The rapid development of domestic high-speed railway requires further reduction of travel time, improvement of service quality and attraction of passenger flow. In view of the problem of passenger flow of acute angle, the paper analyzes the causes of the problem, defines the necessity of settlement and proposes surface untwining to solve the problem. The layout plans for untwining of passenger flow are studied for the intermediate station which converges with three directions, the existing junction station which converges with four directions and the terminal which converges with multiple directions. The route, characteristic, problem and application condition of each plan are discussed and plan 2, 3, 5, 7 and 8 are recommended in design. The weak points of each plan should be checked in actual application so as to meet the functional requirements and cut down engineering investment.%我国高速铁路已实现快速发展,进一步缩短旅行时间、提高服务质量和最大程度吸引客流是高速铁路发展的新要求.针对折角客流运输问题,分析其产生的原因,阐述解决的必要性,提出采用平面疏解法解决折角客流.研究衔接3个方向中间站、4个方向既有接轨站和多个方向枢纽折角客流疏解平面布置图型,对每种图型的进路、特点、存在问题和适用条件进行论述,推荐设计中采用图2、图3、图5、图7和图8五种图型,实际应用中需检算每种图型薄弱点的能力,实现满足功能要求,同时节省工程投资.
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