【单选题】【消耗次数:1】
混凝土是按什么强度配制的?
混凝土的施工配制强度
混凝土强度标准值
混凝土的弯曲抗压强度
混凝土的抗拉强度
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相关题目
【单选题】 混凝土施工配制强度应( )混凝土设计强度标准值。
①  小于
②  等于
③  大于
④  B或C
【单选题】 混凝土施工配制强度应( )混凝土设计强度标准值
①  小于
②  等于
③  大于
④  B或C
【判断题】 混凝土的轴心抗压强度是确定混凝土强度等级的依据。
①  正确
②  错误
【判断题】 混凝土立方体强度大于轴心抗压强度。
①  正确
②  错误
【单选题】 混凝土抗压强度标准试件的尺寸为( )。
①  150×150×150mm3
②  40×40×160 mm3
③  70.7×70.7×70.7 mm3
④  240×115×53 mm3
【单选题】 混凝土抗压强度标准试件的尺寸为( )。
①  150×150×150mm3
②  40×40×160 mm3
③  70.7×70.7×70.7 mm3
④  240×115×53 mm3
【判断题】 我国规范采用立方体抗压强度作为评定混凝土强度等级的标准。而将符合实际受力的棱柱体抗压强度作为混凝土的轴心抗压强度值,用fc表示。
①  正确
②  错误
【判断题】 强度是混凝土的最重要的力学性质,其中抗压强度是衡量混凝土强度的主要指标。
①  正确
②  错误
【单选题】 确定混凝土强度等级的依据是混凝土立方体抗压强度,其标准试件的尺寸是()
①  100mm×100mm×100mm
②  150mm×150mm×150mm
③  200mm×200mm×200mm
④  150mm×150mm×300mm
【单选题】 高强混凝土的抗压强度大于等于( )MPa。
①  50
②  55
③  60
④  65
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【单选题】 15. She had ____ to do, so she was free.
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①  money
②  pay
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④  loss
【单选题】 17. A survey was carried out on the death rate of new-born babies in that region, ____were surprising.
①  as results
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【单选题】 Every morning Mr. Smith takes a ____walk to his office.
①  20 minute
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【单选题】 20. She never sang, ____ dance.
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①  deserve ?
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