Microcomputer‐Aided Evaluation of Earthquake‐Induced Permanent Slope Displacements

Sandra Houston, WILLIAM N. HOUSTON, J. MANUEL PADILLA

Research output: Contribution to journalArticle

Abstract

Ageotechnical engineering microcomputer program has been developed for the determination of permanent slope displacements resulting from earthquake shaking. The Newmark procedure, in which accelerations in excess of yield accelerations are double integrated to obtain displacements, has been incorporated into the program DISPLMT. Several user options are available for describing the yield acceleration function, including variation with time and variation with displacement. Screen graphics are available which allow the user to observe the down slope movements of the Newmark sliding block as they increase with time during the simulated earthquake. DISPLMT has been used to calculate the permanent movements of an earth dam using acceleration‐time histories and soil shear stresses determined from a separate analysis. Modification to the conventional Newmark procedure, by introduction of a “slip layer,” has been made in the analysis of a dam. Permanent slope displacements can be analyzed using the recommended procedure, which involves fairly simple computations that can be performed in a reasonable period of time with the exclusive use of microcomputers.

Original languageEnglish (US)
Pages (from-to)207-222
Number of pages16
JournalComputer-Aided Civil and Infrastructure Engineering
Volume2
Issue number3
DOIs
StatePublished - 1987

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Computer Science Applications
  • Computer Graphics and Computer-Aided Design
  • Computational Theory and Mathematics

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