Reversed Cyclic Tests of 1/13 Scale Cylindrical Concrete Containment Structures
Nuclear containment structure is one of the most important infrastructure systems ensuring the safety of a nuclear power plant. In this paper, the structural behavior of cylindrical concrete containment structure was investigated using two 1/13-scaled nuclear containment specimens subjected to reversed cyclic loadings. The presentation will first describe the experimental program, including the dimensions, the reinforcement detailing, the test setup, and the loading method. Second, the experimental results of the specimens are discussed including the cracking patterns, the total load versus displacement curves, and the failure modes. Third, the test results were compared to the analytical results predicted at the University of Houston using a 3D finite element program with the CSMM-based shell elements. The predicted results agree very well with the experimental data.
The facilities and technical support from the National Center for Research on Earthquake Engineering are gratefully acknowledged. Special thanks are due to Yi-Lung Mo and Hieu-Cong Luu for comments and suggestions during the preparation of the manuscript, and Kung-Juin Wang for his assistance in conducting the tests. All opinions expressed in this paper are solely those of the authors and do not necessarily represent the views of their affiliated institutions.
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