判断结构构件是否具有良好的恢复力特性指标有哪些?

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正确答案:

(1)强度;

(2)刚度;

(3)骨架曲线;

(4)延性系数;

(5)退化率;

(6)能量耗散。

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Asianeconomieswillcontinuetoexpandrapidlyinthenexttwoyearsonthebackofforeigninvestments,exportsanddomesticdemand,butwillnotbefreeofworries,accordingtoarecentsecuritiescompanyeconomicreport.Massiveinfrastructurespending,thebenefitsofpastinvestmentsandderegulationandgrowingregionaltradewillpushalongregionalgrowth.

ThereporttippedChina’sgrossdomesticproducttogrowby9.5percentin1996and10.5percentin1997,andHongKong’stogrowby4.3and5.0percent.Singapore’srealGDPwasforecasttogrowby7.6and7.4percent,Malaysia’sby8.6and8.1percent,Thailand’sby8.8and8.4percent,Indonesia’sby7.3and7.1percentandPhilippines’by5.6and5.8percent.

“However,allisnotrosy,”cautionedthereport,whichlistedoverheatingastheregion’sbiggestchallengeintheshorttermandskilled-laborshortagesinthelongrun.

Itcitedstrainsfromrapidgrowththathadbeguntostretchcurrentaccountdeficitsandspurinflationinsomeregionaleconomies,whichcouldpreventtheircentralbanksfromloweringinterestrates.

“Thisimpliesthateconomicvulnerabilitytounexpectedshockswillremainhigh,”thereportsaid,forecastingafurthertighteningofmonetarypolicyincountriessuchasthePhilippinesandMalaysia,andnosignificanteasinginThailand,IndonesiaandChina.

CrosbySecuritiesalsocitedmassivenewinvestmentprogramsgeneratedbydemandsoninfrastructuresuchaspower,telecommunicationsandtransportwhichhadfuelledover-heating.

ItsaidAsiawouldalsofaceabiggerchallengefromnewlyderegulatingeconomiesinEasternEuropewhichofferedlowercostsandbetter-educatedworkerstoforeigninvestors.

Asia’smainforeigninvestorsshould,however,continuetoexpandtheirpresenceintheregion,thesecuritieshousesaid,notingnewtrendsofintra-Asianinvestment.

Singaporeisshiftingitslowervalue-addeddiscdriveandelectronicsindustrytoMalaysia,whichinturnismovingsomeofitsgarment-makingandconsumerelectronicsmanufacturingtoIndonesiaandThailand.Thailand,MalaysiaandSingaporeareincreasinglyinvestinginVietNam,MyanmarandLaos.

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A.foreigninvestmentB.demandsinAsiancountries.

C.exportD.alloftheabove

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A.SingaporeB.Thailand

C.HongKongD.China

()3Yearslater,theprobleminAsianeconomymaybe_________________.

A.toolittleinvestmentB.toomuchinvestment

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()4Accordingtothisreport,economicchangesinEastEuropeare___________.

A.harmfulB.challenging

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()5ThereportisabouttheprospectofAsianeconomy.

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