4 工程结构 本立交工程的结构体系,包括跨径及上下部结构形式,并非按照经济跨径决定,而是以能否满足多向交通的需求为主要考虑因素,同时还考虑建筑景观、施工、分期实施及施工时交通组织等因素,并在结构选择时充分考虑到立交桥是城市现代化的标志之一,其结构的选择除应满足上述多项因素外,还应 4 Engineering Structure The structural system of the interchange project, including the span and the structure of the upper and lower parts, is not determined by the economic span but mainly considers whether the demand for multi-directional traffic can be met. At the same time, the construction landscape, construction, The implementation of staging and construction of traffic organization and other factors, and take full account of the choice of structure overpass is one of the hallmarks of urban modernization, the choice of its structure should meet the above factors, but also should