施工技术 2013年2月上 110 CONSTRUCTION TECHNOLOGY 第42卷第3期 D0I:10.7672/8gjs2013030110 地下结构裂缝预控与防水优化设计 胡骏1,孙小华2 (1.杭州金汤建筑防水有限公司,浙江杭州310020;2.中国建筑第三工程局有限公司,湖北武汉430074) [【摘要]地下建筑工程裂缝80%以上由变形引起.采用以放为主的设计原则,在规划部位以多设缝的方法释放混 凝土的内应力,可以达到控制和减少无序裂缝产生的目的.而地下建筑工程中,缝的防水又是一大难题,针对地下 工程中儿种常用缝的防水方法进行分析,在参考了日本防水做法的基础上,结合我国工程应用实例,提出各种缝的 优化防水设计方法. [关键词]防水工程;混凝土;裂缝;后浇带;诱导缝;丁基钢板止水带 [中图分类号]TU761.11 [文献标识码]A [文章编号]1002-8498(2013)03-0110-06 Cracks Prevention on Underground Structure and Optimization Design for Waterproof Hu Jun' Sun Xiaohua2 (1.Hangzhou Jintang Waterproofing of Building Co.Ltd.Hangzhou Zhejiang 310020 China; 2.China Construction Third Engineering Bureau Co.Ltd.Wuhan Hubei 430074 China) Abstract:80%cracks of underground project are caused by deformation.In order to control and reduce casual cracks the design principle of 'release'can be adopted and the internal stress of concrete can be released by setting construction gaps within the planned locations.Waterproof design is another challenge of underground project.Analyses were performed with respect to the waterproof design methods for several mon joints.With reference to the waterproof technology in Japan and also bined with actual projects in China the waterproof design optimization methods were proposed for various joints. Key words:waterproofing;concrete;cracks;late-pouring belt;induced joints;butyl plate water-stop belt 随着城市建设的发展,高层建筑及地下空间开发裂缝是相对的,裂缝的存在是混凝土固有的一种物 已成为普遍采用的增加单位土地面积利用率的方法.理性质.根据有关论著阐述,以0.05mm宽度为限, 大面积、多层、超长地下室以及绵延数公里的地...