| 基坑开敞式降水引起的地面沉降分析 |
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| 引用本文： | 凌晓娟,张平,宋丹举.基坑开敞式降水引起的地面沉降分析[J].平顶山工学院学报,2012(5):9-12. |
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| 作者姓名： | 凌晓娟 张平 宋丹举 |
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| 作者单位： | [1]平顶山市建设工程标准定额管理站,河南平顶山467000 [2]中铁一局集团第四工程有限公司,陕西咸阳712000 [3]郑州工业贸易学校,河南郑州450001 |
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| 摘 要： | 以实证工程为背景,根据现场实测水位、地面沉降,研究基坑开敞式降水与邻近地面沉降的关系。验证了基于二维稳定流理论的降水曲线公式,并在其基础上采用分层总和法确定降水引起的地面沉降。认为郑州东区黄河泛滥沉积工程地质单元上降水沉降计算的修正系数可取0.25～0.35。
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| 关 键 词： | 土木建筑工程施工 基坑工程 降水 沉降 计算模型 |
Study on ground settlement caused by water pumping around construction pit without waterproof diaphragm |
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| LING Xiao-juan,ZHANG Ping,SONG Dan-ju.Study on ground settlement caused by water pumping around construction pit without waterproof diaphragm[J].Journal of Pingdingshan Institute of Technology,2012(5):9-12. |
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| Authors: | LING Xiao-juan ZHANG Ping SONG Dan-ju |
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| Affiliation: | 1.Standard Quota Management Station for Construction Engineering of Pingdingshan,Pingdingshan 467000,China; 2.Fourth Division of No.1 Construction Bureau of China Railway Engineering,Xianyang 712000,China; 3.Zhengzhou Industry Commercial School,Zhengzhou 450001,China) |
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| Abstract: | Taking a project as an example,according to the site measured water level,ground subsidence,the relationship between pit open-precipitation and neighboring surface settlement are studied which validated the precipitation curve formula based on the theory of two-dimensional steady flow and on this basis layered summation method is used to identify the surface settlement by excavation perviousness.The author proposed that the correction coefficient of engineering geological unit excavation perviousness can be 0.25~0.35 for Yellow River flooding deposition in Eastern Zhengzhou. |
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| Keywords: | civil construction excavation engineering precipitation settlement computing model |
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