A Study on Structural Safety of Concrete Arch Dams During Construction and Operation Phases

被引：17
作者：
Alembagheri, Mohammad [1 ]
机构：
[1] Tarbiat Modares Univ, Fac Civil & Environm Engn, Dept Civil & Environm Engn, Tehran, Iran
来源：
GEOTECHNICAL AND GEOLOGICAL ENGINEERING | 2019年 / 37卷 / 02期
关键词：
Concrete arch dams; Safety evaluation; Stage-construction; Post-cooling; Contraction and peripheral joints; Inhomogeneous foundation; SEISMIC RESPONSE ANALYSIS; GRAVITY DAM; FOUNDATION SYSTEMS; STRESS-ANALYSIS; TEMPERATURE;
D O I：
10.1007/s10706-018-0628-2
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
A methodology is proposed for static safety evaluation of concrete arch dams during their construction and operation phases. It includes foundation modeling, stage-construction process, thermal post-cooling analysis, realistic behavior of contraction and peripheral joints, reservoir filling, and operational thermal loading. The structural stability and safety is assessed using safety indices. The proposed methodology is applied to a typical concrete arch dam. The dam is three-dimensionally modeled along with its foundation using finite element method. Different foundation properties are investigated in homogeneous and inhomogeneous conditions including distinct soft rock layers. The stability and safety of the dam-foundation system is evaluated through some analysis cases, which show the importance of various features presented in the model.
引用
收藏
页码：571 / 591
页数：21
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