Copyright @ 2001~2006 famousbuild.com. All rights reserved. 檩条在风吸力作用下的稳定计算 [材料条件] 檩条钢材:Q235Q345 选用檩条:C140X2.0C140X2.2C140X2.5C160X2.0C160X2.2C160X2.5C180X2.0C180X2.2C180X2.5C200X2.0C200X2.2C200X2.5C220X2.0C220X2.2C220X2.5C250X2.0C250X2.2C250X2.5Z140X2.0Z140X2.2Z140X2.5Z160X2.0Z160X2.2Z160X2.5Z180X2.0Z180X2.2Z180X2.5Z200X2.0Z200X2.2Z200X2.5Z220X2.0Z220X2.2Z220X2.5Z250X2.0Z250X2.2Z250X2.5 [几何尺寸] L = m(钢架柱距) s = m(檩距) [受力条件] Gk= kN/m2(屋面恒荷载标准值) W0= kN/m2(风荷载标准值) 檩条受力:按简支计算按连续计算 拉条根数:一根两根 檩条位置:边缘带中间区 面板跨数:单跨屋面板多跨屋面板 [构造措施] I1= mm4/m(每米宽度屋面板的有效截面惯性矩) n = 个(每米长度上檩条与面板连接的紧固件数目[面板每个肋不得多于1个]) C100= (当b为100mm时面板与檩条连接的抗扭系数，每个波均连接时取2600，隔一个波连接时取1700)