施工技术 2014年8月下 44 CONSTRUCTION TECHNOLOGY 第43卷第16期 D01:10.7672/sjs2014160044 软土地区某多层房屋纠倾加固技术* 戴占彪1，付素娟2，李旭光，李光宏3 (1.河北建研科技有限公司，河北石家庄050021；2.河北省建筑科学研究院， 河北石家庄050021；3.河北工业大学土木工程学院，天津300401) [摘要]综合上部结构、桩基础、地基土体3方面对云南某住宅楼的倾斜原因进行分析.根据下部土体及建筑结构 形式，对建筑物采用锚杆静压桩止倾加固，采用截桩迫降的处理方法对该建筑物进行纠倾施工.工程实践表明，本 工程截桩迫降法纠倾速度快、沉降稳定易控制且能保证整幢房屋均匀地回倾：在截桩结束封柱后，沉降能迅速稳 定，工后沉降较小. [关键词]混凝土结构；纠倾：锚杆静压柱：地基加固 [中图分类号]TU746.3 [文献标识码]A [文章编号]1002-8498(2014)16-0044-04 Rectification and Strengthening of a Multi-storey Houses on Soft Soil Area Dai Zhanbiao Fu Sujuan2 Li Xuguang' Li Guanghong (1.Hebei Building Research Engineering Co.Lad.Shijiazhuang Hebei 050021 China; 2.Hebei Academy of Building Research Shijiazhuang Hebei 050021 China; 3.School of Civil Engineering Hebei University of Technology Tianjin 300401 China) Abstract:This paper analyzes the reasons of a tilted residential building in Yunnan through the upper structure pile foundation and soil foundation.According to the lower part of the soil and structural form anchor piles are used for the end of dumping and reinforced buildings and the method of cut pile is used for rectification of the buildings.The project shows that the method of cut pile has the characteristics of fast rectification stable and easy to control settlement and ensures the whole building uniformly dumping back.When the sealing of the eut piles is finished building settlement can quickly stabilize with small post-settlement. Key words:concrete buildings;rectification;anchor piles;consoli...
软土地区某多层房屋纠倾加固技术.pdf
