Amplification effects of soil stratification on ground stress waves

Rigas, F; Sebos, I

dc.contributor.author	Rigas, F	en
dc.contributor.author	Sebos, I	en
dc.date.accessioned	2014-03-01T01:14:22Z
dc.date.available	2014-03-01T01:14:22Z
dc.date.issued	1999	en
dc.identifier.issn	1090-0241	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/13033
dc.subject	Stratification	en
dc.subject.classification	Engineering, Geological	en
dc.subject.classification	Geosciences, Multidisciplinary	en
dc.subject.other	Density (specific gravity)	en
dc.subject.other	Estimation	en
dc.subject.other	Explosions	en
dc.subject.other	Graph theory	en
dc.subject.other	Mathematical models	en
dc.subject.other	Reflection	en
dc.subject.other	Shear waves	en
dc.subject.other	Particle velocity	en
dc.subject.other	Seismic velocity	en
dc.subject.other	Soil stratification	en
dc.subject.other	Soils	en
dc.subject.other	amplification	en
dc.subject.other	buried structure	en
dc.subject.other	soil dynamics	en
dc.subject.other	stress	en
dc.title	Amplification effects of soil stratification on ground stress waves	en
heal.type	journalArticle	en
heal.identifier.primary	10.1061/(ASCE)1090-0241(1999)125:7(611)	en
heal.identifier.secondary	http://dx.doi.org/10.1061/(ASCE)1090-0241(1999)125:7(611)	en
heal.language	English	en
heal.publicationDate	1999	en
heal.abstract	An analytical model is presented for the prediction of the amplification of compressional and shear waves produced by an explosion, or any other shock impact on the surface of a stratified soil deposit. This amplification is caused by multiple reflections of waves between the ground surface and an underlying parallel soil layer possessing different density and seismic velocity. The model developed may be easily applied for the protection of both buried and aboveground structures with the aid of suitable diagrams prepared in this work, which give, in a simple way, the enhancement factors by which particle velocities of direct waves should be multiplied to estimate the resultant particle velocities. The soil parameters that are taken into account in the analytical model and its simplified graphical solution are density, attenuation factor, and compressional- and shear-wave propagation velocities for the first two soil layers. Other parameters encountered are depth of the top soil layer, depth of burial of the structure, horizontal distance of the structure from the source, and trinitrotoluene equivalent of the source. The cube root scaling is considered for the attenuation of waves in soil with distance.An analytical model is presented for the prediction of the amplification of compressional and shear waves produced by an explosion, or any other shock impact on the surface of a stratified soil deposit. This amplification is caused by multiple reflections of waves between the ground surface and an underlying parallel soil layer possessing different density and seismic velocity. The model developed may be easily applied for the protection of both buried and aboveground structures with the aid of suitable diagrams prepared in this work, which give, in a simple way, the enhancement factors by which particle velocities of direct waves should be multiplied to estimate the resultant particle velocities. The soil parameters that are taken into account in the analytical model and its simplified graphical solution are density, attenuation factor, and compressional- and shear-wave propagation velocities for the first two soil layers. Other parameters encountered are depth of the top soil layer, depth of burial of the structure, horizontal distance of the structure from the source, and trinitrotoluene equivalent of the source. The cube root scaling is considered for the attenuation of waves in soil with distance.	en
heal.publisher	ASCE, Reston, VA, United States	en
heal.journalName	Journal of Geotechnical and Geoenvironmental Engineering	en
dc.identifier.doi	10.1061/(ASCE)1090-0241(1999)125:7(611)	en
dc.identifier.isi	ISI:000081007200008	en
dc.identifier.volume	125	en
dc.identifier.issue	7	en
dc.identifier.spage	611	en
dc.identifier.epage	614	en