 Wysłany: Nie 3:06, 08 Maj 2011 Temat postu: mac cosmetics wholesale To pulsating rock under dy |
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| Under microtremor dynamic response of geotechnical
Hongyue (CollegeofCivilEngineeringandArchitecture, ZhejiangUniversityHangzhou, 310027) AbstractThegroundmicro-tremorsignalsareobservedincoastalareaofFujian,Abercrombie Fitch uk, mainlyinFuzhou, andthesignalsareana. lyzedbyfastFouriertransformmethod (FFT). Wenotonlystudythecharacteristicsofthestructureoffrequency-spectrumandresponsetOgroundmicro. tremor,abercrombie milano, butalsoinvestigatethefunctionwithfrequency-dependenceandfrequency-selectionofmicro-tremorfordifferentfoundationsoilstrata. Theresultsareasfollows: First,oakley norge, itcanreflectvariationofthicknessofc0v. eringlayerandthedurationofpropagationtimeoftheshearwaveinoverburdenlayer. Second, thedurationofpropagationtimeoftheshearwaveino, rerburdenlayerandthethicknessofsiteoverburdenlayeraretwooftheimportantreaSOnsthataf. fectthepredominantperiodofthegroundmicro-tremor. Furthermore, softsoilofthegroundenlargespredominantperiodofthegroundmicro-tremorincertaindegree. Third · throughstudyingthecharacteristicsofthestructureoffrequency-spec-trum, wecanestimetethedynamicalcharacteristicsofgroundsoil. Fourth. withtheestablishmentofcorrelationetweenthepredominantperiodofthegroundmicro-tremorandthethicknessofoverburdenlayer, andthelengthofpropagationtimeofshearwaveintheoverburdenlayer,Abercrombie France, ithelpsrevealandunderstandthecorrelationbetweengroundformationandthemicro-tremorpredominantperiod,mac cosmetics wholesale, andwillalsohelpdeveloptheapplicationofthegroundmicro-tremoranalysistechnigue, Keywords; pulsation; spectralstructure; stratumstructure: dynamicalresponse first author Xu Jiancong men. PhD . Engineers , October 1967 students. Tel : 013116788203; E-mail: xjcl008 @ zju. edu. cn 相关的主题文章： Abercrombie and Fitch Packaging Industry in Japan 2002, Statistics _4258 franklin and marshall sale Frequency and Digital Scroll tech abercrombie en fitch Packaging related industry co |
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