以鹿山枢纽互通为例谈二期实施方案的优化  

Discussion on the Optimization of the Second Phase Construction from the Perspective of Lushan Hub Interchange

作　　者：梁战 边迪 李靓 黄枭楠 丁武全 LIANG Zhan;BIAN Di;LI Liang;HUANG Xiaonan;DING Wuquan(Zhejiang Provincial Institute of Communications Planning,Design&Research Co.,Ltd.,Hangzhou 310000)

机构地区：[1]浙江省交通规划设计研究院有限公司,杭州310000

出　　处：《公路交通技术》2020年第4期11-16,共6页Technology of Highway and Transport

摘　　要：以鹿山枢纽二期建设为例,对一期已实施方案和二期预留方案从规范更新、交通发展变化等方面进行综合梳理,并结合交通流向、地形地物、运营保通、用地条件、造价等实际情况,灵活把握设计指标,提出了4种二期实施方案。经多方面综合比选后,以方案4单环式变形苜蓿叶形为推荐方案,该方案解决了遗留问题,并对原预留方案进行了优化,提高了行车安全,具有较强的实践性和指导性。Taking the second phase construction of Lushan hub as an example,this paper comprehensively combs the implemented scheme and the reserved scheme of the second phase from the aspects of standard renewal,traffic development and change,flexibly grasps the design indicators,and puts forward four second phase implementation schemes,in combination with the actual situation of traffic flow direction,terrain and features,operation guarantee,land use conditions,cost,etc.After comprehensive comparison and selection in many aspects,scheme 4 of single ring deformed alfalfa leaf shape is recommended.This scheme solves the remaining problems,optimizes the original reservation scheme,improves the driving safety,and has strong practicality and guidance.

关 键 词：互通立交 预留设计 交通流向 技术标准 断面布置 集散道 

分 类 号：U412.352.1[交通运输工程—道路与铁道工程]