[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fCiq82MLtL4OXUCMieRD6x-t1E5TFiB5RSlO6gs_SQzo":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":14,"related":15,"source":25,"type":26},[],"2026-04-22 12:28:08",348080905,[8,9],"上凸下凹","上凹下凸",{"courseId":11,"courseImg":12,"courseName":13},"a4a85ecf22df89614e07d15797190f1f","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbb062ff6068e05b64e1dc4486da29b2a.jpg","建筑力学23040808","正弯矩使所在横截面处梁微段的弯曲变形是( )",[16,27,36,45,54,63,66,75,84,93],{"answer":17,"createTime":5,"id":18,"options":19,"question":24,"source":25,"type":26},[],348080900,[20,21,22,23],"由整体到局部、先控制后碎部","由局部到整体、先控制后碎部","由整体到局部、先碎部后控制","由局部到整体、先碎部后控制","施工测量为了避免放样误差的积累,必须遵循的组织原则是( )","v1",0,{"answer":28,"createTime":5,"id":29,"options":30,"question":35,"source":25,"type":26},[],348080901,[31,32,33,34],"a","a>b","a=b","a≤b","设地面上有A、B两点,A为后视点,B为前视点,测得后视读数为a,前视读数为b,若使AB两点之间的高差为hAB大于零,则为( )正确",{"answer":37,"createTime":5,"id":38,"options":39,"question":44,"source":25,"type":26},[],348080902,[40,41,42,43],"拉压杆的内力只有轴力","轴力的作用线与杆轴重合","轴力是沿杆轴作用的外力","轴力与杆的横截面和材料无关","在下列关于轴向拉压杆轴力的说法中,( )是错误的",{"answer":46,"createTime":5,"id":47,"options":48,"question":53,"source":25,"type":26},[],348080903,[49,50,51,52],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0a23487f5df72f4f3f9a444dc8b3c1c3.png\">\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F753c87b6c23e3349cc503979fc15f651.png\">\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F753c87b6c23e3349cc503979fc15f651.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F421776e16e63c315729172aa02b9e438.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F72e009a6d68d8324b1113d114ad9b3fe.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F984c4fbf5d702c95e2b1710dd3fc0276.png\">","设轴向拉伸杆横截面上的正应力为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F96cee7fc305c146141e0534c0ad1a0bd.png\"> 则\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8f46d813acb0b0844c8251ba16dc5d4c.png\"> 斜截面上的正应力和剪应力( )",{"answer":55,"createTime":5,"id":56,"options":57,"question":62,"source":25,"type":26},[],348080904,[58,59,60,61],"Q图有突变,M图光滑连续","Q图有突变,M图连续但不光滑","M图有突变,Q图光滑连续","M图有突变,Q图连续但不光滑","梁在集中力作用的截面处,( )",{"answer":64,"createTime":5,"id":6,"options":65,"question":14,"source":25,"type":26},[],[8,9],{"answer":67,"createTime":5,"id":68,"options":69,"question":74,"source":25,"type":26},[],348080906,[70,71,72,73],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8420caa2f0813c6997ff31c367254605.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6cb05a459a9e29e309d9aa505cafd292.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7ce27732e3907db9d76e4087b9d4f3dd.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2f7d45c6bb2d112aacfee26cf3da9457.webp\">","左端固定的悬臂梁所受荷载中没有外力偶矩,梁的简力图如图所示.梁的受载情况是( )\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F57e4380b005314dd8ce99a1c8985ebe0.webp\">",{"answer":76,"createTime":5,"id":77,"options":78,"question":83,"source":25,"type":26},[],348080907,[79,80,81,82],"剪力一定为零","剪力为常数","弯矩为零","弯矩为常数","在梁的某一段上,若无载荷作用,则该梁段上的( )",{"answer":85,"createTime":5,"id":86,"options":87,"question":92,"source":25,"type":26},[],348080908,[88,89,90,91],"(1),(2),(3)","(2),(3),(4)","(1),(2),(4)","(1),(3),(4)","下列结论中哪些是正确的?( ) (1)平面图形的惯性矩和惯性积的量纲为长度的四次方.(2)惯性矩和惯性积不可能为负值.(3)一个平面图形的惯性矩不可能为零.(4)惯性积有可能为零",{"answer":94,"createTime":5,"id":95,"options":96,"question":101,"source":25,"type":26},[],348080909,[97,98,99,100],"静矩为零,惯性矩不为零","静矩不为零,惯性矩为零","静矩和惯性矩均为零","静矩和惯性矩均不为零","若截面图形有对称轴,则该图形对其对称轴的( )"]