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（中國(guó)核電工程有限公司， 北京 100840）

［摘要］采用安全殼內(nèi)置換料水箱（IRWST）是中核集團(tuán)“華龍一號(hào)”主要技術(shù)改進(jìn)項(xiàng)之一。安全殼內(nèi)置換料水箱布置在內(nèi)部結(jié)構(gòu)廠房基礎(chǔ)底板之上，引起了反應(yīng)堆廠房?jī)?nèi)部結(jié)構(gòu)整體穩(wěn)定、抗滑移、溫度作用、結(jié)構(gòu)整體分析、流固耦合、施工階段驗(yàn)算等方面的變化，針對(duì)上述問(wèn)題進(jìn)行研究，同時(shí)對(duì)所采取的計(jì)算分析方法進(jìn)行探討，并將該成果應(yīng)用到了“華龍一號(hào)”的工程實(shí)踐中，目前福清5/6號(hào)機(jī)組內(nèi)置換料水箱土建施工已經(jīng)完成，研究成果得到了很好的驗(yàn)證，具有一定工程價(jià)值。

［關(guān)鍵詞］華龍一號(hào)； 安全殼內(nèi)置換料水箱； 流固耦合； 溫度作用； HPR1000堆型

中圖分類號(hào)：TU375文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2018)16-0087-04

Structure design of the in-containment refueling water storage tank of a  nuclear  power plant

Liu Yulin, Sun Xiaoying, Wu Xiting

(China Nuclear Power Engineering Co.,  Ltd.,  Beijing 100840, China)

Abstract:The use of in-containment refueling water storage tank (IRWST) is one of the key technical improvements of “Hualong One” by China National Nuclear Corporation.  It is arranged on the foundation slab of the internal structures, which changes the overall stability, anti-sliding, temperature effect, structure analysis, fluid-structure interaction and construction phase checking of the reactor buildings. The problems mentioned above were analyzed and the calculating methods were discussed, and the results was applied in the “Hualong One” project. The construction of IRWST in the Fuqing 5/6 unit has been finished. The research results have been well verified and have engineering values.

Keywords:Hualong One; in-containment refueling water storage tank(IRWST); fluid-structure interaction(FSI); temperature effect; HPR1000

作者簡(jiǎn)介：劉玉林，碩士，高級(jí)工程師，Email：rauloven@163.com。