• 2022-06-30
    图[tex=1.0x1.0]iJ4nUfaljzRIo2KkZPrQPg==[/tex]所示结构,[tex=1.214x1.0]aXJNSgwe9sYfky/Vv9M4JQ==[/tex]为常数,欲使结点[tex=0.786x1.0]ri6gmnf1+J9dGqG5/1sV6A==[/tex]的水平位移为零,求图示水平力[tex=0.714x1.0]yVFYd/aJUOHD6VCSg0YlkQ==[/tex]的值及方向。[img=175x164]179cab407bf922c.png[/img]