中吉乌铁路吉国境内段限制坡度方案研究<sup>*</sup>

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Abstract Research purposes: The Kyrgyzstan Section of China-Kyrgyzstan-Uzbekistan Railway, locates at the western part of the southern Tianshan Mountains of the Tianshan Mountains. The railway crosses the Mordor Mountains, Fergana Mountains, the Turgay Mountains, the Altay Plateau Basin and other 10 geomorphic units. The highest point near the railway, Mount Jamandavan has a height of 4 205 m, and the lowest point Jalalabad has a height difference of 722 m, with a relative height difference of 3 483 m. The geological condition of railway engineering is complicated. 1 435 mm standard gauge is adopted for the section from Turkah to Makhmal, and 1 520 mm wide gauge is adopted for the southern section from Makhmal to Jalalabad. This paper focused on the selection of the ruling gradient of the railway and the difficulties in the project institute.
Research conclusions: (1) According to the characteristics and relevant specifications of the project, the paper considered the terrain and geological conditions along the railway, the characteristics of the cargo to be transported, the traction quality of the train, the selection of locomotive, and the project investment and the comprehensive economy. (2)The study of ruling gradient was divided into two sections. The standard rail section studied the four programs of 18‰, 20‰, 24‰ and 25‰, and the wide rail section studied the four programs of 18‰, 20‰, 24‰ and 27‰, and qualitative analysis of the above programs were carried out respectively. In order to reduce the project investment, improve the project economy, match the transportation organization, optimize the transportation conditions, and ensure the operation safety, it is recommended to adopt the 20‰ scheme for ruling gradient of the Kyrgyzstan section of China-Kyrgyzstan-Uzbekistan railway.(3) The research ideas and methods can provide reference for the construction of the foreign railway.

Key words： China-Kyrgyzstan-Uzbekistan Railway Kyrgyzstan Section ruling gradient operation safety project investment

Received: 15 April 2024

PACS:

U212.1

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ZHANG Xiaodong. Study on Ruling Gradient of the Kyrgyzstan Section of China-Kyrgyzstan-Uzbekistan Railway[J]. Journal of Railway Engineering Society, 2024, 41(6): 23-27.

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https://tdgcxb.crec.cn/EN/ OR https://tdgcxb.crec.cn/EN/Y2024/V41/I6/23

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