【摘要】 "5·12汶川大地震"造成国道213线都江堰至汶川公路桥梁严重毁坏。介绍该段线路桥梁、隧道及防护工程的主要受损情况、抢通方案及其施工技术,并提出部分技术改进建议。更多还原

【Abstract】 The "May 12 Wenchuan Earthquake" caused severe damage to the roadways and bridges on Dujiangyan-Wenchuan Highway on the National Road 213. This paper presents the major damage situations of the bridges,tunnels and roadway protection works on the Highway,the emergency rehabilitation and strengthening schemes as well as the related construction techniques and also gives some proposals for the technical improvement.更多还原