【单选题】【消耗次数:1】
预应力混凝土施工采用先张法或后张法,其适用范围分别是()
先张法适用于工厂预制构件,后张法适用于现浇构件
先张法适用于工厂预制的中小型构件,后张法适用于大型现浇构件
先张法适用于中小型构件,后张法适用于大型构件
先张法宜用于通用构件和标准构件,后张法宜用非标准构件
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【判断题】 先张法宜用于现场生产大型预应力构件。特种结构和构筑物,亦可作为一定预制构件的拼装手段。
①  正确
②  错误
【单选题】 先张法预应力构件对台座没有()要求。
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②  刚度
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【单选题】 先张法预应力混凝土构件,预应力总损失值不应小于()。
①  <img src="20190718/1563410551397034.jpg" title="1563410551397034.jpg" alt="第5章3-5.jpg"/>
②  <img src="20190718/1563410561246287.jpg" title="1563410561246287.jpg" alt="第5章3-6.jpg"/>
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【单选题】 先张法预应力混凝土构件,预应力总损失值不应小于( )
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①  σl1+σl2+σl3+σl4+σl5
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