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Keywords: coordinate system
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Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-591
... of shield behavior between the simulation results and the observation are reported. shield model simulation result cutter face periphery site test coordinate system Simulation shield periphery jack thrust cutter torque normal earth pressure shield rotation excavation skin plate earth...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 12–16, 1988
Paper Number: ISRM-IS-1988-066
... ABSTRACT: A code for numerical generation of boundary-fitted curvilinear coordinate systems on fields containing any number of arbitrary two dimensional bodies have been developed. Both algebraic generation systems and partial differential equations procedures have been used. For this paper...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 31–September 3, 1986
Paper Number: ISRM-IS-1986-010
... TO GRAVITATIONAL LOADING OF AN ANISOTROPIC ROCK MASS Consider the equilibrium of a flat-lying horizontal elastic rock mass of uniform-density p under gravity alone. The rock mass is assumed to be'' laterally restrained and orthotropic in an x,y,z coordinate system such that the x and y-axes are horizontal...

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