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Journal of Zhejiang University SCIENCE A 2004 Vol.5 No.7 P.884~889

http://doi.org/10.1631/jzus.2004.0884


Numerical method to determine mechanical parameters of engineering design in rock masses


Author(s):  XUE Ting-he, XIANG Yi-qiang, GUO Fa-zhong

Affiliation(s):  Traffic Engineering Institute, Zhejiang University, Hangzhou 310027, China; more

Corresponding email(s):   Xuetinghe@sohu.com

Key Words:  Continuous micro-element, Orthogonally-jointed rock, Engineering in rock masses, Mechanical parameters


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XUE Ting-he, XIANG Yi-qiang, GUO Fa-zhong. Numerical method to determine mechanical parameters of engineering design in rock masses[J]. Journal of Zhejiang University Science A, 2004, 5(7): 884~889.

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Abstract: 
This paper proposes a new continuity model for engineering in rock masses and a new schematic method for reporting the engineering of rock continuity. This method can be used to evaluate the mechanics of every kind of medium; and is a new way to determine the mechanical parameters used in engineering design in rock masses. In the numerical simulation, the experimental parameters of intact rock were combined with the structural properties of field rock. The experimental results for orthogonally-jointed rock are given. The results included the curves of the stress-strain relationship of some rock masses, the curve of the relationship between the dimension Δ and the uniaxial pressure-resistant strength σc of these rock masses, and pictures of the destructive procedure of some rock masses in uniaxial or triaxial tests, etc. Application of the method to engineering design in rock masses showed the potential of its application to engineering practice.

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Reference

[1] Cheng, Z.D., He, M.C., 1989. Experiment of Engineering Geology Mechanics and Discussion of Some Theory Problems. Beijing Graduate of China University of Mining and Technology and First Petroleum Factory of Petroleum Chemical Industry Company of Fushun, Beijing University Press, China, p.3-25 (in Chinese).

[2] He, M.C., 1991. Continuity of Engineering Rock Masses: Thesis Collection for Post-doctor of China. Beijing University Press, China, p.18-25 (in Chinese).

[3] Hudson, J.A., 1997. Engineering Rock Mechanics. Redwood Publishing Company, England, p.15-58.

[4] Sun, G.Z., 1980. Structural Mechanics of Rock Masses. Science Press, China, p.121-154 (in Chinese).

[5] Tang, C.A., 1997. Numerical simulation on progressive failure leading to collapse and associated seismicity.Int. J. Rock Mech. & Min. Sci.,34(2):249-261.

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