吊装梁计算(共5页).doc

精选优质文档-倾情为你奉上一、 Spreader bar selection (refer to drawing T3510-Lifting Sketch-3)a、平衡梁选择（参见图T3510-吊装草图-3）The spreader bar uses the steel pipe of2198, material=20#, length=3.8m, mechanics specialty is F=5300mm2,rotating radius isr=74.48 mm 平衡梁选用2198的钢管,材质20#,长3.8米,其力学特性为截面积F=5300mm2，回转半径r=74.48 mmSpreader bar pulling isP2= P1cos19.5=Q/2 =120.68/2t P2=64.19t=N P2-吊装梁所受正压力平衡梁受力为P2= P1cos19.5=Q/2 =120.68/2t