Seismic waves are elastic waves that propagate in the earth. Specifically, seismic waves induce elastic deformation of particles, represented by an infinitesimally small volume around a point, within the soil and rock column along the propagation path in the subsurface. The term elastic refers to the type of deformation that vanishes upon removal of the stress that has caused it.
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Engineering Seismology: With Applications to Geotechnical Engineering
The narrow scope of engineering seismology includes its application to geotechnical site investigations for buildings and engineering infrastructures, such as dams, levees, bridges, and tunnels, and landslide and active-fault investigations. It also includes seismic microzonation to determine soil amplification and liquefaction susceptibility within a municipal area to estimate the earthquake risk. The broad scope of engineering seismology also includes its application to groundwater exploration, coal and mineral exploration, geothermal exploration, and investigations of historic buildings and archaeological sites. This book primarily is devoted to application of the seismic method to geotechnical engineering. Nevertheless, the book also includes chapters on case studies for the broader scope of engineering seismology.