天气预报 > 其他 > 明挖扩大基础基坑开挖方式有几种
明挖扩大基础基坑开挖方式有几种
更新时间: 2020-10-20 00:00:00  

明挖法的关键工序是:降低地下水位、边坡支护、土方开挖、结构施工及防水工程等。

主要有:1.放坡开挖技术;2.型钢支护技术;3.连续墙支护技术;4.混凝土灌注桩支护技术;5.土钉墙支护技术;6.锚杆支护技术;7.混凝土和钢结构支撑支护方法。

关键词: 扩大 基础 基坑 开挖 方式

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