职称英语理工类辅导试题2017[权威资料]

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1、职称英语理工类辅导试题2017本文档格式为WORD,感谢你的阅读。最新最全的学术论文期刊文献年终总结年终报告工作总结个人总结述职报告实习报告单位总结演讲稿职称英语理工类辅导试题2017　　学习，使人目光变得远大,能够志存高远;学习，能让人的眼界开阔，丰富课余生活;学习，使人情操得到陶冶,梦想得以放飞。以下是搜索整理的职称英语理工类辅导试题2017，希望对正在关注的您有所帮助!更多精彩内容请及时关注我们!　　“Liquefaction”KeytoMuchofJapaneseEarthquakeDamage　　Themassivesubductionzon

2、e1earthquakeinJapancausedasignificantlevelofsoil　　"liquefaction"2thathassurprisedresearcherswithits1severity,anewanalysisshows.　　"We'veseenlocalized3examplesofsoilliquefactionasextremeasthisbefore,butthedistanceand2ofdamageinJapanwereunusuallysevere,"saidScottAshford,aprofessoro

3、fgeotechnicalengineering4atOregonStateUniversity5."Entirestructuresweretiltedandsinkingintothesediments,"Ashfordsaid."Theshiftsinsoildestroyedwater,drainandgaspipelines6,cripplingtheutilitiesandinfrastructurethesecommunitiesneedto3.Wesawsomeplacesthatsankasmuchasfourfeet."　　Some

4、degreeofsoilliquefaction7iscommoninalmostanymajorearthquake.It'saphenomenoninwhichsoilssoakedwithwater,particularlyrecentsedimentsorsand,canlosemuchoftheir4andflowduringanearthquake.Thiscanallowstructurestoshiftorsinkor5.　　Butmostearthquakesaremuch6thantherecenteventinJapan,Ashf

5、ordsaid.ThelengthoftheJapaneseearthquake,asmuchasfiveminutes,mayforceresearcherstoreconsidertheextentofliquefactiondamagepossiblyoccurringinsituationssuchasthis8.　　"Withsuchalong-lastingearthquake,wesaw7structuresthatmighthavebeenokayafter30secondsjustcontinuedtosinkandtiltasthe

6、shakingcontinuedforseveralmoreminutes,"hesaid."Anditwasclearthatyoungersediments,andespeciallyareasbuilton8filledground,aremuchmorevulnerable."　　ThedataprovidedbyanalyzingtheJapaneseearthquake,researcherssaid,shouldmakeitpossibletoimprovetheunderstandingofthissoil9andbetterprepa

7、reforitinthefuture.Ashfordsaiditwascriticalfortheteamtocollecttheinformationquickly,10damagewasremovedintherecoveryefforts9.　　"There'snodoubtthatwe'lllearnthingsfromwhathappenedinJapan10that11willhelpustoreducerisksinothersimilar11,"Ashfordsaid."Futureconstructioninsomeplacesmay

8、makemoreuseoftechniquesknowntoreduceliquefactio