Safety evaluation with observational data and numerical analysis of Langyashan reinforced concrete face rockfill dam

2020 ◽  
Vol 79 (7) ◽  
pp. 3497-3515
Author(s):  
Xiangnan Qin ◽  
Chongshi Gu ◽  
Chenfei Shao ◽  
Yue Chen ◽  
Luis Vallejo ◽  
...  
Keyword(s):  
Reinforced Concrete ◽  
Numerical Analysis ◽  
Observational Data ◽  
Safety Evaluation ◽  
Rockfill Dam ◽  
Concrete Face ◽  
Concrete Face Rockfill Dam

Monitoring and numerical analysis of behaviour of Miaojiaba concrete-face rockfill dam built on river gravel foundation in China

2017 ◽  
Vol 85 ◽  
pp. 230-248 ◽  
Author(s):  
Lifeng Wen ◽  
Junrui Chai ◽  
Zengguang Xu ◽  
Yuan Qin ◽  
Yanlong Li
Keyword(s):  
Numerical Analysis ◽  
Rockfill Dam ◽  
Concrete Face ◽  
Concrete Face Rockfill Dam

Simulative Analysis for Reinforced Concrete Face Rockfill Dam of Qianqiao Reservoir

2011 ◽  
Vol 295-297 ◽  
pp. 2413-2416
Author(s):  
Dong Yu Ji ◽  
Wen Liang Ma
Keyword(s):  
Finite Element ◽  
Reinforced Concrete ◽  
Construction Process ◽  
Operational Process ◽  
Rockfill Dam ◽  
Concrete Face ◽  
Concrete Face Rockfill Dam

In this paper, finite element simulative analysis is proceeded for reinforced concrete face rockfill dam of Qianqiao reservoir. Deducing variation law of the dam’s stress and displacement in construction process and operational process. The analytic results are shown：reinforced concrete face rockfill dam of Qianqiao reservoir is reasonable structure, and every index meets the requirements for design.

DISLOCATION OF FACE-SLABS OF ZIPINGPU CONCRETE FACE ROCKFILL DAM DURING WENCHUAN EARTHQUAKE

2012 ◽  
Vol 06 (02) ◽  
pp. 1250007 ◽  
Author(s):  
DEGAO ZOU ◽  
YANG ZHOU ◽  
HOE I. LING ◽  
XIANJING KONG ◽  
BIN XU
Keyword(s):  
Wenchuan Earthquake ◽  
Limit Equilibrium ◽  
Failure Surface ◽  
Ground Acceleration ◽  
Factors Affecting ◽  
2008 Wenchuan Earthquake ◽  
Rockfill Dam ◽  
Concrete Face ◽  
Concrete Face Rockfill Dam ◽  
Water Elevation

Zipingpu concrete face rockfill dam (CFRD) is one of the tallest dams that have ever been subjected to strong earthquake shaking and recorded damages. In this paper, finite element method and limit equilibrium method are used to determine the most critical failure surface for Zipingpu CFRD during the 2008 Wenchuan earthquake in China. The dislocation damage of the face-slab joint was then obtained from the sliding block analysis. The major factors affecting dislocation displacement of face-slabs were analyzed. The results showed that the rigid sliding block method is relevant for analyzing the damage of face-slabs of CFRD during earthquake. The peak ground acceleration had a significant influence on the dislocation. As the acceleration of the dam increases with the height while the strength of face-slab joints reduces, the dislocation could easily occur when the upstream slope of the dam started to slide. The water elevation had considerable impact on the dislocation of face-slabs during strong shaking. There might be no dislocation of face-slabs at full reservoir, and the water elevation just above construction joints would induce larger damage.

Sign in / Sign up

Export Citation Format

Share Document