Abstract
In this paper, the factors affecting the results of seismic response analysis of soil layers are analyzed by substituting trial calculation for various factors in the engineering example of seismic safety evaluation. In the soil response analysis of building site, the lithology of overburden soil, the sudden change of soil structure (interlayer) and the input shear wave value all have influence on the soil seismic response. Among them, the weak interlayer has significant influence on the peak acceleration and characteristic periodic value of seismic response analysis, while the hard interlayer, simple overburden and the type of bedrock soil have little influence on the seismic response of soil. The following construction projects must be evaluated for seismic safety:(1) Major State construction projects; (2) Construction projects that may cause floods, fires, explosions, massive leakage of highly toxic or highly corrosive substances or other serious secondary disasters after being damaged by earthquakes, including reservoir dams, dikes, oil and gas storage, and storage of inflammable, explosive, highly toxic or highly corrosive substances. Facilities and other construction projects that may cause serious secondary disasters; (3) nuclear power plants and facilities that may cause radioactive pollution after earthquake damage; (4) other construction projects that provinces, autonomous regions and municipalities directly under the Central Government consider to be of great value or have significant impact on their respective administrative regions.
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More From: IOP Conference Series: Earth and Environmental Science
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