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兰海高速遵贵扩容工程通车 打开西南出海大通道

2018-01-04 19:02:20   中国新闻网

中新网贵州遵义1月2日电 (周燕玲 贺俊怡)1月2日中午,兰海高速遵贵扩容工程全线通车。通车后,不仅有效缓解贵遵高速的交通压力,促进贵阳与遵义工业化、城镇化、同城化发展,同时将成为黔中经济区对接成渝经济区、长江经济带以及“一带一路”的陆路大动脉。

航拍大雾中通车的香火岩特大桥。 贺俊怡 摄

遵贵扩容工程主线长121公里,起于遵义市青山枢纽互通,连接已建成的杭瑞高速思南至遵义段和青檬高速,经喇叭、开阳、禾丰、羊昌等,止于贵阳市下坝枢纽,接兰海高速贵阳至新寨段和贵阳绕城高速,是贵州第一条全程双向六车道高速公路,设计时速为100公里每小时。

车辆从楠木渡乌江特大桥上驶过。 贺俊怡 摄

记者了解到,贵遵高速自1997年全面建成以来,既是连接革命老区遵义的重要“红色旅游”线,也是“西南出海大通道”的骨干路段。然而,随着时代快速发展,车流量快速增长,如今的贵遵高速公路行车条件无法满足来自社会各方面的行车需求。

贵阳市十里画廊收费站鸣放烟花庆祝通车。 贺俊怡 摄

因此,2015年兰海高速遵贵扩容工程(贵遵高速复线)开工建设。凿洞架桥,这在贵州的高速公路修建中并不稀奇,遵贵扩容工程的难度系数也不小。

据贵州高速公路集团遵贵扩容项目建设办公室主任、总监理工程师朱大权表示,遵贵扩容工程所穿越的地区地势地貌复杂,有青山枢纽互通、两山口隧道群、乌江特大桥等众多特大型桥梁隧道交错。

遵贵扩容工程主线青山至李资段的121.511公里路段,就架设桥梁90座,长度达到28899.78米,其中特大桥6303.9米/6座,大桥21395.58米/65座;另外还有隧道4940米/7座,桥隧比30.69%。

航拍大雾中通车的香火岩特大桥。 贺俊怡 摄

其中,楠木渡乌江特大桥是项目全线最大的桥梁,958米的桥全长在贵州混凝土斜拉桥中也是首屈一指。根据测算,这座大桥桥面不同季节热胀冷缩因其的桥面长度变化可达65厘米。

遵贵扩容工程全线通车后,每日可承载5万以上车次的通行量,至少缩短遵义到贵阳45分钟的车程,极大缓解了贵阳和遵义两地间的拥堵状况,完善西南陆路交通枢纽。(完)

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