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先张法预应力Ｔ形抽孔吊车梁施工我公司１９９３年３～５月，在江西南昌造纸厂试制了一批预应力Ｔ形抽孔吊车梁获得成功。５ｔ吊车梁混凝土设计为Ｃ３５，采用５２５号普通硅酸盐水泥。预应力主筋为冷拉Ⅱ级钢，架立筋为冷拔低碳钢丝，钢筋点焊网片为Ａ３钢φ４及φ５。吊...
Construction of Prestressed T-shaped Suction Hoisting Crane Beams. From March to May 1993, our company successfully manufactured a series of prestressed T-hole lifting crane beams at Nanchang Paper Mill in Jiangxi Province. The 5t crane beam concrete is designed as C35 and No. 525 ordinary portland cement is used. The prestressed main bars are cold-drawn II steels, the erection bars are cold drawn low-carbon steel wires, and the reinforced spot weld meshes are A3 steels φ4 and φ5. Hanging...