【摘要】 汶川特大地震对公路交通设施产生了巨大破坏,为了解川藏公路二郎山隧道因汶川地震受损情况,避免次生灾害的发生,确保抗震救灾生命线的畅通,对G318线二郎山隧道净空、衬砌厚度、衬砌强度、裂缝及渗漏水情况进行了全面的调查、检测和评估。结果表明,二郎山隧道主洞结构良好,可确保隧道安全运营,无需进行维修。更多还原

【Abstract】 Wenchuan strong earthquake has brought vast damage to highway traffic facility.To understand the damage situation of Erlang mountain tunnel in SichuanTibet highway because of Wenchuan strong earthquake,avoid the occurrence of secondary disasters and ensure the relief lifeline unblocked,the comprehensive survey,detection and evaluation were carried out on the tunnel clearance,lining thickness,lining intensity,crack and water seepage situation of Erlang mountain tunnel on G318 road.The results show that the main tunnel was well structured to ensure the tunnel safe operation,no need to repair.更多还原