摘要
结合某灰土挤密桩地基加固工程实例,对现场加固效果及挤密系数的理论计算方法进行了分析,结果表明,由于挤密桩施工过程浅层土体发生了隆起导致浅层桩间土的挤密系数小于深层桩间土的挤密系数,提出了挤密桩设计时宜采用等边三角形布置挤密桩;并推导出了不同布桩方法对应的桩间土理论干密度与挤密系数计算公式。
Combining with the consolidation project of some lime-soil compaction pile foundation,the paper undertakes the analysis of the theoretic calculation method for the site consolidation effect and compaction coefficient,proves by the result that the compaction coefficient of the shallow soil between the piles caused by the upheaval in the construction process of compaction pile is smaller than the one of the deep soil between piles,points out to adopt the equilateral triangle to allocate the compaction pile in the design for the pile,and induces the calculation formula for the dry density and compaction coefficient of soil between piles theory for various pile allocating method.
出处
《山西建筑》
2013年第21期76-78,共3页
Shanxi Architecture
关键词
地基处理
灰土挤密桩
挤密系数
foundation treatment
lime-soil compaction pile
compaction coefficient
