【摘要】 沪宁高速公路扩建工程中锡澄运河大桥和北兴塘大桥的钢桁梁都采用拖拉施工法进行架设,具有跨度与自重大、桥面宽的特点,施工难度较大。本文对该拖拉施工项目中关键施工工艺和施工控制技术专项研究的主要成果进行了介绍,可为今后类似工程提供可借鉴的经验。更多还原

【Abstract】 There are two bridges which were constructed with drag erection method in Huning expressway extension project. The span,weight and width of these bridges are record-breaking among drag erected bridges in China.The erection and its construction control technique are introduced in the paper to provide reference for similar projects.更多还原