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1、窗体顶端(一)单选题1.图示结构在移动荷载载作用下,D支座的最大弯矩为()。(A)(B)(C)(D)参考答案:(B) 没有详解信息!2.图示结构,受集中荷载系作用,则对应于的最不利荷载是()。(A)集中荷载中10kN力位于C截面;(B)集中荷载中6kN力位于C截面;(C)集中荷载中4kN力位于C截面;(D)集中荷载中6kN力与10kN力对称布置C截面两侧;参考答案:(B) 没有详解信息!officiallyestablishedonJuly1,2013,Yibincity,formerlyknownasthebus,integrate
2、doriginalrongzhoubuscompanyinYibincityandMetrobuscompany,formedonlyinYibincityofaState-ownedpublictransportenterprises,thecompanyconsistsofoneortwo,thirdDivision.Integrationofpublictransportservicesisnotyetestablished3.图(a)所示结构,下列影响线不正确的是()。(A)A(B)B(C)C(D)D参考答案:(A) 没有详解信
3、息!4.当单位集中力偶在AB之间移动时,图示简支梁K截面的弯矩影响线正确的是()。(A)A(B)B(C)C(D)D参考答案:(D) 没有详解信息!5.单元在图示两种坐标系中的劲度矩阵相比()。(A)完全相同(B)第2、4行(列)等值异号officiallyestablishedonJuly1,2013,Yibincity,formerlyknownasthebus,integratedoriginalrongzhoubuscompanyinYibincityandMetrobuscompany,formedonlyinYibincity
4、ofaState-ownedpublictransportenterprises,thecompanyconsistsofoneortwo,thirdDivision.Integrationofpublictransportservicesisnotyetestablished(C)第3、4行(列)等值异号(D)第2、3、4、6行(列)等值异号参考答案:(A) 没有详解信息!6.图示跨度为60m的简支梁,承受均布荷载,可动均布活荷载以及集中荷载。则距左支座为15m处的C截面上的最大及最小剪力是()。(A)(B)(C)(D)参考答案:(B
5、) 没有详解信息!7.图(a)所示伸臂梁,B支座左侧的影响线正确的是()。(A)A(B)B(C)C(D)D参考答案:(A) 没有详解信息!officiallyestablishedonJuly1,2013,Yibincity,formerlyknownasthebus,integratedoriginalrongzhoubuscompanyinYibincityandMetrobuscompany,formedonlyinYibincityofaState-ownedpublictransportenterprises,thecomp
6、anyconsistsofoneortwo,thirdDivision.Integrationofpublictransportservicesisnotyetestablished8.图示外伸梁,当单位荷载在AB之间移动时,则下列影响线完全正确的是()。(A)A(B)B(C)C(D)D参考答案:(A) 没有详解信息!9.考虑各杆件轴向变形,图示结构若用边界条件先处理法,结构劲度矩阵(全存储)的容量为()。(A)1515(B)1010(C)1212(D)99参考答案:(B) 没有详解信息!10.图示结构,单位竖向荷载在CD上移动时,下
7、面影响线不正确的是()。officiallyestablishedonJuly1,2013,Yibincity,formerlyknownasthebus,integratedoriginalrongzhoubuscompanyinYibincityandMetrobuscompany,formedonlyinYibincityofaState-ownedpublictransportenterprises,thecompanyconsistsofoneortwo,thirdDivision.Integrationofpublictran
8、sportservicesisnotyetestablished(A)A(B)B(C)C(D)D参考答案:(D) 没有详解信息!11.和分别为单元在局部坐标系和整体坐标系下的单元杆端力列阵,