I [ 建筑工程技术毕业论文] ( 混凝土裂缝的成因与控制) 专业: 建筑工程技术 II 摘要混凝土的裂缝问题是一个普遍存在而又难于解决的工程实际问题。本文从设计、材料、配合比、施工现场养护等方面对混凝土工程中常见的一些裂缝的成因进行了分析探讨。针对混凝土裂缝产生的原因,在混凝土结构设计、混凝土材料选择、配合比优化、以及施工现场的养护等方面提出了控制裂缝发展的措施。依据相关文献,并总结了混凝土裂缝的处理方法:表面处理法、填充法、灌浆法、结构补强法、混凝土置换法、电化学防护法、仿生自愈合法等。关键词: 混凝土; 裂缝; 成因;控制; III 目录摘要································································································· I 第1章概述···················································································· 1 课题的提出.................................................................................................... 1 本论文的研究内容........................................................................................ 1 本论文的研究方法......................................................................................... 2 第2章裂缝的成因············································································· 3 设计原因........................................................................................................ 3 材料原因........................................................................................................ 4 混凝土配合比设计原因................................................................................ 4 施工及现场养护原因.................................................................................... 4 使用原因(外界因素) ..................................................................................... 5 第3章裂缝的控制措施······································································· 6 设计方面........................................................................................................ 6 设计中的‘抗’与‘放’................................................................. 6 尽量避免结构断面突变带来应力集中.............................................. 6 采用补偿收缩混凝土技术.................................................................. 6 设计上要注意容易开裂部位............................................................. 6 重视构造钢筋...........................................................
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