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2007•Yunnan MetallurgyRequires access

Study on the Relation between Post-Peak Rock Dilatancy and Confining Pressure

Linfeng Li

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Abstract

Huge deformation of wall rock has a strong impact on the stability of roadway in many underground opening engineering.This large deformation is called for rock dilatancy if volume dilation only occurs owing to stress redistribution.There is an immanent relation between rock dilatancy and confining pressure,the function of the relation is studied by theoretical method and experimental method,and it will be a guide for stability analysis and support design.

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What this paper is about

Huge deformation of wall rock has a strong impact on the stability of roadway in many underground opening engineering.This large deformation is called for rock dilatancy if volume dilation only occurs owing to stress redistribution.There is an immanent relation between rock dilatancy and confining pressure,the function of the relation is studied by theoretical method and experimental method,and it will be a guide for stability analysis and support design.

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Available abstract

Huge deformation of wall rock has a strong impact on the stability of roadway in many underground opening engineering.This large deformation is called for rock dilatancy if volume dilation only occurs owing to stress redistribution.There is an immanent relation between rock dilatancy and confining pressure,the function of the relation is studied by theoretical method and experimental method,and it will be a guide for stability analysis and support design.

Key concepts: Dilatant, Geotechnical engineering, Overburden pressure, Geology, Deformation (meteorology), Oceanography

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