| 软土深基坑开挖地表沉降评估方法研究 |
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| 引用本文： | 聂宗泉,张尚根,孟少平. 软土深基坑开挖地表沉降评估方法研究[J]. 岩土工程学报, 2008, 30(8): 1218-1223 |
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| 作者姓名： | 聂宗泉 张尚根 孟少平 |
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| 作者单位： | 东南大学；解放军理工大学； |
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| 摘 要： | 在已有研究成果和对大量实测资料分析处理的基础上,就柔性支护软土深基坑坑周地表位移场的大小及分布规律进行了进一步研究。根据上海地区深基坑施工实践,给出了软土深基坑柔性围护墙后偏态分布的地表竖向位移表达式,并通过对若干基坑工程实例分析,证明提出的墙后偏态分布地表沉降表达式的有效性和实用性。
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| 关 键 词： | 深基坑 偏态分布 地表沉降 评估方法 |
Surface settlement of deep foundation pits by excavation |
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| NIE Zongquan,ZHANG Shanggen,MENG Shaoping. Surface settlement of deep foundation pits by excavation[J]. Chinese Journal of Geotechnical Engineering, 2008, 30(8): 1218-1223 |
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| Authors: | NIE Zongquan ZHANG Shanggen MENG Shaoping |
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| Affiliation: | 1.College of Civil Engineering Southeast University Nanjing 210096 China 2.No.4 Chinese Railway Bureau Group Co. Ltd. Hefei 230023 China 3.PLA University of Science and Technology Nanjing 210007 China |
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| Abstract: | Based on a great deal of monitored data of surface settlement for deep foundation pits,a new fitting curve of surface settlement according to the decentration distribution density function was presented,and the formula of surface settlement which might result in deformation of braced structures and settlement of foundation pits in the course of excavation was deduced.It might be helpful for the settlement prediction of practical projects on soft foundation pits. |
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| Keywords: | deep foundation pit decentration distribution surface settlement evaluation method |
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