广安白塔大桥拱箱梁吊装技术

Hoisting technology of arch box beam of Baita bridge in Guang'an

结合具体工程实例,提出了拱箱生产的要点,对拱箱梁吊装的缆索系统进行了说明,详细介绍了拱箱梁的吊装技术,指出制梁过程中拱箱外弧每端预留短的尺寸至少控制在4 cm,上开口时填塞钢板,利于合龙和受力。

Combined with the concrete engineering project, the author puts forward the main points of the arch box production, illustrates the cable system of hoisting the arch box beam, detailedly introduces the hoisting technology of the arch box beam, points out that the reservation size of the end of the arch box out-arcs should be controlled at least in 4 cm in the proems of the beam fabrication, the packing steel plate is beneficial to the closure up and the force when the upper opening.