With reference to the cantilever erection of the continuous steel box girder of Zhuanxing Road Overhead Bridge crossing Shenfengjin Expressway in Shanghai, this paper mainly describes the application of PLC-controlled hydraulic sync jack-up system to the
With reference to the cantilever erection of the continuous steel box girder of Zhuanxing Road Overhead Bridge crossing Shenfengjin Expressway in Shanghai, this paper mainly describes the application of PLC-controlled hydraulic sync jack-up system to the
摘要结合上海莘奉金高速公路颛兴路跨线连续钢箱梁悬臂架设施工，重点阐述了PLC控制液压同步顶升系统在钢箱梁“对称悬拼，跨中合龙”中的应用及操作控制要点、技术要求。