Abstract: In this paper, the design methods of flexible pavement structures commonly used in world,suchas AASHTO,AI,Shell and Nottingham university Methods etc, are discussed, and,the ways of improv-ing the present design methods of flexible pavement structures used in China is presented.

Key words: flexible pavement, design methods, design standard

摘要： 本文对世界上现有几种有代表性的柔性路面设计方法（如AASHTO法、AI法(MS-l）、Shell法、Nottingham大学法）进行了评述，在此基础上，提出了我国柔性路面设计方法今后的发展方向，并对进一步完善我国柔性路面设计规范提出了建议。

关键词: 柔性路面, 设计方法, 设计规范