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白城檢查井安裝要注意什么
更新時間::2022-07-24 09:46:20

  白城檢查井安裝注意事項:閉水試驗前必須對檢查井和管道的外觀質量進行檢查和驗收。只有全部合格,才能進行堵水試驗。嚴格控制井墻的砌筑質量。井壁須豎直,不得有通縫;灰漿要飽滿,砌縫要平整;抹面要壓光,不得有空鼓、裂縫等現象。

  對于檢查井周邊,選擇合適的回填材料和壓實方法是關鍵。當每層路基填筑壓實后,由檢查井周邊向外反挖50cm ,然后采用粗砂、或直徑不大于3厘米的碎石回填并立式沖擊夯壓實,壓實度不小于95%。

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