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基坑支护施工方案五 | 2011-2-15 12:44:00

现场安全资料实例（165）基坑支护施工方案五

基坑支护施工方案五

 

基坑支护施工方案五

三、水泥土围护墙的设计、计算方法

1．    设计参数

(1)    基坑围护采用3.2m宽、8m深的深层搅拌桩，采用格栅式结构，局部基坑深8.5m，采用深层搅拌+五排土钉支护。

(2)    地下车库围护结构采用3.2m宽、7.5m深的深层搅拌桩，采用格栅式结构。

(3)    本工程采用双头止水深层搅拌桩，横向间距为500mm，采用425普通硅酸盐水泥，掺量为12%，水灰比0.5。

(4)    盖梁为20cm厚混凝土，钢筋网为单层双向Φ12@200。

(5)    超过24h的施工冷缝采用二喷三搅的施工工艺。

(6)    在成桩15d后水泥土强度达到50%时方可开挖。

 

 

 

 

By:苏州愚人 | 阅读全文 | 回复(11) | 引用通告 | 编辑
  • 标签：安全台账 
  • 圈子：注安之家 
    • Re:在漫画中识别身边的违章 | 2017-2-20 15:37:28
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    Re:在漫画中识别身边的违章 | 2017-2-18 15:25:37
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    By:ondfj(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复
    Re:在漫画中识别身边的违章 | 2016-10-23 2:13:54
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    Re:在漫画中识别身边的违章 | 2016-10-21 13:19:21
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    Re:在漫画中识别身边的违章 | 2016-10-19 13:40:56
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    Re:在漫画中识别身边的违章 | 2016-10-18 1:16:44
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    原创 | 2016-9-30 16:13:14
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    原创 | 2016-9-28 21:32:08
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    原创 | 2016-9-6 21:55:06
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