基金项目：国家西部交通建设科技项目(2005 318 812 13)
作者简介：傅珍(1976-),女,河南鹤壁人,长安大学工学博士研究生,从事道路工程研究.Fu Zhen(1976-), female, doctoral student, +86-29-83143206, fuzhen524@sina.com
作者简介：导师:王选仓(1956-),男,陕西西安人,长安大学教授.Wang Xuan-cang(1956-), male, professor, +86-29-82334336, wxc2005@sohu.com.
作者单位：傅珍（长安大学,特殊地区公路工程教育部重点实验室,陕西,西安,710064）
王选仓（长安大学,特殊地区公路工程教育部重点实验室,陕西,西安,710064）
陈星光（广东省公路勘察规划设计院,广东,广州,510507）
李宏志（河南高速安新改建工程项目部,河南,新乡,450003）
史建平（河南高速安新改建工程项目部,河南,新乡,450003）
王磊（河南高速安新改建工程项目部,河南,新乡,450003）
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