脚手架钢管尺寸mm表312脚手架钢管尺寸截面尺寸最大长度外径φ，d壁厚t横向水平杆其它杆483522006500513表4211脚手板自重标准值标准值kNm2类别冲压钢脚手板03竹串片脚手板035木脚手板035栏杆、表4212栏杆、挡脚板自重标准值类别栏杆、冲压钢脚手板挡板栏杆、竹串片脚手板挡板栏杆、木脚手板挡板表422施工均布活荷载标准值类别装修脚手架结构脚手架标准值kNm223标准值kNm2011014014
脚手架的风荷载体型系数u表424脚手架的风荷载体型系数s背靠建筑物的状况全封闭墙敞开、框架和开洞墙10ψ13ψ全封闭、半封闭脚手架状况敞开ustwψ为挡风系数ψA
AwA
为挡风面积Aw为迎风面积钢材的强度设计值与弹性模量Nmm2表516钢材的强度设计值与弹性模量Q235钢抗拉、抗压和抗弯强度设计值f205弹性模量E206000扣件、底座的承载力设计值kN表517扣件、底座的承载力设计值项目承载力设计值对接扣件抗滑320直角扣件、旋转扣件抗滑800底座抗压4000表518受弯构件的容许挠度容许挠度w构件类别l150与10mm脚手板，纵向、横向水平杆l400悬挑受弯构件
f受压、表519受压、受拉构件的的容许长细比容许长细比λ构件类别双排架210立杆单排架230横向斜撑、剪刀撑中的压杆250拉杆350脚手架立杆的计算长度系数u表533脚手架立杆的计算长度系数连墙件布置立杆横距m二步三跨三步三跨105150170130155175155160180≤150180200表B钢管截面特性外径φ，壁厚dtmmmm48355130截面积惯性矩Acm2Icm448945212191308截面模回转半每米长量径质量3icmkgmWcm508513158170384355
类别
双排架单排架
λ0102030405060708090100110120130140150160170180190200210220
010000974094709180886085208180775072206610588051604520396034903080274024502200199018001640150
109970971094409150882084908140770071606540580050904460391034403050271024302180197017901630149
209950968094109120879084608100765071006480573050204400386034003010268024002160195017701610148
稳定系数φ表C稳定系数φ表345099209890987096609630960093809360933090909060903087508720868084308390836080608020797076007550750070406980692064106340626056605580551049604890483043404280423038103760371033603320328029802940291026502620259023702350232021402110209019301910189017501740172016001590157014601450144
60984095809300899086408320r