阿尔及利亚175铁路项目线路坡度设计研究

线路坡度设计应根据运营要求、主要技术标准、地形条件比选确定。阿尔及利亚175项目线路设计的目标是，如何在满足运营要求和合同技术标准规范的前提下，根据线路所在区域的地形条件，选取坡度设计值，实现所需要的运输能力，缩短运营时间，降低工程造价。175项目线路坡度设计值采用的是合同技术规范规定的坡度极限值，通过主要技术标准的分析研究，对采用坡度极限值相应坡段对运营造成的影响的分析，及线路方案的技术比选和运营比选证明，该线路坡度设计值可以使175项目线路设计的目标得以实现。

Study on Slope Design for Algeria 175 Railway Project

The slope design should be according to operation requirements, principal technical standard and terrain conditions. The Algeria 175 Project aimed to, based on local terrain conditions, have a slope design to meet the required transport capacity, shorten the operation time and reduce the project cost at the premise of achieving the required operation requirements and according to the technical standard specified in the contract. As a result, the Project selected a gradient limit specified by the technical specification in the contract. From the analysis and study given by technical standard in relation to both the influence of the slope section using this gradient limit on the operation and the comparison made between the technical and operational aspects of the line proposals, it was proved that the slope design herein could make the goal of the line proposal for the Algeria 175 Project realized.