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建国后,我国的公路沥青混凝土路面设计规范曾先后经过1958年、1966年、1978年、1986年、1997年、2006年的数次变动,而路面设计指标,亦经过不同程度的变化。准确理解和应用这些设计指标,对规范设计环节、引导设计具有积极意义。从我国沥青混凝土路面主要设计指标之一的设计弯沉出发,对其历史渊源和精神实质问题进行了阐述,并对其存在的不足和需改进的方面进行了必要的探讨。同时,也借此机会与有关专家探讨和研究我国沥青混凝土路面设计弯沉指标的若干问题。
After the founding of the People’s Republic of China, the design specifications of highway asphalt concrete pavement in our country have undergone several changes in 1958, 1966, 1978, 1986, 1997 and 2006, while the pavement design indexes have undergone changes in varying degrees. Accurate understanding and application of these design indexes have a positive meaning to regulate the design links and guide the design. Starting from the design deflection of one of the main design indexes of asphalt concrete pavement in our country, the paper elaborates the historical origin and spiritual essence of the asphalt pavement, and discusses the existing problems and the aspects to be improved. At the same time, also take this opportunity to discuss with the relevant experts and research of China’s asphalt concrete pavement design deflection of a number of issues.