1-20 of 62
Keywords: diameter
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 – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-072
... strength envelope lining reservoir geomechanics segmental tunnel lining segmental lining rock engineering carrieri geodata engineering spa engineering practice iop publishing iop conf mechanism theory diameter Mechanics and Rock Engineering, from Theory to Practice IOP Publishing IOP Conf...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-011
... Abstract Tensile strength of brittle materials is usually obtained through Brazilian tests. It is accepted that failure is initiated at the centre of the sample and that it propagates through the material, creating a tensile failure plane along the vertical diameter or at the majority...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-018
... and 84 mm diameter granite specimens, with various confinements (0.2 to 15 MPa), so reliable estimates of Hoek-Brown strength were obtained for every scale. We compare results with previous studies on UCS scale effects, showing a good correlation. Results suggest the studied granite undergoes a reverse...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-113
... probability rock engineering poisson theory united states government probability environmental science 833 equation 4 mortar geologist reservoir geomechanics strength fragmentation prediction diameter Mechanics and Rock Engineering, from Theory to Practice IOP Publishing IOP Conf. Series...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-128
... for shaft excavation in different projects. Raise boring provides a safe means of excavating a circular hole between two levels of a mine without the use of explosives. A raise boring machine (RBM) is set on a platform on the upper level to drill a small hole (around 230-350 mm) compared to reaming diameter...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-139
... engineering underground quarry interpretation electrical industrial apparatus reservoir characterization environmental science 833 theory diameter pillar instrument sensor Mechanics and Rock Engineering, from Theory to Practice IOP Publishing IOP Conf. Series: Earth and Environmental Science 833...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-147
... Abstract A new series of double shear tests were carried out using a newly modified double shear apparatus which prevented contacts between concrete block surfaces during shearing. 13 double shear tests were carried out using 21 mm diameter 19 (9 × 9 × 1) seal construction wire strand cable...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-031
...) on the inner surface at the left and right hole's boundary is observed, due to the high compressive stress concentration on these regions. The more the material is brittle, the more apparent are the V-shaped notches at the left and right of the hole. reservoir geomechanics Simulation diameter BPM...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-120
... rate of 0.2 kN/s. Tests are performed on different diameters samples and desirable failure modes are recorded. Tensile strength values recorded at slow loading are obtained to be different for specimen having different diameters. However, strength of rock in engineering problems like blasting, mining...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-151
... Reservoir Characterization laboratory test Germany structural failure structural geology inclination numerical modeling Mendig principal stress stability assessment basalt diameter pillar mining discontinuity rock sample Rock Mechanics and Rock Engineering: From the Past to the Future...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-152
... ABSTRACT: Convergence measurements recorded for a drift excavated in two stages in Callovo-Oxfordian claystone are analyzed. In the first stage the drift is excavated with a diameter of 3.8 m. Then, three months later, the drift is over excavated to a final diameter of 5.2 m. In-situ...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-154
... & Gas experimentation diameter different location classification material property lining rock mass deformation soft rock unlined tunnel tunnel Rock Mechanics and Rock Engineering: From the Past to the Future Ulusay et al. (Eds) © 2016 Taylor & Francis Group, London, ISBN 978-1-138-03265...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-205
..., – Maintain and protect the struts of walls during the blasting. risk management frequency rock slab Upstream Oil & Gas subway station urban environment diaphragm wall concrete diaphragm wall ground transportation Densely alah station diameter executive schedule hydraulic rock...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-060
... risk assessment displacement diameter rock formation axisymmetric model dacite rock quality numerical modeling mineralization limestone Rock Mechanics and Rock Engineering: From the Past to the Future Ulusay et al. (Eds) © 2016 Taylor & Francis Group, London, ISBN 978-1-138-03265-1...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-061
... Igneous complex is 66 000 km 2 and ranges from 7 to 9 km thick. metals & mining Efficiency structural geology Reservoir Characterization Upstream Oil & Gas reservoir simulation resin bolt diameter pre-tensioned tendon excavation shallow bord borehole camera primary support...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-058
... Upstream Oil & Gas borehole pressure contact stress bolt-rock interface Reservoir Characterization bolt tube diameter original diameter inflatable bolt pump pressure displacement installation pump pressure borehole wall borehole diameter installation secondary contact stress...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-048
..., Brisevac et al. 2015, Markides & Kourkoulis 2013). Because the Brazilian discs fail under biaxial stress conditions, including tangential stress (σ θ ) along the horizontal diameter of the disc and compressive radial stress (σ r .) along the vertical diameter of the disc, the Brazilian test has...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-053
... is the Schmidt hammer. Researchers have developed many approaches to use Schmidt hammer. One of these approaches is the measuring surface from points which far away from another point just as diameter of flange of Schmidt hammer. In this study, eight carbonate rock samples from different regions of Turkey...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-088
..., which is about 300 m below the Silvretta reservoir, will utilize the existing water capacities of the Vermunt and Silvretta reservoir to generate peak and balancing energy. The water from the Silvretta reservoir feeds the underground power house cavern through a 170 m inlet tunnel with a diameter of 6.8...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-118
... investigation Plaster hydraulic fracturing simulation result hole diameter BPM numerical model ahsc Simulation diameter boundary cavity fracture axial stress initiation shear crack granite compression ABSTRACT: In this paper, a numerical investigation is performed for the size and stress...

Product(s) added to cart

Close Modal