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桩基钢筋笼子怎么绑
更新时间: 2020-10-04 00:00:00  

需焊接绑扎,否则难以满足施工工艺要求,钢筋笼会散架的。螺旋箍筋可梅花状点焊。

1、钢筋笼接长时在确保连接垂直的基础上要加快焊接速度,尽可能缩短沉放时间,这有利于钢筋笼顺利吊放以及减少孔底沉渣量;另外,应确保钢筋笼垫层保护块不漏放,钢筋笼垫层保护块最好作成半径为垫层厚度的导轮,这既能满足垫层厚度要求,又可减少对孔壁稳定性的破坏。

2、由于钢筋笼吊放后是暂时固定在钻架底梁上,为确保钢筋笼的埋入标高满足设计要求,吊环长度要根据梁底标高变化而变化。再验收时应根据梁底标高逐根复核吊环长度,要特别注意钢筋笼吊环长度能否使钢筋笼准确地吊放到设计标高。

关键词: 钢筋 笼子 怎么

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