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鋼筋混凝土排水管的外觀要求是怎樣的

來源:www.kadinask.com         發布時間:2021-09-30 返回列表
  鋼筋混凝土排水管主要是指排水管壁上有單層或多層鋼架的水泥混凝土圓管。外觀質量有一定要求,如下:

  首先是外形和表面要求。鋼筋混凝土排水管的內外表面應光滑,排水管不得有粘皮、麻面、蜂窩、塌陷和空鼓,局部麻面深度不得大于5毫米。裂縫,鋼筋混凝土排水管外表面不應有裂縫,內表面裂縫寬度不應超過0.05毫米,但砂漿層表面裂縫和收縮裂縫不受限制。

  接縫處不應有滲漏,缺陷可以修復。表面凹坑不得超過10毫米,粘皮、凹坑表面和蜂窩的深度不得超過壁厚的1/5,大值不得超過10毫米,總面積不得超過壁厚的1/20,每塊面積不得超過100平方厘米。

  鋼筋混凝土排水管內表面局部塌陷,但塌陷面積不超過管內表面的1/20,每片面積不超過100平方厘米。接頭滲漏深度不應超過壁厚的1/5,大長度不應超過管長的1/5。

  鋼筋混凝土排水管的主要作用是影響雨水、城市污水和農田灌溉。

  鋼筋混凝土排水管的生產過程自動化程度高,其布料過程、振動過程和擠壓過程通過程序設定自動完成。那么它的材料是什么:

  鋼筋混凝土排水管的材料特點是:混凝土強度高、抗滲性好、抗外壓能力強、頂管力大、生產效率高。該工藝通過調節振動頻率和振幅產生的振動力,可以生產出良好的密實混凝土,從而獲得高強度管道混凝土(強度可達C50),從而顯著增強管道的抗壓和抗滲能力。

  用這種方法生產的混凝土管保護層均勻,在離心和懸浮軋制過程中不會出現鋼網移位、跳動、合并和松動等現象。

  鋼筋混凝土排水管的材料將有效保護鋼筋環網免受損壞和腐蝕,并確保其使用壽命。
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