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Bibliografias temáticas / Seismic instability

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Artigos de revistas

Literatura científica selecionada sobre o tema "Seismic instability"

Autor: Grafiati

Publicado: 23 de novembro de 2024

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Artigos de revistas sobre o assunto "Seismic instability"

1

Bernal, Dionisio. "Instability of buildings during seismic response." Engineering Structures 20, no. 4-6 (1998): 496–502. http://dx.doi.org/10.1016/s0141-0296(97)00037-0.

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2

Rodríguez-Ochoa, Rafael, Farrokh Nadim, José M. Cepeda, Michael A. Hicks, and Zhongqiang Liu. "Hazard analysis of seismic submarine slope instability." Georisk: Assessment and Management of Risk for Engineered Systems and Geohazards 9, no. 3 (2015): 128–47. http://dx.doi.org/10.1080/17499518.2015.1051546.

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3

Zhang, Jin, Yanguo Wang, David C. Nobes, Guangnan Huang, and Hongxing Li. "Deep seismic reflection data interpretation using balanced filtering method." GEOPHYSICS 82, no. 5 (2017): N43—N49. http://dx.doi.org/10.1190/geo2016-0061.1.

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Inverse [Formula: see text] filtering can perform energy compensation and phase correction of seismic reflection data, but it has an instability problem due to its high-pass characteristics. Although improved methods, such as gain-limited inverse [Formula: see text] filtering and stabilized inverse [Formula: see text] filtering, overcome the instability to some extent, they are not suitable for compensating deep seismic reflection events with weak energy. Focusing on the enhancement of deep seismic events, we have developed a balanced filtering method based on the ratio of the phase-compensate

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4

Du, Wen Feng, Fu Dong Yu, and Zhi Yong Zhou. "Dynamic Stability Analysis of K8 Single-Layer Latticed Shell Structures Suffered from Earthquakes." Applied Mechanics and Materials 94-96 (September 2011): 52–56. http://dx.doi.org/10.4028/www.scientific.net/amm.94-96.52.

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Aiming at the dynamic stability of the K8 single-layer latticed shell structures, it was carried out the dynamic stability analysis based on the finite element method(FEM) in this paper. The dynamic responses of the structure are calculated using the FEM and the B-R rule is applied to determine the dynamic instability critical loads. Results show that the dynamic instability is prone to take place in the K8 single-layer latticed shell structures under the severe seismic load and the dynamic instability critical seismic wave peak value is about 0.7g. The location of instability starts from the

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5

Wadas, S. H., S. Tschache, U. Polom, and C. M. Krawczyk. "Ground instability of sinkhole areas indicated by elastic moduli and seismic attributes." Geophysical Journal International 222, no. 1 (2020): 289–304. http://dx.doi.org/10.1093/gji/ggaa167.

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SUMMARY Elastic moduli derived from vertical seismic profiles (VSPs) and 2-D SH-wave reflection seismic profiles are used to characterize mechanical properties of rocks in sinkhole areas. VP and VS were used to calculate the Poisson’s ratio and the dynamic shear modulus. The study shows that 2-D shear wave reflection seismics is suited to depict the heterogeneities of the subsurface induced by subsurface erosion. Low shear wave velocities of ca. 120–350 m s–1 and low shear strength values between 25 and 250 MPa are identified for the subsurface erosion horizon that consists of soluble Permian

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6

Nyland, E., and Qing Li. "Analysis of seismic instability of the Vancouver Island lithoprobe transect." Canadian Journal of Earth Sciences 23, no. 12 (1986): 2057–67. http://dx.doi.org/10.1139/e86-190.

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Seismic refraction and reflection surveys and gravity measurements over Vancouver Island, British Columbia, Canada, can constrain a finite-element model of the geodynamics of the subduction zone. Stress estimates obtained from this model have been combined with rock failure criteria to yield a probability measure of seismic risk that assumes seismic events start from a dilute distribution of Griffith cracks. The results are in agreement with the observed seismicity and lead to the suggestion that the dominant mechanism of this oceanic plate subduction zone is gravitational ridge push and mantl

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7

Cui, Fang Peng, Yue Ping Yin, Rui Lin Hu, and Jin Qing Yu. "Failure Mechanisms of the Landslides Triggered by the 2008 Wenchuan Earthquake, China." Advanced Materials Research 594-597 (November 2012): 1864–68. http://dx.doi.org/10.4028/www.scientific.net/amr.594-597.1864.

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Taking the landslides triggered by the 2008 Wenchuan Earthquake as examples, their dynamic responses with different epicenter distances due to single and combined action with regionality and spatial heterogeneity of the Primary and Secondary waves were simulated by applying the Universal Distinct Element Code software. The results shows that the slope suffered from the combined action between P and S waves appears instability prior to the slope under single action of P wave. With the epicenter distance increasing, the key controlling factor resulting in the slope failure varies from the combin

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8

Orlando, Luciana. "Multidisciplinary Approach to a Recovery Plan of Historical Buildings." International Journal of Geophysics 2011 (2011): 1–12. http://dx.doi.org/10.1155/2011/258043.

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The paper emphasizes the advantages of employing multiple data techniques—geology, GPS, surveys of cracking, boreholes, seismic refraction and electrical resistivity tomography—to image the shallow stratigraphy and hypothesize the cause of instability of an urban area. The study is focused on the joint interpretation of the crack pattern, topographic monitoring and the features of the underground, to define the area affected by instability and the direction of ground motion with the objective to advance a hypothesis on the cause of the instability of the area and to depict the main features. B

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9

Taurbekova, A. Ә., О. Zh Mamyrbaev, K. Zh Doshtaev, and Т. К. Eginbaykyzy. "HYDRODYNAMIC INSTABILITY MECHANISM PROCESS FOR ASSESSMENT SEISMIC ACTIVITY." SERIES PHYSICO-MATHEMATICAL 4, no. 348 (2023): 268–89. http://dx.doi.org/10.32014/2023.2518-1726.234.

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10

Xue, Zongan, Yanyan Ma, Shengjian Wang, Huayu Hu, and Qingqing Li. "A Multi-Task Learning Framework of Stable Q-Compensated Reverse Time Migration Based on Fractional Viscoacoustic Wave Equation." Fractal and Fractional 7, no. 12 (2023): 874. http://dx.doi.org/10.3390/fractalfract7120874.

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Q-compensated reverse time migration (Q-RTM) is a crucial technique in seismic imaging. However, stability is a prominent concern due to the exponential increase in high-frequency ambient noise during seismic wavefield propagation. The two primary strategies for mitigating instability in Q-RTM are regularization and low-pass filtering. Q-RTM instability can be addressed through regularization. However, determining the appropriate regularization parameters is often an experimental process, leading to challenges in accurately recovering the wavefield. Another approach to control instability is l

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