LT2梁高mm400L2 KTL5梁宽mm平台宽mm梯段长mm梁跨度mm混凝土容重kn/m^325021004800310025ash0β1603400.8梯段恒载kn/m^28α11平台恒载kn/m^2活载kn/m^2梁自重kn/m恒载分项系数活载分项系数梁上线荷载设计值kn/m梁跨中弯矩kn.m53.52.51.21.449.24559.15555625αsζ配筋As最小配筋率配筋混凝土强度fc重要性系数γ0钢筋强度fy0.1574542350.172297439581.743159320014.31.1360
