RESEARCH ON PROTECTIVE DESIGN OF NUCLEAR ISLAND BUILDING UNDER IMPACT LOAD

JIA Jianying; DAI Weiying; LAN Xiaoming; FU Yu

doi:10.13204/j.gyjzG21102014

Volume 51 Issue 12

May 2022

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JIA Jianying, DAI Weiying, LAN Xiaoming, FU Yu. RESEARCH ON PROTECTIVE DESIGN OF NUCLEAR ISLAND BUILDING UNDER IMPACT LOAD[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(12): 13-18. doi: 10.13204/j.gyjzG21102014

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JIA Jianying, DAI Weiying, LAN Xiaoming, FU Yu. RESEARCH ON PROTECTIVE DESIGN OF NUCLEAR ISLAND BUILDING UNDER IMPACT LOAD[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(12): 13-18. doi: 10.13204/j.gyjzG21102014

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RESEARCH ON PROTECTIVE DESIGN OF NUCLEAR ISLAND BUILDING UNDER IMPACT LOAD

doi: 10.13204/j.gyjzG21102014

China Nuclear Power Engineering Company Ltd., Shenzhen 518000, China

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

Abstract

Abstract

Based on the engineering practice of nuclear island building structural design, the paper studied the failure modes of concrete barrier as well as the structural design method under impact load. Various failure modes for reinforced concrete were introduced under the impact load. In addition, the empirical formulation and typical calculation example recommended by the civil engineering design codes for nuclear power plants at home and abroad were presented to evaluate the local effect for the concrete. Aiming at the analysis of the overall effect of reinforced concrete walls and slabs under impact load, the paper introduced the concentrated mass model for single degree freedom system commonly used in engineering practice, which is simple and mature. For the concrete barrier structure with large load and complex support relation, the elasto-plastic time-history analysis could be used to study the bearing capacity and failure mode of the concrete barrier structure more accurately. Finally, the process and method of numerical simulation analysis were introduced with the example of drop analysis for the head assembly of the pressure vessel in the reactor building.
- nuclear island building,
- concrete structures,
- impact load,
- overall effect,
- local effect

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References(7)

References

[1]	国家能源局.核电厂厂房设计荷载规范:NB/T 20105-2019[S].北京:中国原子能出版社, 2019.
[2]	国家能源局.压水堆核电厂核安全相关混凝土结构设计规范:NB/T 20012-2019[S].北京:中国原子能出版社, 2019.
[3]	国家核安全局.核动力厂设计安全规定:HAF 102-2016[S].
[4]	ACI Committee.Code Requirements for Nuclear Safety-Related Concrete Structures and Commentary:ACI 349-13[S].ACI Committee 349, 2014.
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