| 渗透性土质下戴河大桥基坑支护分析 |
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| 引用本文： | 李自林,石绍立,恽振波,刘振. 渗透性土质下戴河大桥基坑支护分析[J]. 天津城市建设学院学报, 2011, 17(1): 5-9 |
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| 作者姓名： | 李自林 石绍立 恽振波 刘振 |
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| 作者单位： | 1. 天津城市建设学院,天津,300384
2. 中铁六局集团有限公司,天津,300232 |
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| 基金项目： | 中铁六局集团有限公司科技研究项目，天津市自然科技基金重点资助项目 |
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| 摘 要： | 基于渗透性土层在渗流作用下的水土分算法原理,对戴河大桥桥墩基坑支护进行了设计与计算,运用有限元分析软件求得支护结构的变形值、基坑周围土体的沉降值等.在现场基坑开挖、降水过程中,合理设置监测点对支护变形及地表沉降实施了跟踪监测,将计算所得的支护最大变形值与实测最大变形值相比较,两者吻合较好,支护的强度、刚度、稳定性、抗管涌等性能满足建筑基坑工程检测技术规范的要求.
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| 关 键 词： | 水中基坑支护 渗流作用 水土分算 有限元 |
Study on Retaining and Protecting for Foundation Excavation of Daihe Bridge Built on Permeable Soil |
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| LI Zi-lin,SHI Shao-li,YUN Zhen-bo,LIU Zhen. Study on Retaining and Protecting for Foundation Excavation of Daihe Bridge Built on Permeable Soil[J]. Journal of Tianjin Institute of Urban Construction, 2011, 17(1): 5-9 |
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| Authors: | LI Zi-lin SHI Shao-li YUN Zhen-bo LIU Zhen |
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| Affiliation: | LI Zi-lin1,SHI Shao-li1,YUN Zhen-bo2,LIU Zhen2(1.Tianjin Institute of Urban Construction,Tianjin 300384,China,2.China Railway Sixth Group Co.,Ltd.,Tianjin 300232,China) |
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| Abstract: | Based on the principle of water and soil separated calculation of permeable soil layer under the influence of seepage,the retaining and protecting for the foundation excavation of Daihe bridge piers is designed and calculated,the deformation value of the supporting structure and the settlement value of the soil mass around the foundation pit are obtained by using the finite element analysis software.In the process of the on-the-spot excavation of foundation pit and during the rain,a track monitoring for the... |
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| Keywords: | retaining and protecting for foundation excavation in water seepage effect the separate calculation of water and soil the finite element |
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