Earthquake Effects on Soil-Foundation Systems

Autor:	H. Bolton Seed, Ronald C. Chaney, Sibel Pamukcu
Rok vydání:	1991
Předmět:	Earthquake scenario Seismic microzonation Earthquake simulation Settlement (structural) Earthquake prediction Types of earthquake Geotechnical engineering Mitigation of seismic motion Geology Foreshock
Zdroj:	Foundation Engineering Handbook ISBN: 9781475752731 Foundation Engineering Handbook ISBN: 9781461367529
DOI:	10.1007/978-1-4757-5271-7_16
Popis:	The damage resulting from earthquakes may be influenced in a number of ways by the characteristics of the soils in the affected area. Where the damage is related to a gross instability of the soil, resulting in large permanent movements of the ground surface, association of the damage with the local soil conditions is readily apparent. Thus, for example, deposits of loose granular soils may be compacted by the ground vibrations induced by the earthquake, resulting in large settlements and differential settlements of the ground surface. Typical examples of damage due to this cause are shown in Figures Figure 16.1 and Figure 16.2 Figure Figure 16.1 shows an island near Valdivia, Chile, which was partially submerged as a result of the combined effects of tectonic land movements and ground settlement due to compaction in the Chilean earthquake of 1960. Figure Figure 16.2 shows differential settlement of the backfill of a bridge in the Niigata earthquake of 1964.
Databáze:	OpenAIRE
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