Effective calculation method of bolts and its application in rock slopes anchored by bolts

WEI Lide; YE Zhihua; CHEN Congxin; GE Xinmin

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Volume 30 Issue 5

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Chinese Journal of Geotechnical Engineering > 2008 > 30(5): 732-738.

WEI Lide, YE Zhihua, CHEN Congxin, GE Xinmin. Effective calculation method of bolts and its application in rock slopes anchored by bolts[J]. Chinese Journal of Geotechnical Engineering, 2008, 30(5): 732-738.

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Effective calculation method of bolts and its application in rock slopes anchored by bolts

1.State Key Laboratory of Geomechanics and Geotechnical Engineering Institute of Rock and Soil Mechanics Chinese Academy of Sciences Wuhan 430071 China 2.Hurongxi Expressway Construction Headquarter of Hubei Province Enshi 445000 China

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Published Date: May 14, 2008

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Abstract

Abstract

Due to the limitation of the numerical models of rock bolts by finite element method(FEM) in geotechnical engineering,the bolt model for the FEM of strength reduction method and the optimization of anchor parameters was suggested.The model could consider the friction along the bolts.Then the corresponding program for the bolt model was developed.The model was used in the calculation of anchor projects in rock slopes.It was indicated that the model was convenient and feasible,and the applicability of the numerical simulation for the reinforced rock mass was enhanced.
- rock slope,
- bolt,
- finite elements,
- strength reduction