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Keywords: laboratory
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Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-329
... and a quality control system has been established to check the properties of the drains and to supervise the construction process. For vertical drains, both the hydraulic and mechanical properties were checked before installation. Laboratory vertical drain testing devices were developed to measure the...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-257
... ABSTRACT: A substantial part of the central and upper North Island of New Zealand consists of volcanic soil. To date very little data has been gathered on the dynamic properties of this material. A systematic field and laboratory study was under taken at three sites and an extensive amount of...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-071
... lumps of typical dimensions from a few millimetres to a few hundred millimetres. The age of the fills is about 20 to 30 years and over this period they generally remained unsaturated down to the depths of 15 to 20 metres. Laboratory experiments with a model double porosity clayey material revealed high...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-038
.... Geophysical methods present unique advantages, including a strong theoretical basis, the ability to perform the same basic measurement in the laboratory and field, and the noninvasive nature of many of the tests. A brief review of the fundamental concepts of seismic wave testing as applied in geotechnical...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-123
... waste management Washington low hydraulic conductivity Engineering hydraulic barrier asphalt barrier application Waste Isolation US government liner laboratory conductivity asphalt asphalt institute 1976 asphalt concrete barrier hydraulic conductivity environmental engineering...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 10–12, 1990
Paper Number: ISRM-IS-1990-040
... Durham, UK ABSTRACT: Cartridge tools provide a rapid method of making fastenings in the civil engineering construction and mining industries. In this paper the authors describe how a proprietary cartridge tool was used to fire steel fastener studs into rocks both in-situ and in a series of laboratory...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-048
... ABSTRACT: The methodology used for the laboratory measurements of the heat capacity and diffusivity of the rocks interesting a mine having an anomalous terrestrial gradient is presented, explicating the necessity to extend the research to some in situ determination both of the diffusivity and...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-043
... radioactive waste (HAW) disposal. The Delft laboratory of Mining Technology/Rock Mechanics has installed a measuring system consisting of 50 transmitters and 50 receivers combined with two ten-channel transientrecorders for the long term observation and recording of cataclastic effects in the rock salt around...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-015
... ABSTRACT: New methods for the determination of mechanical rock properties in laboratory and in situ are described. The methods make possible speeding up and simplifying the investigations as well as increasing the reliability of the results obtained. Reported is the evaluation method of rock...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-118
... Reservoir Characterization relation caption reservoir geomechanics injection fluid laboratory breakdown pressure MPa hydraulic fracturing Hubbert initial pore pressure experimental result Indiana limestone Poisson wellbore wall equation Upstream Oil & Gas pore pressure...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-037
..., P.G.Meredith, P.R.Sammonds &M.R.Ayling Rock Physics Laboratory, Department of Geological Sciences, University College London, London, UK c.Jones Schlumberger Cambridge Research, Cambridge, UK ABSTRACf: A description is given of the triaxial apparatus in our laboratory, which is capable of achieving the full...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-022
... Jamrani sandstone water content laboratory geophysical behaviour Rock at Great Depth, Maury & Fourmaintraux (eds), © 1989 Balkema, Rotterdam. ISBN 90 6191 9754 Effect of large overburden stress on geophysical behaviour of sandstones Effets d 'une importante contrainte geostatique sur le comportement...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-002
... mechanisms at lower T, σm¹, and r conditions. Salt and potash may be useful analogues in some conditions. Halite (NaCl) and sylvite (KC1) display different deformation processes depending on σm¹, T, and r, but in conditions accessible in the laboratory and the field (σm¹ <70MPa; r<40MPa; T<150°C...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-149
... Bericht: Die Messungen der Eigenschaften der Felsen und Felsgebirgen in groBer Tiefe S.A.F.Murrell Rock and Ice Physics Laboratory, Department of Geological Sciences, University College, London, UK ABSTRACT: This General Report requested by the Organisers actempts to describe the state-of-the-art as...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-100
... production prediction deep reservoir sandstone critical drawdown pressure laboratory Santarelli reservoir sandstone Rock at Great Depth, Maury & Fourmaintraux (eds), © 1989 Balkema, Rotterdam. ISBN 90 61919754 Determination of the mechanical properties of deep reservoir sandstones to assess the...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 12–16, 1988
Paper Number: ISRM-IS-1988-004
... similar characteristics. 6 CONCLUSIONS Both the cross-hole and the laboratory. ultrasonic tests show that, in terms of mean values, the foundation mass can be considered as being adequate, and that the quarrings operations and stress relief due to removal 40m of overburden did not affect the quality of...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 12–16, 1988
Paper Number: ISRM-IS-1988-061
... obtained by two built-in receivers. Laboratory and in situ tests have confirmed the usefulness of this machine. It is applicable for investigations of dams and their foundations. The paper describes the structure of the instrument and presents some test results. INTRODUCTlON To date, many in situ testing...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 12–16, 1988
Paper Number: ISRM-IS-1988-067
...Rock Mechanics andPower Plants, Romana (ed.) <C> 1988 Balkema , Rotterdam. ISBN9061918278 Thennomechanical fracturing of rock: Application to an elementary example in deep geothennics G.Berthomieu& P.Jouanna Civil Engineering Laboratory. Montp ellier, France ABSTRACT: The purpose of lhls sludy In...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 31–September 3, 1986
Paper Number: ISRM-IS-1986-051
... through overcoring, and the Subsequent post-test calibrations of the stressmeters in the laboratory. The estimated in-situ stresses based on post test calibration data are quite consistent with those directly measured in nearby holes. The magnitude of stress change calculated from pre-test calibration...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-135
... SUMMARY: A cycle of laboratory measurements, constitutive modeling and validation calculations is described as a basis for excavation design in rock salt. The results of triaxial creep tests were fitted by a creep model with exponentially decaying transients and power law thermally activated...

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