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边坡坡度怎么算

更新时间: 2021-03-24 04:42:58     

1、坡度就是高度h除以水平长度b的比值。

2、为了防止塌方,保证施工安全,在挖方或填方的开挖深度或填筑高度超过一定限度时,要在其边沿做成具有一定坡度的边坡( h:b称为坡度)。坡度过小,增加开支;过大又不安全。边坡坡度应根据挖方深度、土质和地下水的实况进行确定。一般地讲,无地下水时,在天然湿度的土方开挖基坑(槽)不加支撑、不放坡的直立壁,不同土质的挖方深度最大值不得大于:砂土1米,亚砂土1.25米,粘土1.5米,特别坚实的土2米。

关键词: 坡坡 怎么

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