Analyzing Seismic Destructive Effect to the Submarine Rock and Soil Layers According to Submarine Seismic Records

Abstract:

By means of survey and study, various submarine seismic records were identified in the marine facies strata from Sinian Period to Ordovician Period in Tancheng-Lujiang seismic fault zone and its vicinity. These submarine seismic records are divided into two classes. According to the mode of seismic action, every class of submarine seismic records is divided into three to four types. On the basis of classification, this paper studied and summarized seismic destructive effects to the submarine rock and soil layers and diagrammatized mechanism and process of seismic destructive effects. Seismic destructive effects to soft sedimentary soil strata mainly include seismic vibratory liquefaction, vibratory thixotropic effect, seismic fold deformation, sliding deformation, tensile deformation and combined action of shaking and weight. Seismic destructive effects to submarine soil strata of semi-consolidated to un-completely consolidated sediments mainly include syn-sedimentary fault effect, crack and smashing effect, filling effect of seismic crack, etc.

• Periodical: Applied Mechanics and Materials (Volumes 166-169)
• Pages: 2494-2506
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.166-169.2494
• Online since: May 2012
• Authors: Bang Hua Zhang, Hong Shui Tian
• Keywords: Earthquake, Seismic Destructive Effect, Seismic Records, Submarine Rock and Soil Layers, Tancheng-Lujiang Seismic Fault Zone

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