To improve the traditional road alignment designs for interchange design, the writer presents a 3-dimension alignment method for road, highway and interchange design.
本文针对传统的道路定线设计方法在立交定线设计中的不足与局限性，提出了一套用于道路、公路与立交设计的三维定线设计方法。
The structural formation, design and construction features of the steel box girders for Ramp Bridges Z3 and Z4 of Tonghuihe North Road Highway Interchange in Beijing are described.
介绍北京通惠河北路道路立交中的Z 3、Z 4匝道桥钢箱梁的构造、设计和施工特点。
With the rapid development of traffic base devices and continuous improvement of highway grade, such as large interchange bridge and viaducts are widely used in bridge construction.
随着交通基础设施工程建设的飞速发展和公路等级的不断提高，大型互通桥梁、高架桥梁日益增多，支座被广泛地使用于桥梁中。
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