... rights only drilling & drillholes energy transfer efficiency finite-element methods finite-element modelling geotechnical engineering impact rock breaking mechanical specific energy numerical simulation strain rate effect stress waves National Natural Science Foundation...

... 02 2025 24 07 2025 © 2025 Emerald Publishing Limited 2025 Emerald Publishing Limited Licensed re-use rights only anisotropy confining pressure DEM discrete-element modelling drilling & drillholes HDR HTHP hydraulic pressures rock cutting shear temperature-related...

... and their levels are listed in Table 1 . 13 10 2023 12 03 2024 Emerald Publishing Limited: All rights reserved 2025 drilling & drillholes drilling efficiency operational parameters rocks/rock mechanics testing & evaluation UN SDG 9: Industry, innovation and infrastructure...

...://creativecommons.org/licenses/by/4.0/) 2018 This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. drilling & drillholes foundations...

... reserved 2016 drilling & drillholes piles & piling retaining walls The soil investigation conducted at the site included one Swedish weight sounding test (according to the SGY (1981) guidelines)) and one in situ vane shear test (ISO/DIS 22476-9 (ISO, 2014)). The depth to the bedrock...

... no sign of defects. High-strain dynamic loading tests on two completed piles also confirmed their performance despite the extended pile bore open period. 25 3 2014 25 9 2013 ICE Publishing: All rights reserved 2014 drilling & drillholes foundations piles & piling...

... are more economic than tunnelling (and in several cases more economic than trenching), cause minimal surface disruption, and have developed to a point where they form a realistic option for the installation of cables over short and medium distances. drilling & drillholes mathematical modelling...