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1、地大《建筑结构抗震设计原理》在线作业一（Theprincipleofseismicdesignofarchitecturalstructuresisone）TheprincipleofseismicdesignofarchitecturalstructuresisoneTotalscore:100testtime:--SingletopicselectionMultiplechoice(20questionsintotal,80points.)1.Accordingtoalargenumberofda
2、taanalysis,Chinahasa10percentchanceofsurpassingthedesignbaseperiodin50years().A.moreintensityB.BasicintensityC.encounterintensityD.crowdvaluesFullmarks:4points2.Inurbanplanning,urbanconstructionshouldconsiderearthquakepreventionmeasureswhenthecityisinan
3、earthquakezone().A.SixdegreesandaboveB.Aboveandabovelevel6C.SevendegreesandaboveD.SevenandaboveFullmarks:4points3.Theadvantageanddisadvantage,dangerareaconsideringthefactorsare:Ⅰ.Geological;Ⅱ.Terrain;Ⅲ.Landscape;Ⅳ.Thefieldlayerthickness;Ⅴ.Theimportanceo
4、fbuilding;Ⅵ.Basictypes,ofwhichtheright().A.Ⅰ,Ⅱ,ⅢB.Ⅳ,Ⅴ,ⅥC.Ⅰ,Ⅳ,ⅤD.Ⅱ,Ⅴ,ⅥFullmarks:4points4.Thebasicseismicaccelerationofthedesignofaregionis0.15g.Fortheearthquake-resistantdesignoftheclasscbuildingsinthisarea,thefollowingstatementiscorrect().A.Accordingtot
5、herequirementsof8degrees,seismicdesigniscarriedout,andanti-seismicmeasuresareadoptedat7degreesB.Aseismaticdesign(includingcalculationandseismicconstructionmeasures)isperformedat7degrees.C.Seismiccalculationiscarriedoutat7degreesandanti-seismicmeasuresar
6、eadoptedat8degreesD.Theseismiccalculationisperformedat7degreesandthestructuralmeasurescanbereducedappropriatelyFullmarks:4points5.Inordertoimprovetheductilityoftheendoftheframecolumnandthebeamcolumnintheearthquake,thelengthofthecolumnendstirrupareashoul
7、dbetaken().A.Nolessthan1500mmandlongsidedimensionsofcolumnsectionB.Notlessthanthelengthofthecolumn,1/6ofthecolumnandtheminimumof1000mmC.Nolessthanthemaximumof1/6and500mmofthelengthofthecolumnandtheheightofthecolumnD.Thecornercolumnofalltheframesshouldbe
8、filledwiththefullheightofthecolumnFullmarks:4points6.Intheconstructionofreinforcedconcretestructureswithseismicrequirements,ifsteelreinforcementisneededforsubstitution().A.ShouldnotreplacethesteelbarwithhighstrengthgradeB.Itisnot
