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塑料馬凳在建筑中起著無可取代的作用

日 期:2015-3-10 14:17:05 已 閱:1719 次

     塑料馬凳在鋼筋混凝土構件中,是必不可少的工件之一,特別是懸挑板,如陽臺、雨蓬,受力鋼筋在上部,呈懸浮狀態,工人操作務必要在上面踩踏,容易把受力鋼筋踩到下面而失去抗拉作用,無數陽臺雨蓬坍塌事件都是由此造成。
    為了保證懸挑構件的施工質量,塑料馬凳的作用絕對不可輕視,施工中,在懸挑部位的根部墊上馬凳,使受力縱筋的位置穩固,就不會出現質量事故。同理,在現澆板中,有許多支座上部鋼筋都處于漂浮狀態,這些受力鋼筋的位置決定了構件的承載能力,而保證上部受力縱筋的位置,全靠塑料馬凳來架起并固定,可見,小小的馬凳,起著一兩頂千鈞的無比重要的作用。
    所以說作用的大小不在于物件體積的大小,只要能在關鍵時刻起作用才是最好的。就像塑料馬凳一樣,雖然體積不大,但是起到的作用卻一點也不小。

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成年免费A级毛片免费看
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