文章通过对旧路路基加宽方案的对比分析，提出了旧路加宽综合处治的优选思路及其依据。
After a comparative analysis on the plans of widening the roadbeds of old roads, the paper proposes the optimization of comprehensive treatment.
为达到提高加宽部分填土路基承载力、减少新老路面不均匀沉降的目的，寻求适宜的施工参数及施工工艺。
It is expected to raise the bearing capacity and decrease the uneven settlement of the widening road bed; and looking for the feasible construction parameters and construction technique.
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。
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.
提出改善加宽路基水温状态的措施，为加宽路基的设计提供一定的技术指导。
Proposed that the improvement broaden roadbed water temperature condition's measure, to widen the roadbed the design to provide certain technical guidance.
但在原路基两侧加宽路基很容易产生新旧路基的不均匀沉降，影响公路的使用质量，甚至会造成严重的后果。
The uneven sedimentation between the new and old roadbeds often occurs in this kind of improvement projects, and the subsidence could affect the quality of highway, even cause serious consequences.
但在原路基两侧加宽路基很容易产生新旧路基的不均匀沉降，影响公路的使用质量，甚至会造成严重的后果。
The uneven sedimentation between the new and old roadbeds often occurs in this kind of improvement projects, and the subsidence could affect the quality of highway, even cause serious consequences.
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