Response spectra for differential motion of structures supports during earthquakes in Egypt
Author
Source
Housing and Building National Research Center Journal
Issue
Vol. 8, Issue 3 (31 Dec. 2012), pp.217-227, 11 p.
Publisher
Housing and Building National Research Center
Publication Date
2012-12-31
Country of Publication
Egypt
No. of Pages
11
Main Subjects
Topics
Abstract EN
Differential motionsofgroundsupportsofstiffstructureswithlargeplandimensions and separatefoundationsunderearthquakeswerestudiedbyresearchersduringthelastfewdec- ades.
Suchatypeofstructuralresponsewaspreviouslyunderestimated.Theimportanceofstudying such aresponsecomesupfromthefactthatusuallythestructuresaffectedareofstrategicimpor- tance suchasbridges.Duringtheirexpectedlife,structuresmayexperiencevibrationsexcitedby ground wavesofshortwavelengthsduringnear-sourceearthquakes,orduringamplifiedearthquake signals, duringexplosions,orduringvibrationsinducedfromnearbystrongvibrationsources.This is thecasewhenthedifferentialmotionofsupportsbecomesconsiderable.Thispaperaimsto review theeffectsofseismicsignalvariationsalongthestructuresdimensionswithemphasison Egypt asacasestudy.Thepapershowssomepatternsofthedamageimposedbysuchdifferential motion.
Areplicationofthedifferentialmotioninthelongitudinaldirectionisappliedonaframe bridge model.Theresultingstrainingactionsshowthenecessityforconsideringthedifferential motion ofsupportsinthedesignofspecialstructuresinEgypt.Finally,responsespectraforthedif- ferential motionofsupports,basedontheavailabledatafrompreviousearthquakesinEgypt,is derived andproposedfordesignerstoincludeinthedesignprocedurewhenaccountingforsuch type ofstructuralresponse,andespeciallyinlong-spanbridges
American Psychological Association (APA)
al-Misri, Muhammad I. S.. 2012. Response spectra for differential motion of structures supports during earthquakes in Egypt. Housing and Building National Research Center Journal،Vol. 8, no. 3, pp.217-227.
https://search.emarefa.net/detail/BIM-375043
Modern Language Association (MLA)
al-Misri, Muhammad I. S.. Response spectra for differential motion of structures supports during earthquakes in Egypt. Housing and Building National Research Center Journal Vol. 8, no. 3 (2012), pp.217-227.
https://search.emarefa.net/detail/BIM-375043
American Medical Association (AMA)
al-Misri, Muhammad I. S.. Response spectra for differential motion of structures supports during earthquakes in Egypt. Housing and Building National Research Center Journal. 2012. Vol. 8, no. 3, pp.217-227.
https://search.emarefa.net/detail/BIM-375043
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p. 226-227
Record ID
BIM-375043