厦门大学网络教育2014-2015学年第二学期《钢结构》复习题答案

918Р0.914Р0.910Р0.906Р0.903Р40Р0.899Р0.895Р0.891Р0.887Р0.882Р0.878Р0.874Р0.870Р0.865Р0.861Р50Р0.856Р0.852Р0.847Р0.842Р0.838Р0.833Р0.828Р0.823Р0.818Р0.813Р60Р0.807Р0.802Р0.797Р0.791Р0.786Р0.780Р0.774Р0.769Р0.763Р0.757Р70Р0.751Р0.745Р0.739Р0.732Р0.726Р0.720Р0.714Р0.707Р0.701Р0.694Р解:Р验算如下图所示轴心受压柱的整体稳定性。柱两端为铰接,柱长为5m,焊接工形组合截面,火焰切割边翼缘(对和轴均属类),承受轴心压力设计值N=1200kN,采用Q235钢材,在柱中央有一侧向(x轴方向)支承。Р类截面轴心受压构件的稳定系数Р0Р1Р2Р3Р4Р5Р6Р7Р8Р9Р20Р0.970Р0.967Р0.963Р0.960Р0.957Р0.953Р0.950Р0.946Р0.943Р0.939Р30Р0.936Р0.932Р0.929Р0.925Р0.922Р0.918Р0.914Р0.910Р0.906Р0.903Р40Р0.899Р0.895Р0.891Р0.887Р0.882Р0.878Р0.874Р0.870Р0.865Р0.861Р50Р0.856Р0.852Р0.847Р0.842Р0.838Р0.833Р0.828Р0.823Р0.818Р0.813Р60Р0.807Р0.802Р0.797Р0.791Р0.786Р0.780Р0.774Р0.769Р0.763Р0.757Р70Р0.751Р0.745Р0.739Р0.732Р0.726Р0.720Р0.714Р0.707Р0.701Р0.694Р解: