发布时间:2025-01-26 14:12:30
箱涵【box culvert】指的是洞身以钢筋混凝土箱形管节修建的涵洞。箱涵由一个或多个方形或矩形断面组成,一般由钢筋混凝土或圬工制成,但钢筋混凝土应用较广,当跨径小于4m时,采用箱涵。
盖板涵【slab culvert】指的是洞身由盖板、台帽、涵台、基础和伸缩缝等组成。填土高度为1~8米,甚至可达12米。在孔径较大和路堤较高时,盖板涵比拱涵造价高,但施工技术较简单,排洪能力较大,盖板可以集中制造。
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