Prediction Algorithm on Direct Loss of Ambient Buildings of Pit Causedby Ground Water Pumping

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Prediction Algorithm on Direct Loss of Ambient Buildings of Pit Causedby Ground Water Pumping

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[1]SONG Jian-xue,sONG Dan-ju,ZHENG Ren-qing.Prediction Algorithm on Direct Loss of Ambient Buildings of Pit Causedby Ground Water Pumping[J].Journal of Zhengzhou University (Engineering Science),2011,32(06):42-45.

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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 32卷 Number of periods: 2011 06 Page number: 42-45 Column: Public date: 2011-11-10

Title:: Prediction Algorithm on Direct Loss of Ambient Buildings of Pit Causedby Ground Water Pumping

Author(s):: SONG Jian-xue1; sONG Dan-ju2; ZHENG Ren-qing3; 1. Sehool of Civil Engineering，Zhengzhou University ， Zhengzhou 450001 , China; 2.Zhengzhou Trade and Industry school,Zhengzhou 450001 ,China; 3. Designing Institute，Zhengzhou University ,Zhengzhou 450002,China

Keywords:: civil engineering construction; pit; groundwater pumping; direct loss; settlement gradient

CLC:: TU46+3

DOI:: -

Abstract:: For a construction pit,when ground water is pumped，the ambient ground sinks,and the buildingson it are damaged. The donut-Analysis method is suggested to calculate the surrounding settlement and settle-ment gradient.Then the function between settlement gradient and building loss percentage is put forward. F-nally,a case study is carried out to verify the validity of the suggested algorithm. It is found that with theground water depth increasing,the building loss increases at the same time. How ever, for a particular build-ing，the loss does not always necessarily rise with the increase of water table depth.

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