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墩-筏基础现场测试与应用研究
Monitoring in-situ and Application of Pier-raft Foundations
【摘要】 根据基底下埋设土压力盒的观测结果,研究了墩-筏基础的工作机理;明确了基底压力及分布;分析了墩与筏基的荷载分配比.应用该项成果已成功地设计了另一幢14层建筑的基础,并获得了较好的经济效益.
【Abstract】 This paper investigates the performance of a pier-raft foundation in situ. The contact pressure and its distribution, the load sharing between piers and the raft are monitored by the installed earth pressure cells at pier-soil and raft-soil interfaces. Testing results shows that this type of foundation can result in economical advantages with respect to optimized load transfer to the subsoil, which have been successfully applied to a building foundation design in Shenyang.
【关键词】 墩筏;
接触压力;
地基;
承载力;
传感器;
土压力盒;
【Key words】 pier; raft; contact pressure; bearing capacity; transducer; pressure cell;
【Key words】 pier; raft; contact pressure; bearing capacity; transducer; pressure cell;
- 【文献出处】 建筑结构 ,Building Structure , 编辑部邮箱 ,1998年11期
- 【分类号】TU471
- 【被引频次】3
- 【下载频次】48