论文部分内容阅读
随着经济的发展,高速公路改扩建将是未来公路建设新的热点,而高速公路中互通立交的改扩建将是改扩建的一个难点。该文以包茂国家高速湖南段吉首东枢纽互通立交改扩建为背景,通过对原互通形式、交通量和交通组织等控制因素的分析,探索复杂因素控制条件下单喇叭互通改扩建为四路枢纽互通的设计思路和选型问题。
With the economic development, highway expansion and expansion will be the new hot spots in highway construction in the future. However, the expansion and expansion of interchanges in expressways will be a difficult issue for the expansion and reconstruction. Based on the reconstruction and extension of Ji Jiefeng East Hub Interchange in Hunan section of Bao Mao National High Speed Railway, this paper analyzes the control factors such as the form of original interoperability, traffic volume and traffic organization, and explores the intercommunication and expansion of single speaker to four paths under the control of complex factors Interchange design ideas and selection issues.