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面对目前大量的旧路改造拓宽,我国公路部门尚缺乏成熟的、统一的路基路面拓宽设计和施工方法,存在一些亟待解决的关键技术问题。结合河南省叶集~信阳高速公路路基拓宽改造项目,分析了移动载荷对路基路面的影响,并通过该项目总结出了高速公路路基拓宽修筑的几点体会。
In the face of a large amount of reconstruction of old roads, there is still a lack of mature and unified methods for widening the design and construction of subgrade and pavement in our country’s highway departments. There are some key technical problems to be solved urgently. Combined with Henan Province Yeji ~ Xinyang Expressway embankment widening reconstruction project, the impact of moving load on subgrade and pavement is analyzed, and through the project summed up the highway embankment to broaden the construction experience.