Combining with some work experience,the paper sums up the precautions of the preparation in the early period of the widened roads,explores how to solve the environmental protection problems in the construction with the open traffic construction process,and the quality problems of the roadbed joint,and points out the reasonable suggestions,so as to ensure the construction costs,the quality,the progress,and the environmental protection to achieve the expected aims.%结合工作经验,总结了公路改扩建前期准备工作中的注意事项,重点对如何解决边施工边开放交通施工过程中的环保问题和路基搭接质量问题进行了探讨,并提出合理化建议,以保证施工成本、质量、进度、环保达到预期目标。
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