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水泥排水管的質量要怎樣控制

來源:www.kadinask.com         發布時間:2021-10-07 返回列表
  水泥排水管在基礎設施建設中發揮著越來越重要的作用,得到了廣泛的應用。它的質量也有一個很重要的問題。介紹其質量控制:

  1.防止邊坡坍塌:用于支撐的直槽坡度通常為1: 0.5。一般來說,溝渠的土方應妥善安排,并堆放在溝渠的兩側。

  2.防止水進入槽底:雨季期間,應在溝渠周圍修建封閉的土堤。必要時應在田埂外開挖排水溝,防止雨水流入水槽。在地下水位以下或者積水較淺的地區挖溝,應當要求施工單位設置排水溝、集水井抽水。到達溝底后,立即進行下一道工序,否則不應在溝底挖20厘米土層作為保護層。

  3.防止槽底過度開挖:開挖槽時,跟蹤槽底,測量檢查槽底高度。采用機械挖溝時,請在設計溝底標高以上預留20 cm土層,以便人工開挖。如超挖,應采取以下措施:用碎石(或卵石)填筑設計標高,或用夯土填筑,夯土的密度不應低于原天然地基的密度。

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