A Constitutive Model of Anchored Jointed Rock Mass and its Application

Li, Xiao Jing; Yang, Wei Min; Zhu, Wei Shen; Li, Shu Cai; Sun, Ai Hua

doi:10.4028/www.scientific.net/AMR.33-37.657

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Home Advanced Materials Research Advances in Fracture and Materials BehaviorA Constitutive Model of Anchored Jointed Rock Mass...

A Constitutive Model of Anchored Jointed Rock Mass and its Application

Abstract:

The jointed rock mass distributed in the nature widely and its mechanical characteristic influenced the stability of the rock engineering badly. The cracks propagated and coalesced each other and macroscopic failure happened. Bolts were a kind of effective reinforcement instrument and they could prevent the cracks from propagating. However, the anchoring mechanism of bolts was not realized clearly and their reinforcement could not be reflected effectively in the numerical simulation yet. Based on the damage mechanics, a constitutive relation and damage equation of anchored jointed rock mass were presented in this paper. With a project application, the model was proved to be feasible one.

Info:

Periodical:

Advanced Materials Research (Volumes 33-37)

Main Theme:

Advances in Fracture and Materials Behavior

Edited by:

Wei Yang, Mamtimin Geni, Tiejun Wang and Zhuo Zhuang

Pages:

657-662

DOI:

10.4028/www.scientific.net/AMR.33-37.657

Citation:

X. J. Li et al., "A Constitutive Model of Anchored Jointed Rock Mass and its Application", Advanced Materials Research, Vols. 33-37, pp. 657-662, 2008

Online since:

March 2008

Authors:

Xiao Jing Li, Wei Min Yang, Wei Shen Zhu, Shu Cai Li, Ai Hua Sun

Keywords:

Anchored Jointed Rock Mass, Bolt, Constitutive Model, Damage Evolution Equation

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$35.00

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