连霍高速公路(G30)乌鲁木齐至奎屯段改扩建项目设计重点和难点分析

摘要

连霍高速公路(G30)乌鲁木齐至奎屯段改扩建项目采用"边施工,边通车"的改扩建方案.该改扩建方案在新疆公路建设史上前所未有,其设计难点和重点集中在以下3方面:1)对既有道路现状的评价;2)新老路基、路面及桥梁拼接;3)施工期间交通组织.针对以上重点和难点进行专题分析,其成果将为今后高速公路的改扩建项目积累经验.%The Reconstruction and Extension Project of Urumqi-Kuitun Section of Lianyungang -Huoerguosi Expressway ( G30 ) adopts "Construction & Service" solution. This solution has never been carried out in Xinjiang road construction history, the challenges and key points lie in the following 3 aspects:1 ) Evaluation to existing road status; 2 ) new & old road beds, pavement and bridge butt connection;3 ) Communication during construction period. The author has carried out specific study regarding above key points and challenges, the results may be experiences for future expressway reconstruction and extension projects.