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随公路路基质量的稳定性影响到道路的寿命以及行车的安全。针对公路路基设计中常出现的问题进行了探索和研究,找到有效合理的方法对路基进行科学的建设,为以后的公路路基设计提供相应的理论基础。由于公路对国民经济发展密切相关,从公路路基高度设计、路基排水系统的设计、公路路基设计中的填料选择问题以及公路路基设计中的边坡防护问题四个方面,分析了路基设计可能存在的问题以及这些问题对公路产生的不好的影响,进而提出对应的注意事项,以便让路基的设计更合理,从而制定了科学合理的解决对策,提高公路路基的设计质量。让公路路基、路面达到一定的稳定性,让车辆在行驶时更加安全,延长道路的使用寿命,好好地科学地解决以上问题,从而采用灵活有效的防护方式进行科学合理的设计。
With the stability of highway subgrade quality affect the life of the road and traffic safety. In order to find out the effective and reasonable method to construct the roadbed in a scientific way, this paper provides the theoretical basis for the future design of roadbed. As highway is closely related to the development of the national economy, this paper analyzes the possible existence of subgrade design from four aspects: the design of highway subgrade, the design of subgrade drainage system, the choice of packing in highway subgrade design and the slope protection in roadbed design Problems and the bad effects of these problems on the highway, and then put forward corresponding precautions to make the design of the roadbed more reasonable, so as to formulate a scientific and reasonable solution to the problem and improve the design quality of the roadbed. Let the highway subgrade and pavement achieve a certain degree of stability, make the vehicle more safer while driving, prolong the service life of the road, and solve the above problems scientifically so as to adopt a flexible and effective protection method to carry out scientific and rational design.