本文总结了丰水地区立交桥引道工程设置地下水、地表水分流排水系统的经验,并在施工中应用了轻型井点射流降水等有关新技术、新工艺。对降低造价、缩短工期、保障工程质量和施工安全起到保证作用。 This article summarizes the experiences of setting groundwater and surface water diversion drainage system in overpass approach engineering in Fengshui area and applies new technologies and techniques such as light-weight jet dewatering in construction. To reduce costs, shorten the construction period, to ensure the quality of construction and construction safety play a role.