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논문 기본 정보

자료유형
학술저널
저자정보
Showkati, Alan (Faculty of Mining and Metallurgical Engineering, Amirkabir University of Technology) Maarefvand, Parviz (Faculty of Mining and Metallurgical Engineering, Amirkabir University of Technology) Hassani, Hossein (Faculty of Mining and Metallurgical Engineering, Amirkabir University of Technology)
저널정보
테크노프레스 Geomechanics & engineering Geomechanics & engineering 제8권 제3호
발행연도
2015.1
수록면
441 - 460 (20page)

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A new theoretical approach for analysis of stress around a tensioned anchor in rock is presented in this paper. The solution has been derived for semi-infinite elastic rock and anchor and for plane strain conditions. The method considers both the anchor head bearing plate and its grouted bond length embedded in depth. The solution of the tensioned rock anchor problem is obtained by superimposing the solutions of two simpler but fundamental problems: A distributed load applied at a finite portion (bearing plate area) of the rock surface and a distributed shear stress applied at the anchor-rock interface along the bond length. The solution of the first problem already exists and the solution of the shear stress distributed along the bond length is found in this study. To acquire a deep understanding of the stress distribution around a tensioned anchor in rock, an illustrative example is solved and stress contours are drawn for stress components. In order to verify the results obtained by the proposed solution, comparisons are made with finite difference method (FDM) results. Very good agreements are observed for the teoretical results in comparison with FDM.

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