桥梁的结构有什么?
人气:366 ℃ 时间:2020-03-27 23:24:00
解答
桥梁一般由上部结构、下部结构和附属构造物组成,上部结构主要指桥跨结构和支座系统;下部结构包括桥台、桥墩和基础;附属构造物则指桥头搭板、锥形护坡、护岸、导流工程等.
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