交通科技
交通科技
교통과기
TRANSPORTATION SCIENCE & TECHNOLOGY
2015年
4期
125-127,128
,共4页
主线分离式平面交叉口%交通设计%组合优化%仿真评价
主線分離式平麵交扠口%交通設計%組閤優化%倣真評價
주선분리식평면교차구%교통설계%조합우화%방진평개
intersections with mainline separated%traffic design%combinatorial optimization%simula-tion and evaluation
由于下穿隧道或跨线桥的结构限制等因素影响，主线分离式平面交叉口的交通特性与常规十字交叉口有所区别。通过对主线分离式平面交叉口的布局特点及交通特性进行分析，对该类交叉口信号配时、渠化设计、交通组织等方面进行组合优化研究。并选择实例交叉口，利用 Vissim进行模拟仿真及评价，仿真结果表明，组合优化设计对实例交叉口的交通运行有改善作用。
由于下穿隧道或跨線橋的結構限製等因素影響，主線分離式平麵交扠口的交通特性與常規十字交扠口有所區彆。通過對主線分離式平麵交扠口的佈跼特點及交通特性進行分析，對該類交扠口信號配時、渠化設計、交通組織等方麵進行組閤優化研究。併選擇實例交扠口，利用 Vissim進行模擬倣真及評價，倣真結果錶明，組閤優化設計對實例交扠口的交通運行有改善作用。
유우하천수도혹과선교적결구한제등인소영향，주선분리식평면교차구적교통특성여상규십자교차구유소구별。통과대주선분리식평면교차구적포국특점급교통특성진행분석，대해류교차구신호배시、거화설계、교통조직등방면진행조합우화연구。병선택실례교차구，이용 Vissim진행모의방진급평개，방진결과표명，조합우화설계대실례교차구적교통운행유개선작용。
The structure of tunnels or flyovers influence the traffic characteristics of intersections with mainline separated,which are different from normal intersections.By making analysis of the charac-teristic of intersections with mainline separated,this paper studies an optimization design in signal timing,channelization and traffic organization.Then,microscopic traffic simulation software vissim is used to simulate and evaluate the selected intersection.The simulation results show that optimization design can significantly improve the traffic condition of the intersection.
