Discs and boulders

The TBM disc cutters are commonly used to cut hard blocks, however, litte is known regarding mechanisms in highly heterogeneous bouldery ground. Thus, a range of full-scale tests have been performed using a linear cutting machine at the Colorado School of Mines (CSM). In simulating full-scale rock c...

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Main Authors: D. S. Kieffer, C. Leelasukseree, G. G W Mustoe
Format: Trade Journal
Published: 2018
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Online Access:https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=57649205740&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/60417
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Institution: Chiang Mai University
id th-cmuir.6653943832-60417
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spelling th-cmuir.6653943832-604172018-09-10T03:42:09Z Discs and boulders D. S. Kieffer C. Leelasukseree G. G W Mustoe Engineering The TBM disc cutters are commonly used to cut hard blocks, however, litte is known regarding mechanisms in highly heterogeneous bouldery ground. Thus, a range of full-scale tests have been performed using a linear cutting machine at the Colorado School of Mines (CSM). In simulating full-scale rock cutting conditions, the Linear Cutting Machine (LCM) at the Earth Mechanics Institute of CSM is used. The LCM is proven effective in developing accurate performance estimates for different cutting tools. Laboratory tests performed on nine boulders included Unconfined Compressive Strength (UCS), Brazilian Tensile Strength (BTS), static elastic constants tests, and triaxial shear tests. The summary test results concentrates on behavioural modes exhibited by boulders embedded in the stiffest and softest sand grout matrices in order to emphasize basic differences with respect to the behaviour of blocks embedded in matrix materials of significantly different strength and stiffness. 2018-09-10T03:42:09Z 2018-09-10T03:42:09Z 2008-11-01 Trade Journal 0041414X 2-s2.0-57649205740 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=57649205740&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/60417
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
topic Engineering
spellingShingle Engineering
D. S. Kieffer
C. Leelasukseree
G. G W Mustoe
Discs and boulders
description The TBM disc cutters are commonly used to cut hard blocks, however, litte is known regarding mechanisms in highly heterogeneous bouldery ground. Thus, a range of full-scale tests have been performed using a linear cutting machine at the Colorado School of Mines (CSM). In simulating full-scale rock cutting conditions, the Linear Cutting Machine (LCM) at the Earth Mechanics Institute of CSM is used. The LCM is proven effective in developing accurate performance estimates for different cutting tools. Laboratory tests performed on nine boulders included Unconfined Compressive Strength (UCS), Brazilian Tensile Strength (BTS), static elastic constants tests, and triaxial shear tests. The summary test results concentrates on behavioural modes exhibited by boulders embedded in the stiffest and softest sand grout matrices in order to emphasize basic differences with respect to the behaviour of blocks embedded in matrix materials of significantly different strength and stiffness.
format Trade Journal
author D. S. Kieffer
C. Leelasukseree
G. G W Mustoe
author_facet D. S. Kieffer
C. Leelasukseree
G. G W Mustoe
author_sort D. S. Kieffer
title Discs and boulders
title_short Discs and boulders
title_full Discs and boulders
title_fullStr Discs and boulders
title_full_unstemmed Discs and boulders
title_sort discs and boulders
publishDate 2018
url https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=57649205740&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/60417
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