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Journal Article
Published: 26 April 2022
Bulletin of the Seismological Society of America (2022) 112 (4): 1894–1907.
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Journal Article
Published: 01 February 2021
Earthquake Spectra (2021) 37 (1): 324–345.
...-tensioned cross-laminated timber rocking walls. A suite of 22 far-field ground motions were used for nonlinear time history (NLTH) analysis. Truncated incremental dynamic analysis was used to scale the ground motions, and results of the NLTH analyses were used to develop cumulative distribution functions...
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Journal Article
Published: 01 February 2021
Earthquake Spectra (2021) 37 (1): 235–261.
... ( Lu and Panagiotou, 2013 ) available in the software OpenSees ( McKenna, 2014 ). They concluded that the main causes of the collapse of this building were the extensive compression in the same zone as predicted by the ABAQUS model, yielding of reinforcement in tension at one end of the building, shear...
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Journal Article
Journal: GSA Bulletin
Published: 28 October 2020
GSA Bulletin (2021) 133 (5-6): 1157–1166.
... the earthquake. Field surveys revealed that the coseismic surface ruptures were characterized by left-lateral offset, en echelon tensional cracks, mole tracks within a narrow zone, and large areas of sand liquefaction that increased the damage and losses. We measured the coseismic displacements along surface...
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Series: Engineering Geology Special Publications
Published: 09 June 2020
DOI: 10.1144/EGSP29.17
EISBN: 9781786204653
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Journal Article
Journal: Geology
Published: 29 May 2020
Geology (2020) 48 (9): 898–902.
... source pressure ( P o ) to drive host-rock failure, but without tectonic stress. Here we present axisymmetric finite-element simulations of radially propagating sills for a range of tectonic stress (σ r ) conditions, from horizontal tension (σ r < 0) to horizontal compression (0 < σ r ). Response...
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Journal Article
Published: 27 May 2020
Environmental & Engineering Geoscience (2020) 26 (2): 243–256.
..., as shown in Figure 4 . The deformation at points 1 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...
Series: AAPG Memoir
Published: 31 January 2020
DOI: 10.1306/13672214M1213824
EISBN: 9781629812847
... scanning, the samples were unjacketed, and one of the facing shear band facets was scanned using a Nanovea ® ST400 White Light Profilometer with 5 μ m resolution. Indirect Tension (Brazilian) Tests Four disks of Mancos Shale, measuring 2.54 cm (1 in) in diameter and 1.27 cm (0.5 in) in thickness...
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Journal Article
Published: 02 October 2019
Geological Magazine (2019) 156 (12): 2113–2116.
... by blasting is greater than the rock strength and where the rock is sheared or crushed; (2) the zone where radial tension cracks are formed in the elastic zone by the tensile stresses acting perpendicular to the pressure wave deriving from the pressure load ( Fig. 5 ); and (3) the elastic zone where all...
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Series: GSA Special Papers
Published: 14 June 2019
DOI: 10.1130/2018.2541(11)
EISBN: 9780813795416
... stress and the following time of rapid subsidence reflecting a decrease in such stresses or an increase in tensional stresses. Conversely, the longer intervals of tectonic quiescence would reflect relatively stable, horizontal stress fields. The episodic changes in stress fields affecting the Canadian...
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Journal Article
Published: 01 May 2019
Earthquake Spectra (2019) 35 (2): 1023–1043.
... test data are required to better characterize the full hysteretic response of lap splices as a function of the main influencing parameters. This paper presents quasi-static tension-compression cyclic tests on 24 half-scale RC wall boundary elements carried out at the Earthquake Engineering...
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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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Series: Special Publication
Publisher: SEPM (Society for Sedimentary Geology)
Published: 01 January 2019
DOI: 10.2110/sepmsp.112.14
EISBN: 9781565763654
... pressure, γ = surface tension of Hg, Θ = contact angle of mercury in air, and r = radius of pore aperture for a cylindrical pore. MICP distributions were plotted using the change in mercury vapor saturation divided by the change in the log of the pore-throat radius (dSv/d log r). Thin-section image...
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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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Journal Article
Published: 01 August 2018
Earthquake Spectra (2018) 34 (3): 1289–1309.
... with the uniaxial stress-strain law by Kim and Koutromanos (2016) , which accurately describes the hysteretic response of the material and accounts for bar buckling and bar rupture due to low-cycle fatigue. The material model can be fully calibrated if the stress-strain curve in monotonic tension, shown in Figure...
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Journal Article
Published: 01 August 2018
Earthquake Spectra (2018) 34 (3): 1267–1288.
... fixed-fixed end conditions. Three phases were considered during the experimental program. The first testing phase involved controlled load paths where the specimens were subjected to axial tension/compression cycles combined with lateral displacements to mimic the effects of out-of-plane loads...
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Journal Article
Published: 01 May 2018
Earthquake Spectra (2018) 34 (2): 867–891.
... the unit cell is under tension, K T = K s , whereas under compression, K T = K s + K c . This implies that tensile resistance of concrete is neglected for the conservative outcome. For a vertical chain of n unit cells, the corresponding effective stiffness is obtained as K...
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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP455.4
EISBN: 9781786203366
... to build high-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...
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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 & 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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