土路基填土宽度应比设计宽度宽（）。A．200mm B．300mm C．400mm D．500mm

作者: rantiku 人气: - 评论: 0

问题土路基填土宽度应比设计宽度宽（）。

选项 A．200mm B．300mm C．400mm D．500mm

答案 D

解析填土应分层进行。下层填土合格后，方可进行上层填筑。路基填土宽度应比设计宽度宽500mm。P11

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