| 天津金德园大面积深基坑土方开挖施工控制 |
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| 引用本文： | 黄昌锦,李克江,朱国华.天津金德园大面积深基坑土方开挖施工控制[J].施工技术,2009,38(9). |
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| 作者姓名： | 黄昌锦 李克江 朱国华 |
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| 作者单位： | 1. 金华市建设工程造价管理站,浙江,金华,321000
2. 中天建设集团有限公司,浙江,杭州,310008 |
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| 摘 要： | 天津金德园超大面积深基坑工程土方工程量大、工期紧、场地狭小且紧邻主干道和居民区,选择中心岛式土方开挖方案.利用栈桥运输作用,在保证支撑施工部位运输通道坚实的前提下进行土方开挖,遵循"分层开挖、先撑后挖、快挖快撑、保证基坑围护体系受力均衡"原则.对基坑支撑结构位移、周边道路和建筑物变形进行监测.结果表明周边道路和建筑沉降及支撑结构位移均在设计和规范要求警戒值范围内.
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| 关 键 词： | 基坑 土方开挖 栈桥 分层开挖 变形监测 |
Earth Excavation Control of Super-large Deep Foundation Excavation of Jindeyuan in Tianjin |
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| Huang Changjin,Li Kejiang,Zhu Guohua.Earth Excavation Control of Super-large Deep Foundation Excavation of Jindeyuan in Tianjin[J].Construction Technology,2009,38(9). |
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| Authors: | Huang Changjin Li Kejiang Zhu Guohua |
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| Affiliation: | 1.Jinhua Construction Cost Management Center;Jinhua;Zhejiang 321000;China;2.Zhongtian Construction Group Co.;Ltd.;Hangzhou;Zhejiang 310008;China |
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| Abstract: | According to large work quantity,short construction time,limit construction field,as well as dense surrounding main roads and buildings,earth excavation project of foundation excavation of Jindeyuan in Tianjin adopts central island earth excavation scheme.On the premise of ensuring transportation channel stability in support area,soil is rapidly excavated by layers with transportation of trestles after quick construction of support structure to ensure equilibrium stress in retaining structure.Displacement o... |
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| Keywords: | foundation excavation earth excavation trestle excavation by layers deformation monitoring |
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