公路网合理等级结构的确定，是公路网规划的组成内容之一，也是公路网布局优化的重要组成内容之一。
The determination of the rational highway grade structure is one part of highway network planning, it also is an important content of highway network layout optimization.
并运用单纯形方法对各规划年度的公路网等级结构进行了优化，通过综合分析得出客运需求高于货运的结论。
The grade structure of a road network in annual planning is optimized with the simplex method. Conclusions are reached through synthetic analysis.
高等级公路排水系统对于保障公路结构物的使用寿命和行车的通畅、安全具有十分重要的作用。
Drainage system of high-grade highway plays an important role in ensuring the lifetime of structure, avoiding traffic jam and securing vehicles.
在山区修建高等级公路，不可避免会遇到大量的高填路堤，高填路堤已成为路基的主要结构型式之一。
To construct high grade road in the mountainous area will meet the high filled embankment inevitably, the high filled embankment has become one main structure form of the roadbed.
本文介绍了高等级公路路肩结构设计、影响因素及其设计程序。
The paper introduced structure design, influence factor and design program of the shoulder in the High Grade Highway.
近年来随着高等级公路和城市轨道交通的修建，各种曲线梁桥结构在我国已被广泛采用。
With rapid developing of the high grade highway and the city orbit transportation in recent years, various kinds of curve beam bridge structure are already extensively adopted by our country.
介绍了高等级公路养护质量评价方法的流程和思路，分析了养护质量评价软件的开发过程、结构和功能设计。
This paper introduces the process and thought of maintenance quality evaluation system, and analyzes its development, structure and functions.
沥青路面具有力学强度好、行车平稳、低噪音及易于机械化施工等优点，已成为我国高等级公路的主要路面结构形式。
Asphalt pavement with advantages of good mechanical strength, smooth ride, low noise and ease of construction of the mechanization, has become China's main highway pavement structure.
研究结果可供高等级公路半刚性基层沥青路面结构设计和施工时参考。
In designing and constructing asphalt pavement structures with semi-rigid base course for the high-type highway, one can refer to the results from this research.
近年来沥青路面已经成为我国高等级公路路面结构的主要形式之一。
In recent years, asphalt pavement has become one of the main pavement structure in our country.
近年来沥青路面已经成为我国高等级公路路面结构的主要形式之一。
In recent years, asphalt pavement has become one of the main pavement structure in our country.
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