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Journal Article
Published: 27 May 2020
Environmental and Engineering Geoscience (2020) 26 (2): 243–256.
... and 2 was significantly greater than that of other locations after the experiment. The post feet were inwardly bent due to the medial tensions from the upper support cables and the longitudinal cables ( Figure 6a ). After the experiment, the elongation of brake ring 8 reached approximately 0.60 m...
Journal Article
Journal: Interpretation
Published: 10 January 2019
Interpretation (2019) 7 (1): T179–T193.
...) Thickness (mm) Failure force (N) Tension strength (MPa) Mean tension strength (MPa) Core-1 1-1-1 90 24.21 7.81 2711 9.13 9.195 1-1-2 90 23.82 7.71 2669 9.26 – 1-2-1 45 24.47 6.96 2112 7.90 9.73 1-2-2 45 24.68 7.39 3309 11.56 – 1-3-1 0 24.81 6.99 618 2.27...
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Journal Article
Journal: Economic Geology
Published: 01 September 2018
Economic Geology (2018) 113 (6): 1359–1382.
..., which constitutes a resource of 28 t Au, is hosted in 20 NW-trending, syntaxial, layered quartz veins and tension gashes within almost coeval trachyandesites and andesitic breccias that overlie the Sandaowanzi monzogranite. Alteration halos are developed around the quartz veins and tension gashes...
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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP455.4
EISBN: 9781786203366
...-fidelity structural models of the wing spar. The bending strength of the wing spar of a 6 m wingspan ornithocheirid pterosaur is used to infer the likely membrane tension. The tensions required to suppress aeroelastic flutter and to minimize ballooning of the membrane under flight loads are also estimated...
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Journal Article
Journal: AAPG Bulletin
Published: 01 May 2016
AAPG Bulletin (2016) 100 (5): 795–817.
...) are well-documented phenomena. In shallow reservoirs such as in the Champion East field in offshore Brunei Darussalam ( van Kessel, 2002 ) and the Duri field in Indonesia ( Waite et al., 1997 ), faults are affected by very small differential stresses or are even in a tensional stress state. These stress...
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Journal Article
Published: 01 May 2016
Environmental and Engineering Geoscience (2016) 22 (2): 131–139.
... fractures were extended. The proposed two-part, primarily post-event, fracture mapping and analysis of intensity data are designed to test the static, as opposed to vibratory, cause of wall fractures, assuming: (1) tension fractures form perpendicular to the principal tensile stress (σ 3 ) direction; (2...
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Journal Article
Journal: Geology
Published: 01 December 2015
Geology (2015) 43 (12): 1079–1082.
FIGURES
Journal Article
Journal: Geophysics
Published: 26 May 2015
Geophysics (2015) 80 (4): L35–L43.
...-waves. However, there is a large uncertainty on how to measure the shear modulus of heavy oils. The use of the rheometer, common in chemical engineering applications, has been proposed as a good alternative to tension/compression techniques. Rheometers are an attractive alternative for measuring...
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Journal Article
Published: 01 December 2014
Vadose Zone Journal (2014) 13 (12): vzj2013.10.0181.
... was then used to evaluate the effects of fast-flow region hydraulic properties and hydraulic conditions on total cumulative infiltration for the case of single- and multi-tension water infiltration experiments. Finally, both single- and dual-permeability models were evaluated with respect to their ability...
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Journal Article
Journal: GSA Bulletin
Published: 01 March 2014
GSA Bulletin (2014) 126 (3-4): 344–351.
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Journal Article
Journal: Geosphere
Published: 01 October 2012
Geosphere (2012) 8 (5): 1078–1085.
... intraplate deviatoric tension, thereby facilitating continental rupture. There is a growing body of evidence that pre-breakup uplift is a global phenomenon characteristic of magmatic and magma-poor rifted margins. Evidence is provided by the subaerial extrusion of lava interpreted from drill logs...
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Journal Article
Journal: Geology
Published: 01 September 2012
Geology (2012) 40 (9): 799–802.
... observed only in dynamic fracture experiments ( Sagy et al., 2001 ), hence subcritical growth in the observed branched fractures is unlikely. We thus conclude that they were generated by dynamic fracturing under tensional loading. The nearly 1 km zone of fracturing is deeply buried, and processes...
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Journal Article
Published: 01 August 2012
Vadose Zone Journal (2012) 11 (3): vzj2011.0197.
..., such as surface tension, the presence of fluid–fluid interfaces, wettability of solid surfaces, grain size distribution, and microscale heterogeneities. In a similar way, the unsaturated hydraulic conductivity curve depends on water content, roughness, tortuosity, and the shape and degree of interconnection...
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Journal Article
Published: 01 February 2012
Vadose Zone Journal (2012) 11 (1): vzj2011.0029.
... were compared to measurements of water table elevation, water tension of soil and bedrock, and hillslope runoff. ER, electrical resistivity ERI, electrical resistivity imaging KEW, Kiryu Experimental Watershed WRC, water retention characteristic In mountain headwater catchments, water...
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Journal Article
Published: 01 January 2012
Journal of the Geological Society (2012) 169 (1): 17–27.
... infiltration of fluids along permeable pathways in highly deformed zones; the latter may represent crustal-scale tension gashes in the regional context. Most quartz veins have δ 18 O values between 10 and 16‰ indicating a mid-crustal origin for the fluids. Microthermometry on fluid inclusions from euhedral...
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Journal Article
Published: 01 May 2011
Vadose Zone Journal (2011) 10 (2): 603–617.
... of preferential flow in partially saturated macroporous soils. Tension infiltration experiments that exhibited varying degrees of preferential flow, primarily along worm burrows, provided the basis for the numerical simulations. Field measurements of infiltration, soil water content, and dye transport were used...
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Journal Article
Published: 01 May 2011
Vadose Zone Journal (2011) 10 (2): 747–759.
... measurement technology—automated equilibrium tension lysimeters (AETLs). An AETL uses a porous sintered stainless-steel plate to provide a comparatively large sampling area (0.20 m 2 ) with a continuously controlled vacuum applied under the plate. This vacuum is in “equilibrium” with the surrounding vadose...
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Journal Article
Published: 01 November 2010
American Mineralogist (2010) 95 (11-12): 1679–1685.
...Ilya V. Veksler; Johannes Kähn; Gerhard Franz; Donald B. Dingwell Abstract Interfacial tension between immiscible liquids is an important thermodynamic parameter of silicate melt unmixing and a property that determines the kinetics of phase separation. In this study, we present experimental...
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Journal Article
Published: 01 August 2010
Vadose Zone Journal (2010) 9 (3): 597–609.
... affected by the mean capillary radius, pore-size distribution variance, gas–liquid interfacial tension, and the underlying connectivity of the porous medium. We also investigated the implications of these system properties and associated boundary conditions for air sparging efficacy. * Corresponding...
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Journal Article
Journal: Geology
Published: 01 July 2010
Geology (2010) 38 (7): 619–622.
... of pseudotachylite bodies at Sudbury (Canada) and Vredefort (South Africa), we show that these processes differ in time and space. We demonstrate that the centimeter- to kilometer-scale bodies are effectively fragment- and melt-filled tension fractures that formed by differential rotation of target rock during...
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