The vertical of installed rebar cage should be controlled;the rebar cage should be vertically inserted with aiming exactly the center of the drilled hole.It is forbidden to touch the wall.
英
美
释义
控制钢筋笼安装垂直度,安放钢筋笼时,需对准钻孔中心竖直插入,严禁触及孔壁。
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