试用积分法求图示刚架[tex=0.786x1.0]ri6gmnf1+J9dGqG5/1sV6A==[/tex]点的水平位移。[tex=4.571x1.286]NSKjTj7psZYdOS6Y0a7ZyA==[/tex]。[img=277x279]179cbd0fd55596a.png[/img]

2022-07-02

试用积分法求图示刚架[tex=0.786x1.0]ri6gmnf1+J9dGqG5/1sV6A==[/tex]点的水平位移。[tex=4.571x1.286]NSKjTj7psZYdOS6Y0a7ZyA==[/tex]。[img=277x279]179cbd0fd55596a.png[/img]

答案：

在[tex=0.786x1.0]ri6gmnf1+J9dGqG5/1sV6A==[/tex]点施加一单位荷载，如图([tex=0.429x1.0]JThLUuJ8WswSAPiYZWihWg==[/tex])所示，并分别设各杆的[tex=0.571x0.786]c5VsltFnl9nO0qB/vNKOWA==[/tex]坐标如图所示。[img=652x310]179cbd32a24914d.png[/img]则各杆内方程[tex=8.643x2.429]kwW+nE/AUSfcD3b21k8ba1tFCi/rhacCjXqbdC7Mt9iQGCtOkENFJ0gyPV85PhxJwfa58WRk8m4+qufwAFWAtw==[/tex]实际状态[tex=13.214x2.429]1c30abHbbu4G4rmeBlkVTPbox4AEvmcHaWRQjC4ODm5U9YvzDSP3nnnGAFH5kioBls91xUK94FqY28RDmeMzy1PMd100/dOo1+GlHDK5+l2RuYTwXEICalZehSvOMEHyD9X4LLcGjbaNw8kGv/2vow==[/tex][tex=18.929x2.786]919vfnAO2DCyg/9jCiLPLBtNbTks8kdk2mK6LeKAW1G6BSQ3hjbiCbFrj+gCvfZUqOYa864rotVMjBDCWMht0+DPydEM5TrhbCyjv0Nr8p7GWP8kRpvQbyAU9sJmi3tCcYz98xWFRHXOrPeYCEML5WvG5f8AfV1B/RbHbyKhAO8=[/tex][tex=11.143x2.857]s1b1uUpHFXk78mxB3L2JgMBVmxTjHNoWad8dLGO7VEK9dY3b86W4/AEUHAf6QKavleGLOLNIEg82SeRviCne8ejBiOPt3fgcVRj3Sqpq+zg=[/tex][tex=13.929x2.786]MpTCiF5sC6B/XGEzK2UWe4xvZ/SwYIN+iGe/oehdhOzUJJHDEGbRkXBG2QFV0EyOQ4uW22+Y7hEywN1+XcTEkM4zk2Una2NgrCGb6013wOyt5q0141IpE0xrke39zG0jG9hq1M7TyhoxFwXexXF7Cw==[/tex]

举一反三

内容

0
试求题[tex=3.643x1.357]C1Sgug4CieNvcehUx6WNyQ==[/tex]图所示三铰刚架[tex=0.786x1.0]XvHgf70VtK2FH5G93l0k3g==[/tex]点的水平位移和截面[tex=0.786x1.0]ri6gmnf1+J9dGqG5/1sV6A==[/tex]的转角,设各杆[tex=1.214x1.0]aXJNSgwe9sYfky/Vv9M4JQ==[/tex]为常数。[img=294x359]179d77e0e038dbf.png[/img][img=295x375]179d77e4585a105.png[/img]
1
试用弯矩分配法计算图示梁和刚架, 作出[tex=1.0x1.0]/4LSvKfNeQWJ+IvWbbbjdA==[/tex]图, 并求刚结点[tex=0.786x1.0]ri6gmnf1+J9dGqG5/1sV6A==[/tex] 的转角 [tex=1.214x1.0]vMN0I/cFXv+ywCJpIWol2g==[/tex][img=321x113]17d2238f9b4d6d0.png[/img]
2
用图乘法求图示刚架 [tex=0.786x1.0]b4HkKtHXeHofHX/gJc8Agg==[/tex] 点的水平位移。[tex=2.0x1.0]C1eXktko86a0BBkBgiRJ8Q==[/tex]常数。[img=225x232]17a5838f7a7db28.png[/img]
3
已知平行反应 [tex=0.786x1.0]Yn3GgEZev6SOu2r4v1WnCw==[/tex] [img=82x26]17af246275762db.png[/img][tex=0.786x1.0]ri6gmnf1+J9dGqG5/1sV6A==[/tex] 和 [tex=0.786x1.0]Yn3GgEZev6SOu2r4v1WnCw==[/tex] [img=87x27]17af246efcb7d81.png[/img][tex=0.786x1.0]ri6gmnf1+J9dGqG5/1sV6A==[/tex]，且 [tex=3.571x1.214]gZbOcil7PtOc2MTlInyFuw==[/tex]，为提高 [tex=0.786x1.0]ri6gmnf1+J9dGqG5/1sV6A==[/tex] 的产量，应采取什么措施？
4
求图示刚架 [tex=0.714x1.0]YiLkHgl7MlxE+QjUplQUKA==[/tex]点的水平位移和[tex=0.786x1.0]b4HkKtHXeHofHX/gJc8Agg==[/tex]截面的转角。设 [tex=2.0x1.0]hYBAALM+V4PV1D5W5pIDqA==[/tex]常数。[img=204x202]17a57f9f2b8b665.png[/img]