【摘要】：隨著大跨度的重型鋼結構的發展,在核電站設計和建造中也得到了較大的運用,且核電站中的重型鋼結構一般形態各異,不屬于標準的民用鋼結構類型,所以按照一般民用鋼結構施工的方法和質量管理要求,將難以達到核電質保等級的要求,出于對核安全的考慮,研究出一套重型鋼結構在核電站設計和建造中的施工質量管理方法將是一個重要而現實的課題。在核電鋼結構工程的制造、安裝過程中,由于人員資質和技能、原材料、施工技術方案等因素的影響,不免出現各種質量問題,為了減少和提前發現并解決這些頻發的質量問題,更加迫切需要研究一套適用于核電站的重型鋼結構制造安裝的質量管理方法來指導生產建設。通過海陽核電2#機組鋼制穹頂結構的建造施工過程,來研究和探討核電站大跨度重型鋼結構質量管理方法,首先介紹了國內外的研究現狀和核電鋼結構工程的施工質量管理的要點和難點,并對難點進行了分析和總結。接著剖析了質量管理活動中常見的問題,并利用專家打分法對問題進行了分類和總結,歸納出質量管理問題的特征,后期結合質量管理問題的分類進行逐一解決處理。其次,結合4M1E的質量管理方法和核電現場管理的要求,利用分層法分析出常見質量問題的原因,以穹頂結構工程施工的質量管理全過程為實例,論文整體按照施工前期準備,施工實施過程,施工完工驗收三個階段的工作要點進行論述,明確了穹頂工程質量管理的方法,并針對常見的質量問題,在質量管理方法中加以說明,使質量管理方法不但能夠有效的解決發生的質量問題,更能提前預防容易發生的質量問題。最后,闡述了穹頂工程的施工質量管理的實施保障措施。主要通過對組織體系和制度,質保程序、職責分工、人員授權管理的明確和細化,對質量管理過程中的重點和難點的實施提出了一些明確的措施,使質量管理的措施更為有效和順利地實施。研究成果對核電站的大跨度重型鋼結構工程的施工質量管理具有重要的指導作用,對國內其他核電同類工程的施工品質管理具有一定的借鑒價值。
[Abstract]:With the development of the large-span heavy steel structure, it has been used in the design and construction of nuclear power station, and the heavy steel structure in the nuclear power station is generally different in shape and does not belong to the standard civil steel structure type. Therefore, according to the general civil steel structure construction methods and quality management requirements, it will be difficult to meet the requirements of nuclear power quality assurance grade, out of nuclear safety considerations, It will be an important and realistic subject to study a set of construction quality management method of heavy steel structure in the design and construction of nuclear power station. In the process of manufacturing and installation of nuclear power steel structure projects, various quality problems inevitably occur due to the influence of personnel qualifications and skills, raw materials, construction technical schemes, etc. In order to reduce and solve these frequent quality problems, it is more urgent to study a set of quality management methods for manufacturing and installation of heavy-duty steel structures in nuclear power plants to guide production and construction. Through the construction process of steel dome structure of Haiyang nuclear power unit in 2#, the quality management method of large-span heavy-duty steel structure in nuclear power station is studied and discussed. This paper first introduces the research situation at home and abroad and the key points and difficulties of construction quality management of nuclear power steel structure engineering, and analyzes and summarizes the difficulties. Then the common problems in the quality management activities are analyzed, and the problems are classified and summarized by the expert scoring method, and the characteristics of the quality management problems are summed up, which are solved one by one with the classification of the quality management problems in the later stage. Secondly, according to the quality management method of 4M1E and the requirement of nuclear power field management, the causes of common quality problems are analyzed by stratification method. Taking the whole process of construction quality management of dome structure engineering as an example, the whole paper is prepared according to the pre-construction period. The main work points of the three stages of construction completion and acceptance are discussed, the methods of quality management of dome engineering are clarified, and the common quality problems are explained in the quality management method. So that the quality management method can not only effectively solve the quality problems, but also prevent the quality problems easily occurring in advance. Finally, the paper expounds the measures to guarantee the construction quality management of dome engineering. Through the definition and refinement of the organizational system and system, quality assurance procedures, division of duties, personnel authorization management, and the implementation of key and difficult points in the process of quality management, some clear measures are put forward. To make the quality management measures more effective and smooth implementation. The research results have important guiding function to the construction quality management of the large-span heavy steel structure engineering of nuclear power plant, and have certain reference value to the construction quality management of other similar nuclear power projects in our country.
【學位授予單位】：哈爾濱工業大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TU758.11;TU712.3

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