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。
With reference to the cantilever erection of the continuous steel box girder of Zhuan xing Road Overhead Bridge crossing Shenfengjin Expressway in Shanghai, this paper mainly describes the application of PLC-controlled hydraulic sync jack-up system to the balanced cantilever erection of the box girder, closure construction of the girder at midspan, and the operation, control key points and corresponding technical requirements for application of the system.
出处
《世界桥梁》
北大核心
2005年第2期33-35,38,共4页
World Bridges