近年来我国的生活水平逐渐提高,车辆越来越多,原有公路不能满足交通要求,公路扩建工程也就在这个背景下应运而生。在公路扩建工程中,桥梁的拼接是公路扩建工程中最常见的一项技术,该施工技术是决定公路扩建工程的成败关键。 In recent years, the standard of living of our country has gradually increased. More and more vehicles have been used. The existing roads can not meet the traffic requirements. Therefore, the highway expansion project came into being under this background. In highway expansion project, the splicing of bridges is the most common technology in highway expansion project, which is the key to determining the success or failure of highway expansion project.