人民长江2016，Vol.47Issue(9)：58-62,5.DOI:10.16232/j.cnki.1001-4179.2016.09.014
桩基穿越欠固结土层设计事故分析及处理
Analysis on accident of pile foundation passing through under-consolidated soil and treatment
卢声亮 1张捷 2史家平 1许红星3
作者信息
- 1. 汕头大学 工学院，广东 汕头515000
- 2. 温州职业技术学院 建筑工程系，浙江 温州325000
- 3. 湖北中江建筑设计院有限公司，湖北 武汉430000
- 折叠
摘要
Abstract
The ground subsidence, uneven settlement of pile foundation and upper structural damage were discovered in a frame building in the construction period, so the reinforcement treatment must be carried out. Aiming at this accident case, we carried out a series of investigations and studies on its geomechanical parameter selection in the pile foundation design, so the im-portance of negative surface friction to the bearing capacity and settlement of pile foundation was made clear. Furthermore, we discussed how to correctly understand the provisions of the specification in practical engineering design. It is not enough to deter-mine the Ra value of pile foundation passing through under-consolidated soil by static test, so the adjustment is necessary. The results provide a reference for the safer and more economical pile foundation design in the future.关键词
欠固结土/桩基承载力/负摩阻力/设计事故Key words
under-consolidated soil/bearing capacity of pile foundation/negative surface friction/design accident分类
天文与地球科学引用本文复制引用
卢声亮,张捷,史家平,许红星..桩基穿越欠固结土层设计事故分析及处理[J].人民长江,2016,47(9):58-62,5.
