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发明名称
软弱地层上的地基桩施工方法
摘要
本发明涉及一种地基桩的施工方法,尤其指海底、江河湖泊底地层的地基桩施工方法。它的施工步骤为:1,用螺旋钻插入柱管中,边钻洞、桩管边下降,在桩管底端与坑底层留出一空间坑,2,取出螺旋钻,调各桩管顶面处在同一水平面上,3,在桩管底端的空间坑内,投放炸药包,而后引爆,使空间坑扩大,同时密实坑地层,4,在桩管中空和上述空间坑中插置钢筋龙,5,现浇混凝土,形成牢固的蘑菇头朝下形式的地基桩。从而,承载增大,本身强度高,尤其适于水底地层使用。
申请公布号
CN1113530A
申请公布日期
1995.12.20
申请号
CN95101013.1
申请日期
1995.01.05
申请人
王守彬
发明人
王守彬
分类号
E02D27/12
主分类号
E02D27/12
代理机构
代理人
主权项
1、一种软弱地层上的地基桩施工方法,其特征是施工步骤为:一、用螺旋钻插入柱管中,边钻洞、桩管边下降,直到接近欲开洞的坑底层,桩管停止下降,而螺旋钻仍在该桩管底端外钻出一空间坑;二、取出螺旋钻,调整各桩管顶面处在同一水平面上;三、在桩管底端的空间坑内,投放炸药包,而后引燃爆炸,使空间坑扩大,尤其横向尺寸,同时密实坑地层;四、在桩管中空和上述空间坑中插置钢筋龙;五、现浇混凝土充满上述空间坑和桩管中空,桩管、钢筋龙和现浇混凝土牢固凝结成蘑菇头朝下形式的地基桩。
地址
570003海南省海口市白龙路25号乳酸食品厂
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