论文部分内容阅读
本文以某长江大桥斜拉索更换项目为工程背景,首先分析了斜拉索主要病害情况,其次针对大桥现场状况从起重吊装、桥面展索、张拉及施工平台等四个方面的斜拉索更换施工设备进行优化和研发;最后从施工准备、旧斜拉索拆除和新斜拉索安装三个方面对斜拉索更换施工关键技术进行阐述,为其他类似工程提供参考。
In this paper, a replacement project of the stay cable of a Yangtze River Bridge is taken as the engineering background. Firstly, the main diseases of the stay cable are analyzed. Secondly, according to the scene of the bridge, such as inclined from four aspects of lifting and hoisting, deck decking, tensioning and construction platform Cable replacement construction equipment to optimize and research and development; Finally, from the construction preparation, the demolition of the old cable and the installation of a new cable stayed in three aspects of the construction of key technologies for cable replacement for other similar projects provide a reference.