Composite Elastic Modulus of Anchored Rockmass

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Metal Mine ›› 2008, Vol. 38 ›› Issue (07): 9-11+26.

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Composite Elastic Modulus of Anchored Rockmass

Fang Congyan¹，Zhang Lei²

1.Wuhu Institute of Technology；2.MaSteel Nanshan Mining Co

Received:2008-05-16 Online:2008-07-15 Published:2011-07-16

Abstract

Abstract: The physical and mechanical effects of rockmass anchoring are very obvious.The rockmass strengthened by full length grouted bolt is regarded as a composite body and according to its deformation characteristics when it is stressed，the composite elastic modulus along bolt axial direction and vertical to the bolt axle is deduced by elastic mechanical theory，which is compared with the result obtained by numerical analysis.On this basis，a practical simplified algorithm is given.

Key words: Rockmass, Anchoring, Elastic modulus

FANG Cong-Yan, ZHANG Lei. Composite Elastic Modulus of Anchored Rockmass[J]. Metal Mine, 2008, 38(07): 9-11+26.

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Composite Elastic Modulus of Anchored Rockmass

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