EngineeringCivil EngineeringEarthquake EngineeringGeotechnical EngineeringSeismic DesignEarthquake Ground MotionEarthquake Response Of StructuresGeotechnical Earthquake EngineeringGround Motion CharacterizationStrong Ground MotionBuried Structure ResponseEarthquake ResponseEarthquake Response AnalysisPipelinesRelative Motion DynamicsRelative Motion ModelingSoil-pipeline Interaction
The earthquake response of buried water and sewer lines is receiving attention because of the impact of these lifelines upon the health and safety of the people served by these systems. Because of the Geographical extent of buried pipelines, analysis and design procedures for buried pipelines are quite different than the standard procedures developed for building type structures. Seismic design procedures for buried pipelines are based upon two assumptions dealing with the relative motion between the pipe and the soil and also with the character of the seismic waves. Specifically, it is assumed that there is no relative motion between the pipe and the soil and that the shape of the seismic waves does not change as it traverses the pipe-line. The purpose of this paper is to investigate these assumptions which form the basis for the presently available seismic design procedures for buried pipelines subjected to ground shaking. /Author/