在路网建设的同时,在不断交情况下,如何实现新建道路、新建高速公路与原有高速公路的衔接与立体交叉,是当前高速公路建设中的一个重要课题。文章通过邢临高速公路辅道下穿运营中京珠高速公路箱型桥的施工课题研究,介绍了下穿重载高速公路箱型桥半幅开挖快速顶进的施工新技术。 At the same time of road network construction, how to realize the connection and the three-dimensional crossing of new roads, new expressways and existing expressways is an important issue in the current highway construction. Through the research on the construction of box-type bridges of Beijing-Zhuhai Expressway under Xinglong Expressway, the article introduces the construction new technology of the rapid excavation under the half-width of Box-Type Bridge on Heavy-Duty Freeway.