清水混凝土施工质量缺陷和预控措施.pdf

第 26卷第 2期重庆建筑大学学报
2004年 4月 Chongqing ofJournal JianzhuUniversi
清水混凝土施工的质量缺陷与预控措
姚刚, 高天, 张利
(重庆大学土木工程学院,重庆 400045)
摘要:清水混凝土目前在我国尚无明确的质量标准和规范,限于国内施工单位技术水平参差不
齐,而且清水混凝土施工是一项非常细致的工作,比一般混凝土施工要求严格,因此极易出现
质量缺陷。本文详细介绍了清水混凝土的质量标准及其施工中常见的质量缺陷,并从混凝土
原材料控制、混凝土浇筑与养护;钢筋放样、绑扎;模板选型、拼接以及缺陷修复、成品保护等方
面提出了可行的预控措施。
关键词:清水混凝土;质量控制;缺陷修复;质量标准
中图分类号:TU712+.3 文献标识码:A 文章编号:1006—7329(2004)02—0068—04
Defect and Pre—.control Methods for
Fair—faced Concrete Construction
YAOGang,GAO Tian,ZHANG “
(College of Civil Engineering,Chongqing University,Chongqing 400045,) University,Chongqing Engineering,Chongqing Civil of (College
Abstract:At present,there no is qualitystandarddefinite fair—faced for concrete engineering civil in Because
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the contractors ale different techniquein theale contractors different andlevel thefair—faced concrete moreconstruction plexthan eom.
rnon concreternonone and easecause to paper,the this fair—faced ofdefect quality introducedconcrete is
and somepre—control methods from some aspects,including law concrete,casting,maintenance,steelmaterials of
bar cutting,formwork joinfing treatment,defect mending,finished product protection and SO on are presented. presented. are on SO and protection mending,finishedproduct treatment,defect joinfing cutting,formwork bar
Keywords:fair—faced concrete;quality control