钢筋结构屋架课程设计报告

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1、WORD文档下载可编辑陕西广播电视大学 课程设计 课程名称：钢结构 分校(工作站)：               专业：指导老师：学号：专业资料整理分享WORD文档下载可编辑学生姓名：专业资料整理分享WORD文档下载可编辑目录1、设计资料··········································································································12、结构形式及布置·················································

2、···············································13、荷载计算·········································································································33.1永久荷载设计值·····························································································33.2可变荷载设计值··········

3、···················································································33.3荷载组合········································································································34、内力计算··················································································

4、······················35、截面选择········································································································专业资料整理分享WORD文档下载可编辑45.1上弦杆截面选择·····························································································45.2下弦杆截面选择·················

5、············································································45.3腹杆截面选择·································································································54、节点设计······························································································

6、··········96.1下弦节点设计·································································································96.2上弦节点设计·······························································································147、附图························································

7、················································16专业资料整理分享WORD文档下载可编辑1、设计资料2.1某车间，长240m，跨度27m，柱距6m，车间内无吊车、无天窗、无振动设备。采用梯形钢屋架，1.5×6m预应力钢筋混凝土大型屋面板（1.4kN/m2），二毡三油加绿豆沙防水层（0.4kN/m2），20mm厚水泥砂浆找平层（0.4kN/m2），卷材屋面，屋面坡度i=1/10，屋架简支于钢筋混凝土柱上，混凝土强度等级C20，上柱截面400×400mm。钢材选用Q235B，焊条采用E43型。屋面活荷载标准值0.70

8、kN/m2。2.2屋架计