武汉市姑嫂树立交3条“断头”匝道的补齐设计

摘要:

在姑嫂树立交现状分析基础上，从设计标准、相交道路情况介绍等方面进行论述，对姑嫂树立交的3条“断头”匝道进行平纵横设计，完善立交转向功能，发挥姑嫂树立交做为武汉市连接三环、天河机场和汉口的重要节点功能。其中的集散车道沿张公堤堤顶路建设，是迄今为止新建的一条长度最长、同时具备百年一遇防洪功能和交通集散功能合一的匝道，建成的姑嫂树地面人字形交通闸是既有张公堤上采用人工辅以手动葫芦驱动启闭形式的规模最大的桥闸合一交通闸。

Abstract:

Based on the Analysis of the Present Situation of Gusaoshu Interchange, and discussion from design standards and intersection roads, horizontal and vertical design of three ramps of Gusaoshu interchange,Perfecting the function of interchange steering,Giving full play to the function of gusaoshu interchange as an important node connecting the third ring, Tianhe Airport and Hankou in Wuhan City.The construction of distribution lanes along the top road of Zhanggong Embankment,It is the longest ramp with one hundred-year flood control and traffic distribution functions.The traffic gate is the largest bridge-gate integrated traffic gate with manual hoist driven opening and closing on existing Zhanggong Embankment.