土耳其 250 km/h 客货共线铁路缓和曲线长度的确定

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Abstract Research purposes: The transmeridional railway lines in turkey intends to 180 ～ 250 km / h target speed， mixed passenger and freight traffic ，while there is not the standard of mixed passenger and freight traffic above 200 km/h in china ，the paper focuses on the transition curve length of the railway line for mixed passenger and freight traffic with speed of 250 km / h．

Research conclusions:(1) The transition curve length of the railway line for mixed passenger and freight traffic with speed of 250 km / h need consider the unbalanced rate of lateral acceleration slope and rate of superelevation slope． (2) When the radius of curve is certain ，the superelevation is greater with the higher speed; when the speed of the high － speed train traffic is certain ，the value of the design superelevation is the main factor which determines transition curve length． (3)The mixed passenger and freight traffic with speed of 250 km / h need consider the comfort and the safety of the high － speed train and the low － speed train， the value of design superelevation is smaller than the passenger dedicated line ， and the transition curve length is shorter．

Key words： deficient superelevation surplus superelevation passenger and freight railway curve radius transition curve length

Received: 21 February 2012

PACS:	U212
	U238

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Cite this article:

ZHANG Jian. Determine the Transition Curve Length of the Railway Line for Mixed Passenger and Freight Traffic with Speed of 250 km / h in Turkey[J]. 铁道工程学报, 2012, 29(6): 10-14.

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http://tdgcxb.crec.cn/EN/ OR http://tdgcxb.crec.cn/EN/Y2012/V29/I6/10

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