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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-2000-291
... variation in groundwater, resulting in a reduction of effective stress in the soil. Nine centrifuge model experiments were performed investigating the influence of reducing the effective stress within the model by water inundation. The models tested were 1/10th scale. The full-scale prototype excavation was...
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...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-495
... occurrence of rainfall-induced slope failures. The experiments consisted of detailed observations of failure process and change in moisture content, with particular emphasis on the measurements of moisture content at failure initiation. PROPERTIES OF EXPERIMENTAL SOIL In the experiments, two different types...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-445
... forms part of a program into the development of a real-time continuous fibre optic inclinometer. The investigation consisted of the establishment of experimental set-up and procedure, and the development of error functions to evaluate the measurement data. The set-up of experiment and the evaluation...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-350
... tests was carried out at the Road Testing Centre (CER) in Rouen. All the experimental results are presented here, together with a validation procedure for the proposed design method by means of a special test. FIRST FULL-SCALE EXPERIMENTS IN THE TGV AREA Experimentation The full-scale experiments were...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-528
..., the experiment was failed. After that, the experiments on the sublevel caving technique in the thick steep seams were separately done in some coal mines and all were successful. In 1990, the top-coal caving experimental research on the gently inclined thick coal seam was done in Luan coal mine...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-467
... 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 with transparent lateral sides. The retaining wall...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-551
... experiment model ground EXPERIMENTAL STUDY AND NUMERICAL ANALYSIS ON THE STABILITY OF TUNNEL FACE IN SANDY GROUND Takehiro Ohta1, Hideo Kiya2, Tetsuro Esaki3 and Yujing Jiang4 ABSTRACT Stability of tunnel faces in sandy ground is influenced not only by the mechanical properties of the ground but also by...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-583
... water saturation SW is defined in terms ofthe capillary stress (3) as (10) -drying I -wetting -re-drying Figure 3 : Saturation - suction relationship [3] OL 0.0 S; Degree of saturation S,w 1.0 p ~ (10) can be determined from experiments for the relationship between the matrix suction s and SW, shown in...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-620
... conditions of joints to give freedom to adopt any mode of failure. 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...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-569
... 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-2000-404
... 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-2000-133
...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 of this...
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
... 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
... 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, are performed. From the experimental results, it is concluded...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-172
... experiment well logging rock mass single discontinuity effective porosity resistivity measurement rock specimen filter paper resistivity value assessment discontinuity saturation resistivity OIARACIERIZATION OF ElECIRICAL RESBI1VIlY FOR INfACf AND JOINIID SPECIMENS AND ITS APPUCAllON FOR IN...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-243
... is the yield viscosity coefficient, 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...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-151
...-4 m/s). The result 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...

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