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Keywords: numerical analysis
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Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-308
... structures are damaged by the residual settlement. laboratory test consolidation behavior pre-loading method loading condition undrained side over-consolidated state consolidation curve numerical analysis OCR oedometer consolidation test effective stress pore water pressure clay layer...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-484
...SLOPE STABILITY ANALYSIS IN BLOCKY ROCK Jean Sulem1, Miguel Cerrolaza2 ABSTRACT In this paper a numerical analysis of slope stability problems in blocky rock is presented with emphasis given to the various possible failure modes (block sliding and/or block tilting). The discontinuous structure...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-504
.... For section 2 with relatively low slope and enough spare area, flattening of the slope is carried out and additional stabilization method is applied afterwards. For section 1, soil nailing is applied as a stabilization method. To check stability of slopes, numerical analysis was carried out. NAIL11 which...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-539
...NUMERICAL ANALYSIS OF ROOF FAILURE MECHANISMS OF CAVITIES IN A SOFT ROCK A. Evangelista1, A. Feola2, A. Flora3, S. Lirer4, R.M.S. Maiorano5 ABSTRACT At the University of Napoli Federico II (Italy), a research program was recently started on the behavior of underground openings in soft rocks...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-516
... been developed to analyze rock masses consisting of distinct blocks in the field of rock mechanics. A comprehensive review of these techniques was presented by Kawamoto and Aydan (1999). The limiting equilibrium analysis by Hoek and Bray (1977) and Aydan et al. (1989) and some numerical analysis...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-551
... Simulation Upstream Oil & Gas numerical analysis stability outflow stage tunnel experiment groundwater condition fine-grained fraction relative density face collapse numerical experiment reservoir geomechanics pore pressure deformation tunnel face sandy ground sand tank experiment model...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-621
... construction in Korea. In this study, ground inspection, geological investigation, laboratory test and numerical analysis by means of finite difference method were carried out. The tunnel excavation was stopped because of over excessive brake of tunnel crown and shotcrete was installed to prevent deformation...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-611
... ABSTRACT: The relevant tunneling methods of various excavation sequences and support systems are reviewed in detail. In addition, a numerical model was established to evaluate the performances of these methods. In the numerical analysis, the strain softening constitutive law of squeezing rocks...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-207
... evaluation rock mass numerical method mean value deformability modulus displacement discontinuity open crack numerical analysis discontinuity assumption analytical solution natural discontinuity crack length specimen MPa expression fracture density 2000. CRC Press. Permission...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 10–12, 1990
Paper Number: ISRM-IS-1990-019
... reservoir geomechanics displacement numerical analysis convergence determination Reservoir Characterization extensometer end point displacement discontinuity method element method measuring point rod extensometer analytical solution Upstream Oil & Gas Computer analysis failure...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 12–16, 1988
Paper Number: ISRM-IS-1988-043
... Ian long has been oonstructed at the depths up to 1.5 Ian in extremely diffioult rock conditions. During the first several years of operation severe damages to the lining occurred in some parts of the tunnel, obviously due to different phenomena in dif- ferent regions. Numerical analysis has been...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-035
... that numerical analysis in rock mechanics must be treated with caution implying that a stepwise refinement of the numerical analysis should be advisable. Relatively simple methods based on manuals are often sufficient. The finite element method (FEM) offers, however, the possibility of describing the geometry...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-041
... in height and 22 m in width. The total volume of the space is about 130,000 cubic meter. Reservoir Characterization reinforcement tension load excavation side wall steel wire Design Procedure underground power station collapse region pre-stressing force displacement numerical analysis...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-132
... structural geology Simulation front face elastoplastic analysis numerical analysis specimen Reservoir Characterization displacement integral equation method mechanical property Artificial Intelligence kuromatsunai mudstone tunnel face soft rock Kobayashi plastic zone deformation...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-118
... device is attatched in the upper left region so as to prevent the floating up of the test specimen when a horizontal load is applied at the top of a given pile. In the numerical analysis, therefore the upper left surface was assumed to be fixed to simulate the constraint condition of the vertical...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-073
... Reservoir Characterization geological section strain distribution geological condition deformability fractured zone loading test rock mass pressuremeter test multi-layered soft rock structural geology numerical analysis soft rock strain analysis plate loading test mudstone...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-129
... face progress numerical analysis time-dependent behavior tunnel equation Proceedings of the International Symposium on Weak Rock /Tokyo /21·24 September 1981 A numerical analysis of tunnelling in soft rocks. K.KAMEMURA & H.KIMURA Taisei Co.. Engineering & Construction. Tokyo. Japan 1...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-109
... relation experiment mechanical property soft rock foundation Reservoir Characterization strength rock foundation failure envelope settlement weathered granite numerical analysis bearing capacity footing structural geology criterion model bearing test soft rock foundation...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 27–29, 1978
Paper Number: ISRM-IS-1978-021
...- sticated rheological models are called for. In order to achieve a more realistic analytical representation, however, a concerted effort is needed on the side both of numerical analysis techniques and of geomechanical in-situ quantitative characterization of foundation rock masses. 1. The structural...

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