Abstract: The quality plays a very important part in highway“product”.Along with the earlier damages being increasingly serious，the quality assurance systeMwill be gradually attached more importance to．The systeMemphasized not only the quality control in the construction，but also these characteristics of the pavement performance during the later using process． The research on quality warranty extensitMfor asphalt pavement is given，which could make many realistic efects On the construction of expressway.

Key words: asphalt pavemellt, quality waranty, pavement performance

摘要： 质量是公路“产品”的生命线．随着沥青路面早期破坏现象日益严重，质量保证系统将会逐渐受到重视，该系统 不仅强调施工过程中的质量特征，而且强调路面性能特征在随后使用年限中的表现．对延长沥青路面质量保证期作 探讨，对高速公路建设具有十分重要的现实意义．

关键词: 沥青路面, 质量保证期, 路面性能