对于水泥混凝土路面,在混凝土达到设计弯拉强度( )以后,可允许行人通过。A.40% B.50% C.80% D.90%

作者: rantiku 人气: - 评论: 0
问题 对于水泥混凝土路面,在混凝土达到设计弯拉强度( )以后,可允许行人通过。
选项 A.40% B.50% C.80% D.90%
答案 A
解析 本题考查的是城镇道路面层施工。在混凝土达到设计弯拉强度40%以后,可允许行人通过。

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