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双喇叭互通式立交是我国设计的四路收费互通式立交中一种较为常用的形式,连接线作为双喇叭互通式立交中的一个重要节点,其对双喇叭互通立交内车辆顺畅、高效、便捷地运行等起着至关重要的作用。以连接段交织区车辆的变换车道分析为切入点,研究交织区车辆变换车道的车头安全间隙,进而分析连接段交织区的通行能力,根据双喇叭互通式立交的通行能力推算出连接段交织区的长度,据此确定无收费站双喇叭立交连接线的最小长度;从立交占地、车辆油耗、运行时间成本等,分析对无收费站双喇叭立交连接线的最大长度的限制。
Dual-horn intercommunication is one of the more commonly used forms of four-way toll interchange in China. As an important node in inter-dual-horn interchange, the dual-horn interchange provides a smooth, efficient and convenient vehicle for intercommunication To run and so plays a vital role. Based on the analysis of changing lanes in interlacing area of interlaced zone, the safety clearance of vehicle lane in interlacing zone is studied, and the capacity of interlacing zone in connecting zone is analyzed. The interlacing zone Based on this, the minimum length of double horn crossover cable without toll booths is determined. The limit of the maximum length of double horn crossover cable without toll booths is analyzed based on the area of interchange, vehicle fuel consumption and running time cost.