2009•Chinese journal of rock mechanics and engineeringRequires access

SLOPE DEFORMATION CHARACTER ANALYSIS BASED ON MONITORING RESULTS OF MULTIPLE MULTI-POINT BOREHOLE EXTENSOMETER

Deng Jianhui

Abstract

Based on engineering practice,the displacement-time,displacement-depth and deformation-speed curves are adopted to analyze monitoring results from points in time and space. In order to obtain a comprehensive analysis of the slope deformation,the monitoring results of instruments installed in different places are compared. Generally speaking,the character of excavating slope deformation becomes larger with the decrease of the altitude. However,the character of deformation of soft rock is different. In fact,the impacting factors of deformation are various in practical projects;therefore,it is necessary to understand deformation mechanism under various factors by means of geological information combining with construction progress and patrol result in order to estimate the stability state of slope.

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Key concepts: Extensometer, Deformation (meteorology), Deformation monitoring, Displacement (psychology), Borehole, Geology, Geotechnical engineering, Character (mathematics)