目录1、设计资料.............................................01.1结构形式..........................................................................................................................11.2屋架形式及选材..............................................................................................................11.3荷载标准值（水平投影面计）......................................................................................12、支撑布置.............................................22.1桁架形式及几何尺寸布置..............................................................................................22.2桁架支撑布置如图...........................................................................................................23、荷载计算.............................................44、内力计算.............................................55、杆件设计..............................................85.1上弦杆...............................................................................................................................85.2下弦杆...............................................................................................................................95.3端斜杆AB.........................................................................................................................95.4腹杆.................................................................................................................................115.5竖杆...............................................................................................................................165.6其余各杆件的截面........................................................................................................166、节点设计.............................................206.1下弦节点“C”..............................................................................................................206.2上弦节点“B”..............................................................................................................216.3屋脊节点“H”...............................