基坑类别 | 施工进程 | 基坑设计深度(m) | ||||
≤5.0 | 5.0-10.0 | 10.0-15.0 | >15.0 | |||
一级 | 开挖深度(m) | ≤5.0 | 1次/1d | 1次/2d | 1次/2d | 1次/2d |
5.0-10.0 | - | 1次/1d | 1次/1d | 1次/1d | ||
>10.0 | - | - | 2次/1d | 2次/1d | ||
底板浇筑后时间(d) | ≤7.0 | 1次/1d | 1次/1d | 2次/1d | 2次/1d | |
7.0-14.0 | 1次/3d | 1次/2d | 1次/1d | 1次/1d | ||
14.0-28.0 | 1次/5d | 1次/3d | 1次/2d | 1次/1d | ||
>28.0 | 1次/7d | 1次/5d | 1次/3d | 1次/3d | ||
二级 | 开挖深度(m) | ≤5.0 | 1次/2d | 1次/2d | - | - |
5.0-10.0 | - | 1次/1d | - | - | ||
底板浇筑后时间(d) | ≤7.0 | 1次/2d | 1次/2d | - | - | |
7.0-14.0 | 1次/3d | 1次/3d | - | - | ||
14.0-28.0 | 1次/7d | 1次/5d | - | - | ||
>28.0 | 1次/10d | 1次/10d | - | - |
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