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高能级强夯地基的处理
引用本文:张成刚,刘晓鹏,马德堂.高能级强夯地基的处理[J].水运工程,2016(S1):142-147.
作者姓名:张成刚  刘晓鹏  马德堂
作者单位:中交水运规划设计院有限公司,北京 100007,中交水运规划设计院有限公司,北京 100007,中交水运规划设计院有限公司,北京 100007
摘    要:大连临空产业园填海造地工程陆域形成的工字型区域采用清淤换填块石形成,回填块石厚度为22~24 m,工程中对该区域分别采用夯击能10 000 kN·m和18 000 kN·m进行地基处理试验,试验监测和检测内容主要有深层水平位移、地下水位、孔隙水压力、地表沉降、测斜、分层沉降、多道瞬态面波、反应模量、载荷板、固体体积率和动力触探等,根据试验监测、检测成果与土力学相关公式计算结果进行对比分析,并论证两者差异之处,为工程后续清淤换填区的地基处理提供技术依据。

关 键 词:地基处理  强夯法  夯击能  效果评价

Treatment of high energy level foundation
ZHANG Cheng-gang,LIU Xiao-peng and MA De-tang.Treatment of high energy level foundation[J].Port & Waterway Engineering,2016(S1):142-147.
Authors:ZHANG Cheng-gang  LIU Xiao-peng and MA De-tang
Institution:CCCC Water Transportation Consultants Co.,Ltd.,Beijing 100007,China,CCCC Water Transportation Consultants Co.,Ltd.,Beijing 100007,China and CCCC Water Transportation Consultants Co.,Ltd.,Beijing 100007,China
Abstract:Desilting and subsequent backfilling with rock were used in the reclamation works of Dalian airport industrial park project which the thickness of backfill is about 22 m to 24 m.In this project,a foundation treatment test was adopted with two alternatives tamping energy of 10 000 kN·m and 18 000 kN·m.The test includes deep lateral displacement,groundwater level,porewater pressure,ground surface settlement,inclination,settlement in layers,multiple-transient surface wave,response modulus,load-plate test,solid volume ratio and dynamic penetration test.The differences between tests results and theoretical results are analyzed in order to provide a basis for similar projects.
Keywords:foundation treatment  dynamic compaction  tamping energy  effect evaluation
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