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1、地大《建筑结构抗震设计原理》在线作业一（Thedesignprincipleofseismicdesignofarchitecturalstructuresisone）TheprincipleofseismicdesignofarchitecturalstructuresisoneTotalscore:100testtime:--SingletopicselectionMultiplechoice(20questionsintotal,80points.)1.Accordingtoalargenumberofdataanalysis,Chinahasa10percentc
2、hanceofsurpassingthedesignbaseperiodin50years().A.moreintensityBasicseverityC.encounterintensityD.crowdvaluesFullmarks:4points2.Inurbanplanning,urbanconstructionshouldconsiderearthquakepreventionmeasureswhenthecityisinanearthquakezone().A.SixdegreesandaboveB.Aboveandabovelevel6C.Sevendegr
3、eesandaboveD.SevenandaboveFullmarks:4points3.Theadvantageanddisadvantage,dangerareaconsideringthefactorsare:Ⅰ.Geological;Ⅱ.Terrain;Ⅲ.Landscape;Ⅳ.Thefieldlayerthickness;Ⅴ.Theimportanceofbuilding;Ⅵ.Basictypes,ofwhichtheright().A.Ⅰ,Ⅱ,ⅢB.Ⅳ,Ⅴ,ⅥC.Ⅰ,Ⅳ,ⅤD.Ⅱ,Ⅴ,ⅥFullmarks:4pointsThedesignofthebasic
4、earthquakeinoneareais0.15g,andthefollowingstatementiscorrectfortheseismicdesignofc/cinthisarea.A.Accordingtotherequirementsof8degrees,seismicdesigniscarriedout,andanti-seismicmeasuresareadoptedat7degreesB.Aseismaticdesign(includingcalculationandseismicconstructionmeasures)isperformedat7de
5、grees.Theearthquakeiscalculatedat7degrees,andtheanti-seismicmeasuresaretakenat8degreesD.Theseismiccalculationisperformedat7degreesandthestructuralmeasurescanbereducedappropriatelyFullmarks:4pointsInordertoimprovetheductilityoftheframecolumnandthebeamcolumnintheearthquake,thelengthofthecol
6、umnofthecolumnisinthearea().A.Nolessthan1500mmandlongsidedimensionsofcolumnsectionB.Notlessthanthelengthofthecolumn,1/6ofthecolumnandtheminimumof1000mmC.notlessthanthelengthofthecolumn,1/6and500mmhighD.ThecornercolumnofalltheframesshouldbefilledwiththefullheightofthecolumnFullmarks:4point
7、s6.Intheconstructionofreinforcedconcretestructureswithseismicrequirements,ifsteelreinforcementisneededforsubstitution().A.shouldnotreplacethesteelbarwithhighstrengthgradeB.ItisnotsuitabletoreplacethesteelbarwiththestrengthgradeC.Theyieldstrengthofthesectionofthecomp
