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珠海碧兰工业区3号厂房建筑面积1380m~2,单跨24m,柱距6m,七层,标准层高4.4m,楼面活载6～8kN/m~2,屋面活载3kN/m~2,基本风压0.7kN/m~2,地震裂度7°。采用现浇梁板,板厚100mm。与垂直荷载相比,水平荷载都组合不起控制作用,采用纯框架体系,砼为C30。框架粱高L/18.5(楼面)～L/20(屋面),采用高强碳素钢丝与冷拉Ⅱ级钢筋混合配筋。预应力钢丝采用抛物线形,一端强拉。梁端弯矩较跨
Zhuhai Bilan Industrial Zone No. 3 plant construction area 1380m~2, single span 24m, column spacing 6m, seven floors, standard floor height 4.4m, floor live load 6~8kN/m~2, roof live load 3kN/m~ 2, The basic wind pressure is 0.7kN/m~2, and the earthquake cracking degree is 7 degrees. Using cast-in-situ beam plates, plate thickness 100mm. Compared with the vertical load, the horizontal load can not control the combination, the use of pure frame system, 砼 is C30. The frame height is L/18.5 (floor) to L/20 (roof), and high-strength carbon steel wire and cold-drawn II steel reinforcement are used for reinforcement. The prestressed steel wire adopts a parabolic shape and is strongly pulled at one end. Beam end moment more than cross