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根据武汉市轨道交通2号线采用的B1型车三轨下部受电的特点,提出在土建设计时,不管转辙机安装在道岔内侧还是外侧,只需根据信号专业的要求,考虑转辙机安装空间的预留、限界专业的要求以及道岔内外侧的加宽量。对曲线进站、设有停车线及人防隔断门等的车站限界要点进行分析,在确保行车安全的前提下节省土建投资。
According to the characteristics of the lower part of the three rail of B1 model used in Wuhan Metro Line 2, it is proposed that in the design of civil engineering, regardless of whether the switch is installed inside or outside the switch, only the signal professional needs to consider the switch machine Installation space reservation, professional requirements and the width of the widening of the inside and outside the turnout. On the curve into the stop, with a stop line and anti-man-made isolation points of the station boundaries analysis, to ensure traffic safety under the premise of saving civil investment.