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Keywords: cable
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Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-147
... theory cable climate change fracture crack06 node bavarian ministry hochvogel crackmeter logger Mechanics and Rock Engineering, from Theory to Practice IOP Publishing IOP Conf. Series: Earth and Environmental Science 833 (2021) 012146 doi:10.1088/1755-1315/833/1/012146 High alpine...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-136
... Mine is given in Fig. 1 with locations of subsidence monitoring stations. Reservoir Characterization stope back prediction reservoir geomechanics timber square monitoring subsidence strain bar wall movement Fluid Dynamics cable bolt tensile strain ore body stope height metals...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-078
... the compo- nents of the force acting on cables and the maximum displacement during the filling of barrier. The load is considered as a sum of a dynamic (qd) and a static (qs) component as it is shown in the following equations: where = dynamic coefficient; f = density of the debris in kg/m3; vf = flow...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-178
... Abstract Pillars in mines are conservatively designed by means of empirical approaches or numerical methods. However, some pillars may become unstable during mining operations. To investigate the possibility of cabling pillars as a means of controlling their stability, a number of typical rock...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-069
... Brillouin Optical Time Domain Reflectometer (BOTDR) and optical fiber cables. The tests show that fiber optical technology could be used as a monitoring tool and is useful in determining slope movement throughout a fiber array. The results of this study are expected to be used in risk assessment studies...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-171
... Upstream Oil & Gas Rock mechanics cable bolt cable Reservoir Characterization strength strand load transfer mechanics metals & mining Moosavi axial displacement grouted cable bolt reservoir geomechanics displacement cable grout interface rock mass stress change bond...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2013, October 23–26, 2013
Paper Number: ISRM-EUROCK-2013-123
... Rockfall barrier Rockfall barriers are generallycomprised of a number of components: – steel posts (support structure), spaced from 8 to 12 m; – upper and lower longitudinal steel cables; – lateral and upslope steel bracing cables; – energy dissipation devices, able to increase the energy...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2013, October 23–26, 2013
Paper Number: ISRM-EUROCK-2013-064
... steel cables with inelastic brake elements and steel posts. They are used to stop falling rocks in mountain regions in order to protect people and infrastructure. The rock-fall system investigated in this paper has been tested according to the European Standards (ETAG027, 2008).The fulfillment...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2013, October 23–26, 2013
Paper Number: ISRM-EUROCK-2013-107
... in coherence with the loading rate and the induced state of stress. drilling operation segalini maximum force mechanical behavior brake deformation Engineering retention barrier flexible barrier cable mechanics Upstream Oil & Gas displacement debris flow Energy Balance horizontal...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2012, May 28–30, 2012
Paper Number: ISRM-EUROCK-2012-069
... with a resolution of 0.1 MHz, which correspond to a strain resolution of ~2 ? (microstrain) and temperature resolution of 0.1°C. Figure 1. Schematic of the monitoring system Measurement accuracy claims from the equipment supplier are 20 ? for strain and 1°C for temperature. Communication cables used are standard...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2010, June 15–18, 2010
Paper Number: ISRM-EUROCK-2010-141
... and localize discrete deformation zones with high accuracy. AsTDR measurements are influenced by a great variety of parameters, as for instance the used coaxial cable and grout type, they often are ambiguous, thereby hindering the quantification of the deformation. By the definition of calibrated installation...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2010, June 15–18, 2010
Paper Number: ISRM-EUROCK-2010-151
... lines and the rock slope on the south side of the cutting. However, the northern side of the cutting is close to the tracks, less than 2m in some locations. Between the tracks and the northern rock face cables for the railway signals and telecommunications are present. 2.2 Failure mechanisms In February...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2009, October 29–31, 2009
Paper Number: ISRM-EUROCK-2009-094
... and supporting design ideas of tailgate and maingate should be changed from loading control to deformation control. stress Redistribution maingate side interval-row space testing study structural geology mechanical feature Observation Point cable Reservoir Characterization displacement coal seam...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2009, October 29–31, 2009
Paper Number: ISRM-EUROCK-2009-126
... Abstract The world's highest suspension bridge has been constructed across a 500 m deep canyon in karst at a remote location in Papua New Guinea to carry oil pipelines across the Hegigio River. The bridge has a main suspension cable and two wind cables, each cable requiring anchorage...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2005, May 18–20, 2005
Paper Number: ISRM-EUROCK-2005-093
... conception of instrumentation The conical strain gauge probe (CSGP) for overcon~~ experiment IS designed as an autonomous II1strumv with cordless optical data transmission between com- munication device connected by cable to the data·thln recorder - see Figure 2. The CSGP bonded up wu borehole scans...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-045
... design rock roof cable ROCKBOLT SUPPORT OF CAVERN ROOFS BASED ON ANALYTICAL SOLUTIONS HUANG, ZIPING Rogaland Research, Stavanger, Norway, zipping.huangtiirf.no BRaCH, EINAR Norwegian University of Science and Technology, Norway, einar.brochtiigeo.ntnu.no LU,MING SINTEF Civil and Environmental...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 96, September 2–5, 1996
Paper Number: ISRM-EUROCK-1996-135
... ABSTRACT: The reinforcement of large underground mining cavities is more and more realised with the help of cable boiling. Geotechnical investigations and research of appropriate modelling methods have been carried out in two european mines, using cable bolting, in order to improve...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 93, June 21–24, 1993
Paper Number: ISRM-EUROCK-1993-011
... ABSTRACT: The bond mechanism of grouted cable bolt support in rock is primarily frictional and dilational and is sensitive to grout quality, rock stiffness and stress changes in the rockmass. A model incorporating these parameters has been developed and calibrated to predict ultimate bond...

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