1-19 of 19
Keywords: extensometer
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-533
... consideration. Figure 1: Central view in powerhouse cavern Figure 2: Deformation plot of AE-1 Figure 3. Typical deformation measurement of Drainage tunnel at station 0 + 250 chainage Excavation responses of various geological strata in the arch cavern were monitored by multiple bore hole extensometers. Multi...
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 10–12, 1990
Paper Number: ISRM-IS-1990-035
... the bulked, fragmented rock. Upstream Oil & Gas borehole subsidence extensometer experiment knowledge management coal peak particle velocity Anchor case study extensometer hole strata stabilisation burial depth Drilling equation metals & mining blast hole hole 2...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 10–12, 1990
Paper Number: ISRM-IS-1990-005
.... reservoir geomechanics information identification knowledge management extensometer instrumentation program Upstream Oil & Gas shear zone contractor Reservoir Characterization Effectiveness powerhouse underground instrumentation safety factor excavation tunnel hardware abutment load...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 12–16, 1988
Paper Number: ISRM-IS-1988-035
... intended to make the best use of such data during construction, in order to optimize the construction tech niques and the final design. - So, priority was given to the determina- tion of parameters which, in a simple and 293 Fig.! General plan of Torrao hydroelectric scheme EF 0 EP - ROO EXTENSOMETER Fp...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 12–16, 1988
Paper Number: ISRM-IS-1988-001
... structural geology variation nuclear power plant moisture content change marl Reservoir Characterization calculation sandstone extensometer moisture content characteristic excavation conglomerate coefficient emergency evaluation hypothesis suction elevation Rock Mechanics...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 12–16, 1988
Paper Number: ISRM-IS-1988-022
... anchors to the horizontal. Preliminary predictions of the extensometer displacements are presented in the paper. INTRODUCTION The fini te-element stress analysis of the Thissavros powerhouse cavern on the Nestos river in Greece is presented in this paper. The finite element analysis defines the...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 31–September 3, 1986
Paper Number: ISRM-IS-1986-070
... was monitored with extensometers. Very small deformations of a few millimeters were measured which were comparable with the calculated results. Résumé: On construit actuellement à Forsmark, en Suède, un dépôt central pour les déchets radioactifs de radioactivité basse ou moyenne des centrales...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-039
..., the Norwegian Institute of Technology, has for many years performed such measurements. In this case the doorstopper is the common method, as the stress acting parallell to the measuring hole at or near the surface of the roof is zero or very small. Upstream Oil & Gas borehole extensometer...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-048
... transportation Upstream Oil & Gas calculation Reservoir Characterization ground transportation cavern deformation modulus underground station huvudsta interpretation rock mechanical measurement Station Huvudsta stress field rock mass instrumentation reservoir geomechanics extensometer...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-025
... stress conditions were undertaken in special tunnel recesses during the construction of the Access Tunnel. Mathematic models of Finite Elements (FEM)and Boundary Elements (BEM) were applied to predict any deformations surrounding the cavern. Mechanical and electrical extensometers and load cells for...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-054
... Reservoir Characterization Thickness shotcrete underground feature extensometer penstock MPa excavation shaft Upstream Oil & Gas rock face lining bifurcation reservoir geomechanics tunnel construction cartridge Power Tunnel concrete lining steel liner rock mass...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-066
... work stoppages, the rock was seldom unsupported for more than 16 to 20 hours. Reservoir Characterization Upstream Oil & Gas mudstone diameter gauge extensometer liner west wall shaft reservoir geomechanics concrete liner shale stress change shaft bottom embedment gauge stress...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-046
... and shotcrete. Rock mass Conditions are followed with precise levellings and extensometers during and after the construction stage. ZUSAMMENFASSUNG: InTampere baut man eine Gebirgsschutzraum, wo zwei Eishockeybahnen fuer Zivilgebrauch liegen werden. Sie ist eine Einzelhalle mit einer Spannweite...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-088
... SLOPE PROFILE AND PORE PRESSURE Fig.2 is the example of extensometers in 1975, 1976,1978. In the figure the extens- ion/compression observed by each extensomet- er is accumulated from the end of the ex- tensometer line. A right/up line shows extension and a right/down line shows com- pression. Since...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-165
... Characterization extensometer Rock mechanics drilling fluids and materials floor heave pressure 0 reservoir geomechanics strength Rotterdam excavation construction int extrapolation strain diagram foam material Upstream Oil & Gas axial stress heave loading curve tunnel deformation...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 27–29, 1978
Paper Number: ISRM-IS-1978-013
... SUMMARY This paper deals with the computation of the geomechanical parameters of the basaltic foundation of Aqua Vermelha concrete dam, from the deformation measurements of the multiple position rod extensometers and joint measurement devices. These extensometers were installed in the...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 27–29, 1978
Paper Number: ISRM-IS-1978-035
... cement ratio extensometer dense basalt vertical movement Fluid Dynamics communication water take determination foundation treatment absorption water pressure test rock mass foundation water injection PILOT GROUTING TEST IN SOME DAM SITES IN BRAZIL FLAVia MIGUEZ DE MELLO, Eng. - ENGE-RIO...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 27–29, 1978
Paper Number: ISRM-IS-1978-036
... Oil & Gas subsoil tarbela Anchor anchor head bearing plate bond length grout rock anchor extensometer strand diameter anchorage protection tube test anchor construction test load cement grout measuring means ROCK ANCHORS FOR THE SECURING OF STILLING BASIN Nl!3, TARBELA DAM...

Product(s) added to cart

Close Modal