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tension

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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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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 and Engineering Geoscience (2020) 26 (2): 243–256.
... 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, the elongation of brake ring 10 was approximately...
Series: AAPG Memoir
Published: 31 January 2020
DOI: 10.1306/13672214M1213824
EISBN: 9781629812847
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Journal Article
Published: 02 October 2019
Geological Magazine (2019) 156 (12): 2113–2116.
... in the direction of the pressure wave propagation (compression) is numerically equal to the strain in the plane of the wave front (tension). The origin of the rock markings described here from Dong Men Yu Island in Fujian Province is thus identified as compressive and tensile stresses occasioned to granite...
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Journal Article
Published: 01 May 2019
Earthquake Spectra (2019) 35 (2): 1023–1043.
...: 10.5281/zenodo.1205887, is outlined in detail. This paper presents quasi-static tension-compression cyclic tests on 24 half-scale RC wall boundary elements carried out at the Earthquake Engineering and Structural Dynamics (EESD) Laboratory of the École Polytechnique Fédérale de Lausanne (EPFL). The test...
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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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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.
... 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 2b , is known. The constitutive model includes a hysteretic law to capture the cyclic response of reinforcing steel, as shown...
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Journal Article
Published: 01 August 2018
Earthquake Spectra (2018) 34 (3): 1267–1288.
... of this research. Top and bottom supports of the RCP specimens were restrained against rotation, simulating 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...
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Journal Article
Published: 01 May 2018
Earthquake Spectra (2018) 34 (2): 867–891.
...-only gap components. The strain at vertical bar yielding is assumed to be 0.002. δ gap ( ε cell ) corresponds to the compression-only gap. Thus when the unit cell is under tension, K T = K s , whereas under compression, K T = K s + K c . This implies that tensile...
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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
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: AAPG Bulletin
Published: 01 May 2016
AAPG Bulletin (2016) 100 (5): 795–817.
... stresses or are even in a tensional stress state. These stress states promote the development of open, fault-related structures ( Engelder, 1993 ; Fossen et al., 2007 ), and therefore, the corresponding fault zones act as combined baffle–conduit systems to subsurface fluid flow as can be observed...
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Journal Article
Published: 01 February 2016
Earthquake Spectra (2016) 32 (1): 547–565.
... configuration, at least three cyclic tests were conducted. Also, to study the effect of cumulative cyclic damage on the ultimate capacity of ceiling joints, an additional monotonic tension test was performed for each configuration ( Table 1 ). All tests were performed at a low speed of 0.1 in./min...
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Journal Article
Published: 01 February 2016
Earthquake Spectra (2016) 32 (1): 415–439.
... this displacement history and with a loading rate of 0.5 in./min. Also, in order to study the effect of cumulative cyclic damage on the ultimate capacity of GSCs, at least one additional monotonic tension test was performed for each series (see Table 1 ). In the monotonic tests, the specimens were subjected...
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Journal Article
Published: 01 February 2016
Earthquake Spectra (2016) 32 (1): 367–392.
... with door and window perforations is a macro-element that represents each solid masonry panel within the structure. The macro-element consists of multiple discrete elements for modeling different characteristics of URM wall behavior, including sliding, rocking, and diagonal tension/compression. Validation...
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Journal Article
Journal: Geology
Published: 01 December 2015
Geology (2015) 43 (12): 1079–1082.
FIGURES
Journal Article
Published: 01 August 2015
Earthquake Spectra (2015) 31 (3): 1451–1470.
... Hachi L3. Under these motions, the peak roof drift ratio was less than 0.4% and the isolator displacement was less than 430 mm. While it is not required that the tension stress limit be observed for the Level 3 motions, the maximum tension stress remained within 85% of 1 MPa. The maximum compression...
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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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