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介绍了旧路路基拓宽过程中遇到的基本问题及处理措施。如何解决好新旧路基、路面结合部的不均匀沉降问题,有效防止施工过程中引起的路面纵向裂缝。
The basic problems encountered in the process of broadening old subgrade and its treatment measures are introduced. How to solve the problem of uneven subsidence between old and new subgrade and pavement junction, and effectively prevent longitudinal cracks caused in the pavement during construction.