Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Analysis of Local Variations in Free Field Seismic Ground Motion
Earthquake engineers are often faced with the problem of determining the temporal and spatial variation of near-surface seismic motions in a site. This type of information is needed for the evaluation of soil-structure interaction effects, liquefaction potential and the effects of local site conditions on surface motions. Actual ground motions are due to a complicated system of body waves and surface waves. However, it is usually assumed that near-surface motions consist only of vertically propagating waves. In order to examine the validity of this assumption for engineering design a theoretical investigation has been made into the nature of near-surface motions produced by horizontally propagating waves. These include inclined P-, SV-, and SH-waves, Rayleigh waves and Love waves in horizontally layered sites over a viscoelastic half space. The research involved five phases: (1) review of current knowledge, (2) development of new methods of site response analysis, (3) application to site response analysis, (4) application to soil-structure interaction analysis and, (5) evaluation of the relative importance of horizontally propagating waves in engineering design. (Author)
Analysis of Local Variations in Free Field Seismic Ground Motion
Earthquake engineers are often faced with the problem of determining the temporal and spatial variation of near-surface seismic motions in a site. This type of information is needed for the evaluation of soil-structure interaction effects, liquefaction potential and the effects of local site conditions on surface motions. Actual ground motions are due to a complicated system of body waves and surface waves. However, it is usually assumed that near-surface motions consist only of vertically propagating waves. In order to examine the validity of this assumption for engineering design a theoretical investigation has been made into the nature of near-surface motions produced by horizontally propagating waves. These include inclined P-, SV-, and SH-waves, Rayleigh waves and Love waves in horizontally layered sites over a viscoelastic half space. The research involved five phases: (1) review of current knowledge, (2) development of new methods of site response analysis, (3) application to site response analysis, (4) application to soil-structure interaction analysis and, (5) evaluation of the relative importance of horizontally propagating waves in engineering design. (Author)
Analysis of Local Variations in Free Field Seismic Ground Motion
J. C. Chen (Autor:in) / J. Lysmer (Autor:in) / H. B. Seed (Autor:in)
1981
283 pages
Report
Keine Angabe
Englisch
Geology & Geophysics , Seismic waves , Ground motion , Sites , Rock , Sand , Alluvium , Response , Surface waves , Rayleigh waves , Soils , Structures , Interactions , Body waves , NTISDODXA , NTISDODA
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