| 基坑降水引起地面沉降的实时预测 |
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| 引用本文： | 张勇,赵云云. 基坑降水引起地面沉降的实时预测[J]. 岩土力学, 2008, 29(6): 1593-1596 |
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| 作者姓名： | 张勇 赵云云 |
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| 作者单位： | 1. 北京科技大学 土木与环境工程学院，北京 100083；2. 河北工程大学 资源学院，河北 邯郸 056038 |
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| 摘 要： | 由于基坑降水引起周围土体应力的重新调整，造成基坑相邻建筑物地基不均匀沉降，情况严重则造成相邻建筑物破坏，因此对不均匀沉降量的预测具有现实意义。利用地下水动力学的非稳定流原理及土力学基本理论，介绍了基坑降水设计中引起周围地面沉降的实时预测方法，探讨了不同土层在降水过程中孔隙水压力消散对土层固结的影响，通过实例分析了公式中不同参数的取值合理性，编制了相关程序。该方法对分析、预测由于基坑降水所引起的周围地面沉降有一定参考价值。
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| 关 键 词： | 基坑降水 地面沉降 实时预测 |
| 收稿时间： | 2007-03-27 |
Real time prediction of land subsidence caused by foundation pit dewatering |
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| ZHANG Yong,ZHAO Yun-yun. Real time prediction of land subsidence caused by foundation pit dewatering[J]. Rock and Soil Mechanics, 2008, 29(6): 1593-1596 |
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| Authors: | ZHANG Yong ZHAO Yun-yun |
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| Affiliation: | 1.School of Civil & Environment Engineering, University of Science and Technology Beijing, Beijing 100083, China; 2. College of Resources, Hebei University of Engineering, Handan 056038, China |
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| Abstract: | Because foundation pit dewatering causes the readjustment of stresses in soil , it brings uneven settlements and architectural damage of the building around foundation pit; accordingly ,real time prediction of land subsidence caused by foundation pit dewatering has the realistic meaning; by using the theory of unsteady well flow and basic theory of soil mechanics, the real time prediction method of land subsidence has been introduced; the rationalities of different parameters in formula have been analyzed via case study; and it has certain meaning to forecast the land subsidence around foundation pit caused by foundation pit dewatering. |
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| Keywords: | dewatering of foundation pit land subsidence real time prediction of subsidence |
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