Abstract: Based on the analysis and research on the investigation data of Qinghai-Tibet highway, this paper promotes the evaluation method and its forecast model of Qinghai-Tibet highway subgrade and pavement, and designs Qinghai-Tibet highway subgrade and pavement database .Based on this database, a subgrade pavement management system is presented .This system provides an advanced assistant tool for Qinghai-Tibet highway synthetic management

Key words: Qinghai-Tibet highway , engineering database , management information system, subgrade condition evaluation , subgrade pavement management system

摘要： 通过对青藏公路实际调查和数据的分析，研究青藏公路各种病害，并加以分类，提出了青藏公路路基路面 评价方法，设计了青藏公路路基路面管理数据库，建立了青藏公路路基路面管理系统，为青藏公路综合管理提供 了先进的辅助工具

关键词: 青藏公路, 工程数据库, 管理信息系统, 路基状况评价, 路基路面管理系统