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    人工挖孔桩需要做哪些检测试验? - 工程施工 - 项目管理 - 氿上知道 
    
    
    
    
    
    
    
    
    
    
    
    
    
    
 
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满意答案
3 竖向承载力检验---采用静载荷试验,检验桩数不得少于同条件下总桩数的1% ,且不得少于3 根。
二。 挖孔至设计持力层后,施工单位应进行自检评定,工程桩终孔检查内容包括桩孔中心线位移偏差、桩径偏差、终孔深度、孔底沉渣以及桩底持力层等情况,各项偏差应在设计及规范允许范围内。报监理、勘察、设计院及业主等部门核验并办理隐蔽验收签证手续。
当设计持力层经过相关部门核验后方可进行扩大头的施工,扩大头施工好后施工单位应进行自检评定,报监理、勘察、设计院及业主等部门核验办理隐蔽验收签证手续。
根据情况,有些地方需要在孔底钻探孔,以便确认桩底持力层没有洞穴。
意气风发
回答于:2014-12-01
共2条回答