For a soft ground subgrade, the widening engineering of highway focuses not only on the soft ground fills in new section, but on the joint of new and old subgrade.
在软土地基上，公路路基的加宽工程除了要重点解决好填方路段新路基下软基处理方案，还要处理好新老路基之间的衔接即新老路堤的不均匀沉降问题。
The study may be useful to the selection, design and construction of subgrade treatments in highway widening engineering.
研究成果对路基拓宽工程中处治措施的选择、设计和施工具有重要的借鉴和指导意义。
The highway widening is an urgent issue in highway construction in the beginning of this century.
对现有旧路进行改扩建将是我国本世纪初公路建设所面临的亟待解决的问题。
The highway widening is an urgent issue in highway construction in the beginning of this century.
对现有旧路进行改扩建将是我国本世纪初公路建设所面临的亟待解决的问题。
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