新规范消防车活荷载折减-2013

板跨（m)=3.50板跨=3.50覆土厚度S（m)=1.20覆土应力扩散角度θ=35tanθ=0.70折算覆土厚度Sh=1.202荷载规范附录B.0.2条Sh=1.43stanθ消防车活载覆土折减系数插值结果0.867消防车活载按板跨插值结果32.50综合考虑板跨覆土后消防车活荷载28.2表C0.1-2双向板楼盖消防车活荷载折减系数楼板跨度覆土厚度Sh3456011110.50.950.960.9911.00.880.930.9811.50.790.830.9312.00.670.720.810.922.50.570.620.70.813.00.480.540.610.71表5.1.1(8)双向板消防车活荷载板跨（m)消防车活载335620双向板消防车活载按板跨覆土插值梁荷载插值时可利用此结果板跨（m)=4.00板跨=4.00覆土厚度S（m)=1.20覆土应力扩散角度θ=35tanθ=0.70折算覆土厚度Sh=1.202荷载规范附录B.0.2条Sh=1.43stanθ消防车活载覆土折减系数插值结果0.852单向板消防车活荷载35.00考虑覆土后消防车活荷载29.8表C0.1-1单向板楼盖消防车活荷载折减系数楼板跨度覆土厚度Sh23401110.50.940.940.941.00.880.880.881.50.820.80.812.00.70.70.712.50.560.60.623.00.460.510.54本表根据《建筑结构荷载规范》（GB5009-2012)编制单板消防车活载按板跨覆土插值梁荷载插值时可利用此结果