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壮哉中国桥:五年内新建九万座 穿云跨海行天下

2017-08-11 08:14:37   央广网

世界最高十座大桥,我国拥有

8座

不断突破世界性技术难题

“纵观世界桥梁建设史,上世纪70年代以前要看欧美,90年代看日本,而到了21世纪,则要看中国。”在世界桥梁建筑领域,这已是大家公认的观点。

结出累累硕果的背后,是我国在桥梁建设技术上不断取得重大突破。十八大以来,我国广大桥梁建设者与科研人员在工程实践的基础上,紧跟国际桥梁建设前沿技术,不断在桥梁结构体系设计、核心材料研发、关键施工工艺、施工装备创新上刻苦攻关,使我国桥梁建设水平显著提升。

2013年7月,嘉绍大桥正式建成通车。这座大桥一举攻克了多塔斜拉桥结构体系、刚性铰新型装置、钢箱梁检查设备关键技术难题,项目成果获得了2016年国际桥梁大会古斯塔夫·林德撒尔奖、2016年国际道路联合会全球道路设计成就奖,在世界范围内得到了广泛认可。5年来,这样突破世界性技术难题的中国桥梁还有很多。

2013年建成的泰州长江公路大桥,在世界上首次实现了多塔连跨悬索桥的千米级突破,为建设跨越宽阔江海水域的桥梁提供了新的方案。

2016年,马鞍山长江大桥获得第三十三届国际桥梁大会最高奖——乔治·理查德森奖,此前,武汉天兴洲长江大桥、南京大胜关长江大桥等多座桥梁先后斩获大奖。

国际桥梁与结构工程协会副主席、同济大学教授葛耀君表示,我国正从桥梁建设大国走向桥梁建设强国,未来5到10年中,我国桥梁技术和桥梁建造水平还将有更新更大的突破。

公路桥梁,我国共有

80.5万座

为区域发展打通瓶颈

2016年12月29日上午,随着一辆辆汽车驶上桥面,北盘江大桥正式通车,这也使得杭瑞高速贵州段实现了全面贯通。至此,云贵两省又增加一条高速通道,云南宣威到贵州六盘水的车程由过去4小时缩短至1小时,黔川滇三省交界区域也得以快速融入全国高速公路网,从而步入发展快车道。

跨越江河湖海,联通深沟峡谷。5年来,一座座桥梁的建成,使一个个交通节点的连接更加紧密,也为不少地区的经济社会发展打通了瓶颈、铺平了坦途。

在江苏,泰州大桥三塔两跨悬索桥建成后,不仅缓解了省内过江公路交通的巨大压力,平衡了全省过江流量格局,还在缩小苏南、苏北区域经济社会发展差距,推动长三角主功能区的形成与发展等方面发挥了重要作用。

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