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歡迎來到鹽山昱通螺旋鋼管實體生產企業!

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鹽山昱通管道

專業生產銷售大口徑厚壁國標螺旋鋼管,廠內加工防腐/保溫/涂塑

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Q235B鋼護筒廠家

日期:2020-05-28

在鉆孔灌注樁中,常埋設鋼護筒來定位需要鉆的樁位。護筒為鋼護筒,壁厚10mm,護筒定位時,先以樁位中心為圓心,根據護筒半徑在土上定出護筒位置,護筒就位后,施加壓力將護筒埋入約50cm。

Q235B鋼護筒廠家

如下壓困難,可先將孔位處的土體挖出一部分,然后安放護筒埋入地下。在埋入過程中應檢查護筒是否垂直,若發現偏斜,應及時糾正。

陸上護筒埋放就位后,將護筒外側用粘土回填壓實,以防止護筒四周出現漏水現象,回填厚度約40-45cm,頂端高度高出(水面)地面0.4-0.6m, 筒位距孔心偏差不得大于50mm。

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