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君正储运公司铁路专用线位于内蒙古自治区乌海市乌达工业园区内,自厂区至接轨点为连续下坡,线路长度短,且受地形及地物条件限制,不具备展线条件,只能采用较大坡度来增加线路走行高度,从而节约工程投资。由于从厂区至接轨点为本线的重车方向,故本线最大坡度的选择需满足列车长大下坡道缓解充风时间及制动空走时间验算要求。本次研究不仅从理论上计算出了最大坡度,还结合线路纵断面验证了最大坡度的可行性及合理性,并就不同行车方式给出了最大坡度的选择值。
Junzheng storage and transportation company railway line is located in Wuhai City, Inner Mongolia Autonomous Region Wuda Industrial Park, from the factory to the junction of continuous downhill, the line length is short, and subject to topography and terrain conditions, do not have the conditions of the exhibition line, only Can use a larger slope to increase the line height, thus saving engineering investment. Because from the factory to the junction of the main line of the heavy car direction, so the choice of the maximum gradient of the line to meet the growth of the train down ramp to ease the time of filling and brake clearance time checking requirements. This study not only theoretically calculated the maximum gradient, but also verified the feasibility and rationality of the maximum gradient in combination with the longitudinal section of the line. The maximum slope selection value was given for different driving modes.