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| Selection of Main Technical Standards for Railway Based on the Multi-objective Decision-making Model |
| YANG Chang-gen |
| China Railway Siyuan Survery and Design Group Co. Ltd，Wuhan，Huhei 430063，China |
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Abstract Research purposes: The main technical standards for railway are the basic standards for the railway 's buildings and equipment type，capacity and scale. So the selection of main technical standard for railway is related to the mufti-objective decision-making. Aiming at the difficulty in multiple objective decision-making for the selection of main technical standards for railway and based on the actual selection of main technical standards for the Guinea Simandou Railway，the auxiliary decision-making was implemented by using the mufti-objective decision-making model in order to explore a technically feasible ideas on overcoming the difficulty in the selection of main technical standards for railway based on the mufti-objective decision-making.
Research conclusions:(1)The main technical standards for railway are the basic constraint conditions for the railway alignment and design. ( 2 ) It is scientific and reasonable to define the selection of main technical standards for railway as an issue of multiple-objective decision-making.(3)Based on the mufti-objective decision making model with the linear weighted sum method for selection of main technical standards for railway is a technically feasible ideas on overcoming the difficulty in the selection of main technical standards for railway based on the mufti-objective decision-making. (4)The technical route of the selection of major technical standard for railway based on the mufti- objective decision-making model is available for the high-speed railway，ordinary speed railway and freight railway.
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Received: 20 February 2013
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2013, Vol. 30 
