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双排桩桩间土加固对支护效果的影响分析


双排桩桩间土加固对支护效果的影响分析
摘要:在天津软土地区使用悬臂双排桩支护会产生较大位移,针对这一特点,提出双排桩桩间使用水泥土加固技术,并对此进行了计算分析。结果表明,对基坑的加固效果明显,基坑总体水平变形量减少近30%;双排桩桩顶水平位移减小近40%。

Abstract:The use of cantilever double row piles would cause a larger displacement in Tianjin soft soil area. According to this characteristic, the paper reinforced the soil by cement between the double row piles and then maked the calculation analysis. The results indicated that the effect of reinforcement on foundation pit deformation was obvious. The horizontal displacement of the excavation reduced by 30 %. The horizontal displacement of the double row piles top decreased nearly 40 %.

中文标题:
双排桩桩间土加固对支护效果的影响分析
Analysis of the Supporting Effect of Double Row Piles Reinforcement

作者:
樊继良,刘秀凤,李军
Fan Jiliang,Liu Xiufeng,Li Jun
作者简介:樊继良,1981年生,男,汉族,河北唐山人,高级工程师。E-mail:tigis@163.com
通讯地址:
天津市勘察院, 天津 300191
TianjinInstituteofGeotechnicalInvestigation&Surveying,Tianjin300191,China

中图分类号:TU942
doi:10.369.j.issn.1007-2993-2015.03.006
出版物:岩土工程技术
收稿日期:2014-12-03
网络出版日期:2021-07-19


关键词:双排桩,水泥土,桩间土加固
Key words:double row piles,cement soil,soil reinforcement between piles
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