梯形钢屋架设计

课程设计说明书 第 I 页 共 I 页 目 录 1 设计资料 ············································································································ 1 2 屋架形式及几何尺寸 ····························································································· 1 3 支撑的布置 ········································································································· 2 4 荷载计算 ············································································································ 3 5 内力计算 ············································································································ 4 6 杆件复核 ············································································································ 5 7 节点复核 ·········································································································· 10 课程设计说明书 第 1 页 共 1 9 页 采用PKPM 软件进行设计，对杆件和部分节点进行手算复核。 1 设计资料 1.1 结构形式 跨度为21 m ，总长90 m ，柱距6 m ，采用梯形钢屋架。 1.2 屋架尺寸及选材 屋架端部高度设计为1.8 m ，屋面坡度为1/10，采用Q235 钢，E43 型焊条。 1.3 荷载标准值 恒载有： 防水层、找平层、保温层等 1.7 kN/m...