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通过合宁铁路工程实例,介绍了石灰改良膨胀土填筑路基的集中预拌路拌法施工工艺,对拌合效果进行了分析,提出了基床以下路基施工的质量控制措施,以保证路基施工的工程质量和进度。
Through the example of He-Ning railway project, the lime-improved expansive soil filling roadbed is introduced, and the mixing process is analyzed. The quality control measures of subgrade construction are put forward to ensure the construction of subgrade The quality and progress of the project.