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  • 內天溝有什么缺點
  • 本站編輯:杭州得裕建材有限公司發布日期:2019-04-04 17:46 瀏覽次數:

天溝指建筑物屋面兩胯間的下凹部分。屋面排水分有組織排水和無組織排水(自由排水),有組織排水一般是把雨水集到天溝內再由雨水管排下,集聚雨水的溝就被稱為天溝,天溝分內天溝和外天溝,內天溝是指在外墻以內的天溝,一般有女兒墻;外天溝是挑出外墻的天溝,一般沒女兒墻。天溝 多用白鐵皮或石棉水泥制成。

  在建筑上,天溝的工程量按設計尺寸以體積計算,不扣除構件內鋼筋及預埋鐵件體積。

 內天溝的缺點如下:

          1.施工有難度,防腐防銹要求高.

          2.更換過程復雜

         3.易被雨水腐蝕

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The gutter refers to the concave part between the two crotches of the roof of a building. Roof drainage is divided into organized drainage and unstructured drainage (free drainage). Organized drainage generally collects rainwater into the gutter and then drains it down by rainwater pipes. The gutter that collects rainwater is called the gutter. The gutter is divided into inner gutter and outer gutter. The inner gutter refers to the gutter within the outer wall, which generally has a parapet wall. The outer gutter is the gutter that pulls out the outer wall, and there is no parapet wall. Tiangou is made of white iron sheet or asbestos cement.

In the construction, the engineering quantity of the trench is calculated by volume according to the design size, without deducting the volume of steel bar and embedded iron parts in the component.

The shortcomings of the Inner Tiangou are as follows:

1. The construction is difficult and the requirements of anticorrosion and rust prevention are high.

2. Complex replacement process

3. Easily corroded by rainwater


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