论文部分内容阅读
1 概述北京市六环路是一条联系北京市郊区卫星城镇和疏导市际过境交通的高速公路,是国道主干线的组成部分,路线全长188km, 环的半径为20～30km。六环路的地理位置适中,距城市规划区(总面积16800km~2)的中心,沿线经八个区县,即大兴区、通州区、顺义区、昌平区、海淀区、门头沟区、丰台区及房山区。全线内共设互通式立交6座,分离式立交16座,跨河桥7座。京石立交是出入首都的一条主要立交桥。 2 设计原则立交桥园林绿化设计不同于一般的环境绿化美化,首先要考虑到绿化景观的观赏速度问题,其次要考虑整个道路系统景观的完整性。京石立交桥区并不单纯的以一季景观为主,而是通过
1 Overview The Sixth Ring Road in Beijing is an expressway linking satellite towns and cities in the suburbs of Beijing with diversion of urban transit traffic. It is an integral part of the national trunk road with a total length of 188 km and a radius of 20-30 km. Sixth Ring Road, the geographical location is moderate, from the urban planning area (a total area of 16800km ~ 2) center, along the eight districts and counties, namely Daxing District, Tongzhou District, Shunyi District, Changping District, Haidian District, Mentougou District, Fengtai District And Fangshan District. There are 6 interchanges, 16 interchanges and 7 bridges across the river. Beijing-Shijiazhuang Interchange is the capital of a major overpass. 2 Design Principles Overpass landscaping design is different from the general greening of the environment, we must first take into account the ornamental landscape green speed, and secondly to consider the integrity of the landscape of the entire road system. Beijing stone overpass area is not purely based on a quarter of the landscape, but through