南京南站清水混凝土表观质量施工控制研究

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Abstract Research purposes: Lots of the fair － faced concrete walls，fair － faced cylinders and fair － faced roofs were used for the Nanjing South Station，and the decorative faced concrete was also used in the some areas of the station． During the construction process，there were many engineering problems because of the structural features of the Nanjing South Station and the requirements of fair － faced concrete apparent quality，so it was necessary to study the apparent quality control technology of the fair － faced concrete． As there was no domestic fair － faced concrete quality standards and quality acceptance criteria，the fair － faced concrete construction control standards and measures were formulated through summing up the common surface quality defects of fair － faced concrete，analyzing the project characteristics of the Nanjing South Station and learning the experience of past projects to ensure fair － faced concrete quality for the Nanjing South Station．
Research conclusions: ( 1 ) The in － site test of the Nanjing South Station shows formulating the apprent quality standards，the surface texture control standards and the decorative effect control standards can effectively ensure the apparent quality of the Nanjing South Station and meet the fair － faced concrete apparent quality requirements of railway station building． ( 2) The construction quality is controlled from the aspects of the survey，the concrete engineering，the reinforcing bar engineering and the moulding engineering to effectively avoid the appearance of the apparent quality defects of the fair － faced concrete．

Key words： fair － faced concrete quality control standards construction control measures

Received: 25 July 2011

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TU74

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http://tdgcxb.crec.cn/EN/ OR http://tdgcxb.crec.cn/EN/Y2012/V29/I1/88

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