[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fgfM3L3ZP_Nvl2LQPNOPSGwFA8UdbZRcg8i9LnjqNtbU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2024-06-20 21:54:21",153820622,[8,9,10,11],"单位荷载引起的位移","荷载引起的杆端力","单位荷载引起的杆端力","荷载引起的位移",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},57,"a51c68f736a2b95e598ab7676a491042","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fca019719b262620cebbcbd542306758f.png","结构力学","work_34546990","07力法——客观题","力法典型方程中的自由项是( )",[21,33,42,51,60,69,78,87,96,105],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-06-20 21:54:20",153820613,[26,27,28,29],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F58841f98f9e1790e40a64f77d7d5ee72.png\">l\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1aa667a850576a9cd4aa7e5abd8ab51a.png\">","-l\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1aa667a850576a9cd4aa7e5abd8ab51a.png\">","2l\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1aa667a850576a9cd4aa7e5abd8ab51a.png\">","l\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1aa667a850576a9cd4aa7e5abd8ab51a.png\">","如图所示超静定结构,选择图示力法基本体系,力法方程中的自由项\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd81fd547ecbbcf828765140fdaf37836.png\">等于( ).\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd024ca0c5d4627825641108e4ae1ff3b.png\">","v1",0,{"answer":34,"createTime":23,"id":35,"options":36,"question":41,"source":31,"type":32},[],153820614,[37,38,39,40],"Fl","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff449b693f8962811160a82b6e65c3a48.png\">Fl","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcb367781f3fcbaf3898f1108ad5e93a3.png\">Fl","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbd73d307d2ea4224154b9c90edd0b7cc.png\">Fl","图示排架,CD柱的柱端弯矩MCD的值为( ).\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffbdbd39a58365b0b08389b17ebce0e89.png\">",{"answer":43,"createTime":23,"id":44,"options":45,"question":50,"source":31,"type":32},[],153820615,[46,47,48,49],"3:5","9:3","3:7","9:1","图示单跨梁,AC=BC,支座弯矩绝对值之比|MA|:|MB|=( ).\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F08b05b4e4d2476107a20d0c1df771c49.png\">",{"answer":52,"createTime":23,"id":53,"options":54,"question":59,"source":31,"type":32},[],153820616,[55,56,57,58],"轴力等于零","内力均不为零","剪力等于零","弯矩等于零","图示结构,截面C的( ).\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F18b37a0e8b01cb7d37e62dbf47c19508.png\">",{"answer":61,"createTime":23,"id":62,"options":63,"question":68,"source":31,"type":32},[],153820617,[64,65,66,67],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F096a3f08264699ef273971bc722013a6.png\">D","0.5\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F096a3f08264699ef273971bc722013a6.png\">D","1.5\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F096a3f08264699ef273971bc722013a6.png\">D","2\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F096a3f08264699ef273971bc722013a6.png\">D","已知图示结构D点的挠度为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F096a3f08264699ef273971bc722013a6.png\">D,当BC杆刚度增大为2EI2时,D点的挠度为( ).\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7243505bafbba5cc32d4fc3fbd4000c9.png\">",{"answer":70,"createTime":23,"id":71,"options":72,"question":77,"source":31,"type":32},[],153820618,[73,74,75,76],"负值","零","正值","可能为正值、负值或零","力法的基本方程中,自由项的值为( )",{"answer":79,"createTime":23,"id":80,"options":81,"question":86,"source":31,"type":32},[],153820619,[82,83,84,85],"7","8","10","9","图示结构的超静定次数是( ).\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbacd0d32aca2d0ff8bec1cd20b882e0b.png\">",{"answer":88,"createTime":23,"id":89,"options":90,"question":95,"source":31,"type":32},[],153820620,[91,92,93,94],"结点位移","多余未知力","结点角位移","结点线位移","力法的基本未知量( )",{"answer":97,"createTime":23,"id":98,"options":99,"question":104,"source":31,"type":32},[],153820621,[100,101,102,103],"0.12EI(下侧受拉)","-0.12EI(上侧受拉)","-0.003EI(上侧受拉)","0.003EI(下侧受拉)","图示超静定结构,材料线性膨胀系数为0.01℃-1,抗弯刚度EI为常数,截面为矩形,杆件截面高度为h=300mm,截面积A=\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fafaa7d361b7bef1021c5cad68e64caf1.png\">,在温度变化作用下,A点弯矩为( ).\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F08e413286daf924af229a18ede21bc7d.png\">",{"answer":106,"createTime":5,"id":6,"options":107,"question":19,"source":31,"type":32},[],[8,9,10,11]]