ULTIMATE BEARING CAPABILITY ANALYSIS OF CONTAINMENT STRUCTURES SUBJECTED TO INTERNAL PRESSURE

YANG Xinguang; LI Jiwa; XU Haixiang; LIU Kai; SONG Zhengfeng

doi:10.13204/j.gyjzG21102021

Volume 51 Issue 12

May 2022

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2021 > 51(12): 74-78

Wang Xin, Yang Shirong, Feng Yonggang. THE ON-SITE TEST OF PUMPING PRESSURE OF CONCRETE-FILLED STEEL TUBE PUMPING[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(12): 98-101. doi: 10.13204/j.gyjz200912024

Citation:

YANG Xinguang, LI Jiwa, XU Haixiang, LIU Kai, SONG Zhengfeng. ULTIMATE BEARING CAPABILITY ANALYSIS OF CONTAINMENT STRUCTURES SUBJECTED TO INTERNAL PRESSURE[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(12): 74-78. doi: 10.13204/j.gyjzG21102021

Wang Xin, Yang Shirong, Feng Yonggang. THE ON-SITE TEST OF PUMPING PRESSURE OF CONCRETE-FILLED STEEL TUBE PUMPING[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(12): 98-101. doi: 10.13204/j.gyjz200912024

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ULTIMATE BEARING CAPABILITY ANALYSIS OF CONTAINMENT STRUCTURES SUBJECTED TO INTERNAL PRESSURE

doi: 10.13204/j.gyjzG21102021

1. Central Research Institute of Building and Construction Co., Ltd., MCC Group, Beijing 100088, China;
2. Inspection and Certification Co., Ltd., MCC Group, Beijing 100088, China

Received Date: 2021-10-20
Available Online: 2022-05-27

Abstract

Abstract

The failure mechanics of containment subjected to internal pressure were studied, and the functional and structural failure criteria were determined. Then, based on the concrete damage model, the nonlinear finite element analysis of the HPR1000 containment was carried out in order to research the failure process and determine the ultimate bearing capability of the containment subjected to internal pressure. The results showed that the damage and cracking first occurred near the equipment hatch when the inner pressure was increased to 2.5 times of the design pressure, indicating that the containment entered the plastic state. When the inner pressure was increased to 2.713 times of the design pressure, the steel lining began to be teared,which indicated that the containment reached the functional failure limit state. When the inner pressure was increased to 2.857 times of the design pressure, the concrete near the equipment hatch was damaged severely, and the failure occurred because of the considerable local displacement. It was illustrated that the containment reached the structural failure limit state.
- nuclear containment,
- ultimate bearing capacity,
- inner pressure,
- finite element simulation

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References(13)

References

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