施工技术 2014年4月下 100 CONSTRUCTION TECHNOLOGY 第43卷第8期 D01:10.7672/sgjs2014080100 什祁市某已建住宅楼工程墙体裂缝控制 胡兴福1 2 (1.武汉理工大学管理学院，湖北武汉430700；2.四川建筑职业技术学院，四川德阳618000) [摘要]什邡市某6层砖混结构住宅楼，主体完工4个月后底层局部墙体出现裂缝.经分析，该建筑局部地基为软 土，其含水量大、渗透性差，原设计采用的振冲法处理效果差，从而导致局部地基承载力不足、地基沉降量大且不均 匀.针对墙体裂缝原因，采用灰土桩加固软土地基，同时采用钢筋混凝土梁加固基础，加固效果良好. [关键词]地基：沉降；加固；裂缝；控制 [中图分类号]TU398.5 [文献标识码]A [文章编号]1002-8498(2014)08-0100-03 Crack Control for Walls in an Existing Residential Building in Shifang Hu Xingfu.2 (1.School of Management of Wuhan University of Technology Wuhan Hubei 430070 China; 2.Sichuan College of Architectural Technology Deyang Sichuan 618000 China) Abstract:Cracks were emerged from partial ground-floor walls of a six-floor residential building with a masonry-concrete structure in Shifang 4 months after the main body had pleted.According to analysis it was soft soil in the local foundation of this building with large water content and poor permeability the vibroflotation reinforcement effect was poor from the original design resulted in insufficient carrying capacity of local foundation and large and uneven of the foundation settlement amount.Based on these reasons favourable effects of foundation stabilization are arisen from consolidated soft soil with lime-soil piles and reinforced foundation by applying reinforced concrete beams. Key words:foundations;settlement;strengthening;cracking;control 1工程概况 匀沉降，且未达到稳定.表1为几个代表性观测点 四川省什邡市某6层砖混结构住宅楼，采用碎2011年9月5日至2013年3月2日的沉降值.一 石桩复合地基、砖砌条形基础，基础埋深1.5m.该单元地基沉降最大处为房屋西南角(2...
什邡市某已建住宅楼工程墙体裂缝控制.pdf
