国内外核电厂抗震设计规范比较研究

发布时间：2018-04-16 04:33

本文选题：核电厂抗震设计规范 + 液固耦合　；参考：《中国地震局工程力学研究所》2014年硕士论文

【摘要】：2011年，日本3·11大地震引发的福岛第一核电站核泄漏事故给全世界核电的发展带来深刻影响。自2011年2月，我国开始对现行的核电厂抗震设计规范GB60267-97进行修订，于2012年11月审查并通过修订送审稿。鉴于中国核电厂抗震设计规范(GB60267-97)2012修订稿尚未实施，结合目前中国国内在核电厂抗震设计及建造过程中所遵循的规范标准不一的情况，本文对国内外不同版本的核电厂抗震设计规范进行了比较研究。首先，对中国核电厂抗震设计规范GB50267-97与2012修订送审稿之间的差异进行比较，，研究修订送审稿中的新变化是很有必要的；其次，对我国目前主要使用和借鉴的国外规范间的异同进行比较研究，本文选取了中国、美国、法国三国核电厂抗震设计规范，这将有助于扩大国内规范的兼容性，吸收国外抗震设计的优点；第三，本文以某代核电厂安全壳屏蔽厂房PCS重力排水水箱的抗震设计为例，按照不同核电厂抗震设计规范要求对其抗震性能进行了分析。本文对不同规范的比较研究目的是，发现不同规范之间的共性与差异，并将这些差异与我国核电抗震设计的实际相结合进行说明，希望通过本文的研究工作，可以为我国核电厂抗震设计规范的修订提供可行的建议。论文主要完成了以下工作： (1)本文首先对中国核电厂抗震设计规范GB50267-97与2012修订送审稿进行了全面的比较。主要在核电厂抗震设计适用范围、抗震设防目标、抗震物项分类和设防水准、核电厂的概念设计、抗震设计计算模型、地震作用计算方法、抗震设计反应谱等方面，对差异性进行了研究，这几个方面也是两版规范条文之间差异较大的部分。2012修订送审稿既吸纳了近年来抗震设计的先进理论和实践，又延续了原规范的设计思路，符合我国核电事业的发展。 (2)对中国、美国、法国三国相关核电厂抗震设计规范内容进行了比较。比较方法与国内规范间的比较相似。通过比较发现三国规范在抗震设计基本思路具有共性，但在规范条文某些细节要求又有差异，既结合了本国核电技术的特点，又符合目前国际核电规范的设计准则。 (3)对某代核电厂安全壳屏蔽厂房PCS重力排水水箱的抗震设计进行了初步的研究。在研究过程中，运用耦合欧拉—拉格朗日技术CEL对PCS重力排水水箱的流固耦合作用进行了数值模拟，研究了地震作用下由于液体晃动对安全壳屏蔽厂房抗震性能的影响，并与核电厂抗震设计规范对贮液容器抗震设计的规范要求进行了比较。
[Abstract]:In 2011, the Fukushima Daiichi nuclear accident triggered by Japan's 3.11 earthquake had a profound impact on the development of nuclear power around the world.Since February 2011, the current code for seismic design of nuclear power plants (GB60267-97) has been revised in China.In view of the fact that the revised GB60267-97 / 2012 code for seismic design of nuclear power plants in China has not yet been implemented, and in the light of the fact that there are different standards for the seismic design and construction of nuclear power plants in China at present,In this paper, different versions of codes for seismic design of nuclear power plants at home and abroad are compared and studied.Firstly, by comparing the differences between GB50267-97 and 2012 revised draft for seismic design of Chinese nuclear power plants, it is necessary to study the new changes in the revised draft.Comparing and studying the similarities and differences among the foreign codes which are mainly used and used for reference in our country, this paper selects the seismic design codes of nuclear power plants in China, the United States and France, which will help to expand the compatibility of domestic codes.The advantages of seismic design in foreign countries are absorbed. Thirdly, the seismic performance of PCS gravity drainage tank of a kind of nuclear power plant containment shielding plant is analyzed according to the requirements of different codes for seismic design of nuclear power plants.The purpose of this paper is to find out the commonness and difference between different codes, and to combine these differences with the practice of seismic design of nuclear power in China.It can provide feasible suggestions for the revision of the code for seismic design of nuclear power plants in China.The main work of the thesis is as follows:In this paper, a comprehensive comparison between GB50267-97 and 2012 revised draft for seismic design of nuclear power plants is made.Mainly in the application scope of seismic design of nuclear power plant, seismic fortification target, classification and level of seismic items, concept design of nuclear power plant, seismic design calculation model, seismic action calculation method, seismic design response spectrum, etc.The differences have been studied. These aspects are also the parts of great difference between the two versions of the code. The revised draft of 2012 not only absorbs the advanced theory and practice of seismic design in recent years, but also continues the design ideas of the original code.In line with the development of nuclear power industry in China.The contents of the code for seismic design of nuclear power plants in China, the United States and France are compared.The comparison method is similar to the comparison between domestic norms.Through comparison, it is found that the basic ideas of seismic design of the codes of the three countries are common, but there are differences in some details of the specifications, which not only combines the characteristics of nuclear power technology in our country, but also accords with the design standards of the current international nuclear power codes.The seismic design of PCS gravity drainage tank in containment shielding plant of a nuclear power plant is studied preliminarily.In the course of the study, the coupled Euler-Lagrangian technique (CEL) is used to simulate the fluid-solid coupling effect of the PCS gravity drainage tank, and the effect of liquid sloshing on the seismic behavior of the containment shielded powerhouse under earthquake is studied.The requirements for seismic design of liquid storage vessels are compared with the code for seismic design of nuclear power plants.
【学位授予单位】：中国地震局工程力学研究所
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TU352.11

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