下列粒径范围中,属于混凝土细骨料的是()A:0.075~0.15mmB:0.15~4.75mmC:4.75~5.75mmD:5.75~6.75mm

作者: rantiku 人气: - 评论: 0
问题 下列粒径范围中,属于混凝土细骨料的是()
选项 A:0.075~0.15mm B:0.15~4.75mm C:4.75~5.75mm D:5.75~6.75mm
答案 B
解析 在混凝土中的砂、石起骨架作用,故称为骨料。其中砂称为细骨料,其粒径在0.15~4.75mm之间;石称为粗骨料,其粒径大于4.75mm。

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