目录1.计算说明..........................................31.1计算目的................................................................................................................31.2基本资料..................................................................................................................32.计算结果..........................................33.计算过程..........................................43.1构架横梁计算.....................................................................................................43.1.1横梁计算简图...........................................................................................43.1.2横梁荷载.....................................................................................................43.1.3内力计算.....................................................................................................53.1.4截面特性计算...........................................................................................73.1.5应力计算.....................................................................................................83.1.6梁挠度计算................................................................................................93.2构架计算................................................................................................................93.2.1截面特性计算.........................................................................................103.2.2构架内力计算.........................................................................................113.2.3应力计算...................................................................................................153.2.4挠度计算:..............................................................................................163.3中间跨构架.........................................................................................................163.3.1内力计算...................................................................................................163.3.2应力计算...................................................................................................203.3.3挠度计算:..............................................................................................213.4基础设计..............................................................................................................223.4.1地基承载力验算....................................................................................223.4.2基础抗拔安全系数与抗倾覆安全系数验算.........................244.计算成果分析......................................245.附表及附图........................................241开关站进出线构架结构计算及其基础设计1.计算说明1.1计算目的本计算书为XXXXXXX扩建220kV开关站进出线构架进行结构计算及其基础设计。1.2基本资料互提资料卡:;参考资料:《变电架构设计手册》(电力工业部中南电力设计院)、《水工钢结构》(武汉水力电力大学等合编第3版)、《电力工程高压送电线路设计手册》(中国电力出版社第2版)、《钢结构设计手册》(中国建筑工业出版社第2版)。2.计算结果出线构架横梁弦杆和腹杆拟采用角钢,弦杆和腹杆夹角为o,截面为一正三角形;格构架柱采用角钢,所有钢材均用Q235钢。钢构架结构设计满足规范要求,截面见计算简图。地基应力及基础抗拔抗倾满足要求,截面见计算简图。23.计算过程3.1构架横梁计算桁架弦初步选用L80×7的角钢,腹杆选用L70×7的角钢3.1.1横梁计算简图横梁按简支梁计算,如下图所示。横...