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随看国民经济的发展公路交通量增长很快,重型车辆比重增多,旧路每况愈下。对已通车的老路不可能废弃,势必要进行旧路改善、加宽提高技术等级。因而新、旧路基的结合、密实度一致从而达到沉陷均匀、新路基的稳定………等,不经过一定的技术措施处理,路线质量难以保证,以致出现前修后坏,造成浪费。如何分别不同路基状况,进行加固处理,进行了探索尝识并就干线公路改造加固中出现的问题和采取不同处理措施,收得良好效果。
With the development of the national economy, the volume of road traffic has increased rapidly, the proportion of heavy vehicles has increased, and the old roads have deteriorated. It is impossible to abandon the old road that has been opened to traffic, and it is bound to make improvement on the old road and widen the technical level. Therefore, the combination of new and old roadbed, the same consistency in order to achieve subsidence, the stability of the new roadbed ......... and so on, without a certain technical measures to deal with, the route quality is difficult to guarantee, resulting in pre-repair bad, resulting in waste. How to deal with different conditions of subgrade separately, carry out reinforcement and treatment, carry out exploration and understanding, and take various measures to deal with the problems occurred in the reconstruction and reinforcement of the main highway, and achieved good results.