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Total Management System for Earth Retaining Structures Using Observational Method  

오정환 ((주)한국지오컨설턴트)
조철현 ((주)한국지오컨설턴트)
김기웅 (인천전문대학 토목과)
백영식 (경희대학교 토목건축공학부)
Publication Information
Journal of the Korean Geotechnical Society / v.18, no.2, 2002 , pp. 51-64 More about this Journal
Abstract
Observational results of ground movement during the construction were very different from those predicted during the analysis of design step because of the uncertainty of the numerical analysis modelling, the soil parameter, and the condition of a construction field, etc., however accurately numerical analysis method was applied for prediction of ground movement per the excavation step. Therefore, the management system through the construction field measurement should be achieved for grasping the situation during the excavation. Until now, the measurement system restricted by 'Absolute Value Management system'analyzing only the stability of present step has been executed. So, it was difficult to expect the prediction of ground movement fur the next excavation step. In this situation, this study developed 'The Management system TOMAS-EXCAV'consisted of 'Absolute value management system'analyzing the stability of present step and 'Prediction management system'expecting the ground movement of next excavation step and analyzing the stability of next excavation step by 'Back Analysis'. TOMAS-EXCAV could be applied to all the uncertainty of earth retaining structures analysis by connecting 'Forward analysis program'and 'Back analysis program'and optimizing the main design variables using SQP-MMFD optimization method through measurement results. The applicability of TOMAS-EXCAV was confirmed by back analysis selecting two earth retains construction fields.
Keywords
Back analysis; Excavation; Observational method; Optimum method;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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