, build a new function based on four-parameter concrete model, reflect the concrete structure and the damage change features during the use, and thus analyze the structural time-dependent reliability at each period of time. 3. Carry out Taylor expansion to quadratic nonlinear term over the structural functional equation, combine with the engineering application principle, and obtain a feasible reliability utility computing method. This method does not need iteration, so it has greatly reduced the amount of computation, and has higher accuracy than the traditional first-order second-moment method.
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Proceedings
2015 International Conference on Management, Education, Information and Control
Part of series
Advances in Intelligent Systems Research
Publication Date
June 2015
ISBN
978-94-62520-85-1
ISSN
1951-6851
DOI
https://doi.org/10.2991/meici-15.2015.157How to use a DOI?
Open Access
This is an open access article distributed under the CC BY-NC license.

Cite this article

TY  - CONF
AU  - Fanghua Liu
AU  - Hezhi Li
PY  - 2015/06
DA  - 2015/06
TI  - Analysis of Time-dependent Reliability of Concrete Gravity Dam Damage Based on Gray Theory
BT  - 2015 International Conference on Management, Education, Information and Control
PB  - Atlantis Press
SP  - 894
EP  - 900
SN  - 1951-6851
UR  - https://doi.org/10.2991/meici-15.2015.157
DO  - https://doi.org/10.2991/meici-15.2015.157
ID  - Liu2015/06
ER  -