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Keywords: experiment
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Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-467
... was active during each phase. Before the first phase, the experiment with the passive pressure at rest was made by a small rotation about the toe (0.11 mm). The mass consolidated after the first and second phases during the time interval not shorter than one month. The Figure 1 : Experimental stand...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-551
... by the groundwater conditions. Sand tank experiments prove that the morphological features of face collapse are influenced by the properties of ground and the groundwater conditions. Experimental simulations by mechanical-groundwater flow coupling analysis have been tried based on the finite-difference method...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-583
... with the deformations of the soil skeleton in a physically consistent manner. Upstream Oil & Gas three-phase soil model saturation hydrostatic stress flow in porous media soil skeleton soil model Denote mass balance equation Fluid Dynamics experiment two-phase formulation formulation...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-620
.... Large number of experiments were conducted on specimens of jointed block mass formed out of a rock like model material. The details of the experiments are as follows. EXPERIMENTAL PROGRAMME Experiments were conducted on cubical specimens of jointed block mass of size 15cm x 15cm x 15cm. The typical...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-569
... and passive lateral pressure on curved (circular) shear surfaces by an original Apriori Integration Method {AIM} {Koudelka 1997, Koudelka&Fischer 1999}. displacement Tokyo Koudelka balkema publ lateral pressure underground construction relation Proc experiment geotechnical aspect Upstream...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-151
... of the calculation for 2 different absorption times (40 minutes and 4 hours) is compared with the experimental results on figure 8. The poor fit between the model results and the experiments is probably caused by the difference in the structure between the foam and the soil. Indeed, the soil is a granular material...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-101
... lower consolidation pressure. Three types of experimental study were carried out using clay floes: 1) a gravity dewatering experiment to confirm the changes in the dewatering property of the floes, 2) a constant rate of strain consolidation (CRS) test to investigate consolidation properties under a wide...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-033
... fractures. The path breaking experimental and theoretical research by Griffith (1921) which laid the foundation for fracture mechanics has already been mentioned. Uniaxial experiments regarding propagation of a single crack or fracture in brittle materials were conducted by investigators such as Hoek...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-048
... ABSTRACT: When conducting an experiment in which quantitative measurements of displacements are required it is important that these are obtained with the highest accuracy possible. Often these experiments may require data to be collected remotely. For example, centrifuge model studies where...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-143
... of nonwoven geotextiles and verify the theoretical model proposed by Giroud et al. (1998). A series of experiments with different controlled parameters are carried out to observe the probability distribution of beads received by the container at the base of the apparatus. Variations in these series encompass...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-133
...I n - s i t u c o u p l e d t h e r m o - h y d r o - m e c h a n i c a l e x p e r i m e n t a t K a m a i s h i m i n e M. Chijimatsu1, T. Fujita1, Y. Sugita1, K. Amemiya2 and A. Kobayashi3 Abstract A large-scale in-situ experiment was conducted in Kamaishi mine. The major objectives...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-079
... (Pantazidou, 1991; Graham et al, 1992; Lenhard et al, 1993, Van Geel and Sykes, 1994; and Chevalier, 1998). The focus of these experimental studies has been to obtain quantitative measurements from controlled physical experiments. The objective of this paper is to report on physical modelling at the macro...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-165
... in accordance to GCL environment, mainly the materials which constitute support and confining layers, and the hydraulic head above the defect. We present in this paper the results of in situ and laboratory experiments. To characterise the self-healing potential on a real job site, we have made artificial...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-196
... the surrounding non-atmospheric environment of rock. The environments used in this paper are water vapor and acetone, ethanol, methanol as organic gas and hydrogen as inorganic gas. Furthermore, the experiments, which surrounding environment is changed from water vapor to hydrogen or hydrogen to water vapor...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-172
... with saturation and porosity. For the specimens with a single discontinuity, wet filter paper was sandwiched in the discontinuity, and the experiments were pertormed in the same way 1Harushige KUSUMI ,Dr. Eng .Department of Civil Engineering at Kansai University, Suita ,Osaka, Japan zYoichi HATAKENAKA, MSc. Kinki...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-243
..., g & is the shear strain rate and mint is the minimum undrained strength. Experimental data (Hamada et al. 1994, Kawakami et al., 1994) confirmed that the Bingham model is applicable to the behaviour of liquefied soil. The experiments investigated the viscosity coefficient of liquefied soil from...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-404
... ABSTRACT: This paper describes the findings of an experimental study into the behavior of saturated sands under high initial effective confining stresses subjected to strong ground shaking. Support for the research was by the U.S. Army Centrifuge Research Center and Engineer Earthquake...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-291
... of the excavation and the nails. This was considered a possible condition that could occur in the long-term existence of a soil nailed excavation. EXPERIMENTAL MODEL The experiments formed part of a series of centrifuge tests investigating the behaviour of soil nailing systems by the authors while at the University...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-478
...STUDY ON THE SLOPE STABILITY WITH MOISTURE DISTRIBUTION INFLUENCED BY VEGETATION AT SLOPE FACE Asako Togari-Ohta1, Tomoyasu Sugiyama2 and Hisashi Muraishi3 SUMMARY We performed a series of laboratory experiments using a large-scaled rainfall simulator and the stability analyses, in order to obtain...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-274
... reinforcements. Evaluated results of laboratory and field pullout experiments for steel straps, geotextiles, polymers and nylon geosynthetics are summarised. INTRODUCTION Earth reinforcements are increasingly used in offshore/harbour structures, retaining walls, embankments, landfills, liners, foundations...

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