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Keywords: Anchor
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Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-076
... and distribution of fissuring. The paper describes the experience gained from selected underground construction projects in the Copenhagen area, specifically for the passive uplift anchors/tension piles that are often uses as a means to resist uplift forces resulting from the porewater pressure exerted...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-088
... reservoir geomechanics sea level shotcrete land reclamation cavern lining hydro power plant obervermuntwerk ii excavation obervermuntwerk ii Reservoir Characterization Upstream Oil & Gas anchor grid Anchor tunnel cross section construction internal diameter Power House Cavern Rock...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-006
...?? ABSTRACT: For the construction of the Untersberg cable car in 1961, the foundations of pillar 1 had to be tied back against the steep rock flank of the East face of the mountain with nine prestressed anchors. Since then, regular monitoring and two lift off tests have been carried out in order...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-027
... be observed at the end of August 1978. 1.3 1979-1982 The first step towards stabilizing the embankment toe was the installation of 19 T-bar shaped diaphragm wall elements, the toes of which were designed to reach about 18 m into the soil and were deep-anchored with two anchors of approx. 38 m length. In spite...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-202
... and anchoring rock to eliminate discontinuity aperture, decreasing the hydraulic conductivity and bonding fissures using efficient, cost-effective methods and materials. This stage of project was followed by blasting. Throughout the duration of work, various tests were undertaken (e.g. Lugeon test) and data...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-090
... shotcrete Anchor Upstream Oil & Gas numerical analysis MPa metro station fracture upward weakness zone monitoring west track tunnel extensometer instrument shaft matinkylä station excavation stress field station hall installation Rock Engineering and Rock Mechanics: Structures...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2013, October 23–26, 2013
Paper Number: ISRM-EUROCK-2013-140
... meters deep vertical pit, descending underground from Helbronner Peak station, and the second which is a 160 meters long sub horizontal tunnel emerging at Torino Refuge. The vertical pit will also perform as a deep shaft foundation for the heavy loads required by rope anchors. On the top of Helbronner...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2013, October 23–26, 2013
Paper Number: ISRM-EUROCK-2013-089
... in the extension and retraction of anchors in the overburden and significant deformation of the profile. 1 Introduction Even with the existing knowledge and experience of underground excavation of coal seams in the difficult mining and geological conditions of the Ostrava- Karvina coal mining district (the OKR...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2010, June 15–18, 2010
Paper Number: ISRM-EUROCK-2010-151
... infrastructure Network Rail sandstone closure London remedial design railway rock face Anchor cable rail transportation inspection maintenance disruption Design Methodology construction ground transportation mudstone rock slope remedial work potential failure installation...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2010, June 15–18, 2010
Paper Number: ISRM-EUROCK-2010-105
... category rock category Anchor categorization rock mass category rock mass tunnel Chainage hepp mostarsko blato headrace tunnel excavation construction calotte Thickness shotcrete execution support system headrace tunnel primary support system Rock Mechanics in Civil and Environmental...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2009, October 29–31, 2009
Paper Number: ISRM-EUROCK-2009-004
... philosophy which has proved suitable for nearly 40 years. Upstream Oil & Gas joint filling Anchor bridge pier Engineering residual shear strength internal friction unstable slope strength Long-term Monitoring contingency plan construction installation Reservoir Characterization...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2009, October 29–31, 2009
Paper Number: ISRM-EUROCK-2009-091
... micrometer measurement measurement Point portable magx wave guide Upstream Oil & Gas site characterization RHX position magnet Anchor extensometer reverse head extensometer borehole magnetic field monitoring Reservoir Characterization displacement information tunnel face...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2009, October 29–31, 2009
Paper Number: ISRM-EUROCK-2009-131
... analyses, were performed on the site. The aim of investigations was to establish engineering-geological characteristics of the examined slope, reasons of instability, and to propose rehabilitation measures on the analyzed location. hydraulic fracturing discontinuity Anchor rock mass fracture...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2009, October 29–31, 2009
Paper Number: ISRM-EUROCK-2009-126
... suspension bridge, spanning some 470 m between anchor tow- ers. This bridge was to feature a single suspension cable and two wind cables, all requiring anchorage into karst limestone, and was required to carry four pipelines and a trolley for personnel access (Fig. 2). Because of the extreme topography...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-048
... of the anchored support wa I I; occurrence of a longitudinal crack developed on the berm between the anchored wa II and the slope; spots indicating saturation of the slope soils; and localized settlements on some zones of the road pavement. The specific monitoring system consisted of the devices as follows...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-042
.... The observations are available for a sufficiently long period of time. A typical MPBX data plot between relative displacement of anchors and time is shown in Figure 4. It may be mentioned here that the displacement of various anchors in MPBXs is with respect to the mouth piece fixed on the exposed periphery...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-071
... anchors to a depth of 8 m and by a pliable concrete vault of 0,7 III thickness with two functional joints. The walls were supported by anchors of two types. The temporary support was provided by deep-seated anchor rods connected with the massi f only in the face area of the opening. Between the anchor 636...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 96, September 2–5, 1996
Paper Number: ISRM-EUROCK-1996-126
... displacement vault excavation load variation settlement construction strength variation Anchor support system Reservoir Characterization Upstream Oil & Gas structural model characteristic fractured rock mass observational method means rock mass excavation phase deformation Eurock '96...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 96, September 2–5, 1996
Paper Number: ISRM-EUROCK-1996-063
... Upstream Oil & Gas Sykia Damsite Anchor construction orientation prestressed anchor instability limestone installation Eurock '96, Barfa (ed.)f[) 1996 Balkema, Rotterdam. ISBN 905410 843 6 Excavation and support of a rock slope in Sykia damsite, Greece Excavation et sou tenement d'un talus...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 93, June 21–24, 1993
Paper Number: ISRM-EUROCK-1993-007
... Hilfe der elasto-viskoplastischen Blocktheorie ChenS.H. Wuhan University of Hydraulic and Electrical Engineering, Hubei, P.R. China ~BSTRACT: In this paper, we propose a set of basic equations of elastic-viscoplastic block theory which takes the prestressed anchors, piles and shear keys into account...

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