基坑处理中强夯施工技术设计

DESIGN OF DYNAMIC COMPACTION CONSTRUCTION TECHNOLOGY IN FOUNDATION PIT TREATMENT

在当前基坑工程项目中,特别对于高填方项目,基坑处理主要的技术手段是强夯法。通过现场施工、理论分析对强夯施工技术进行研究,建立了一种强夯的技术体系及其施工方法,主要得出以下研究成果:(1)研究了强夯的技术,总结了夯击能和夯击次数,形成了夯击方案;(2)研究了强夯设计参数,确定夯击次数、夯击点的布置及有关注意事项;(3)研究了强夯的施工过程,确定了施工流程,提出了在施工测量、夯点放样、夯点作业的注意事项;(4)根据工程经验,总结了技术要点和注意事项,保证了现场施工的顺利进行。

Especially for high fill projects,the current main technical method is the dynamic compaction method.The field compaction construction technology was researched through on-site construction and theoretical analysis.A dynamic compaction technology system and construction method were established,and the following research results were mainly obtained.(1)The technology of dynamic compaction was studied,and the compaction energy and compaction times were summarized,and a tamping plan was formed.(2)The design parameters of dynamic compaction were studied,the layout of compaction points,compaction times,and related matters were determined(.3)The construction process of compaction was studied,and the construction process was confirmed,and the matters needing attention in construction survey,staking out and compaction point operation were put forward.(4)Based on engineering experience,the technical points and precautions were summarized to ensure the smooth progress of site construction.