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鋼筋混凝土排水管的正確操作方法

來源:www.kadinask.com         發布時間:2021-09-15 返回列表
  鋼筋混凝土排水管是根據電線桿的離心力原理,用水泥和鋼筋制成的預制管??捎米鞒鞘薪ㄔO中的下水道,城市中的污水、防洪、排水設施,也可用作一些廠礦的水管和農田中的機井。

  當混凝土水泥管與含有大量可溶性鹽類化合物的水接觸時,這些鹽類化合物會滲入混凝土。水蒸發后,鹽會不斷集中在混凝土中,變成晶體。這一過程通常伴隨著體積的增加,從而導致混凝土材料出現裂縫。水泥管道的典型腐蝕是硫酸鹽腐蝕。在混凝土-水泥管的使用過程中,常見的化學腐蝕形式是硫酸鹽腐蝕。硫酸鹽能與水泥管道中的鈣長石發生反應。導致硫鋁酸鹽形成,體積增大,導致混凝土水泥管開裂。這種開裂會進一步加速硫酸鹽對水泥管道基體的腐蝕。使用鋼筋混凝土排水管時,應注意以下幾點:

  (1)用電動千斤頂頂推水泥管道后,立即用支架支撐水泥管道,防止電動千斤頂作為支架。

  (2)仔細選擇水泥管道的重心,合理選擇千斤頂的受力點,底面必須平整,并考慮地面的軟硬情況,是否需要用硬填料填充。木材,放置位置是否穩定,防止載荷下沉或傾斜。

  如果在運輸過程中泵體內的油不足,必須向泵中加入工作油,然后才能再次使用。

  使用電泵輸送水泥管時,請參照電泵的操作說明。不要超負荷,到達地層后再按壓。否則,當提升高度或噸位超過規定值時,油缸頂部可能會發生嚴重漏油。

  使用水泥管前,請仔細檢查是否有缺陷,確保水泥管連接安全,避免泄漏。

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