【单选题】【消耗次数：1】
模板设计要求所设计的模板必须满足：
①
刚度要求
②
强度要求
③
刚度和强度要求
④
变形协调要求
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【简答题】
模板及支架设计应哪些要求？
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对混凝土的强度要求：《无粘结预应力混凝土结构技术规程》规定，张拉时，混凝土立方体抗压强度应符合设计要求。当设计无要求时，不宜低于混凝土设计轻度登记的85%。
①
正确
②
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something new
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