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马滩红水河特大桥开始吊装施工

2017-08-12 08:49:09   中国青年网

马滩红水河特大桥拱跨第一块拱肋正在进行吊装作业

本报记者

段柳健 摄

本报讯(记者 王志鹏 实习生 黄星彤 通讯员 覃鸿林 陈锋)昨日,目前国内最宽、规模最大,运用多项高精技术施工的马滩红水河特大桥顺利完成柳州岸下游第一节段拱肋吊装,标志着特大桥全面转入缆索吊装施工阶段。据悉,大桥计划2018年底建成通车。

据柳南高速公路改扩建工程七标总工程师杨占峰介绍,马滩红水河特大桥施工运用全国首例“长线法全拱半拼”拱肋制造技术、缆索吊装施工系统、拱肋钢管自密实无收缩混凝土真空辅助灌注、BIM系统等高难创新技术,不仅成功克服传统老旧施工弊病,确保施工质量,也缩短了大桥施工工期,提高了施工的安全性。

目前,柳南高速“四改八”工程已经完成工程的近60%,完成路基土石方81%,石质边坡挖方完成78%;软基处理完成85%。涵洞、通道完成90%,桥梁桩基完成97%,桥梁下构完成90%,梁板预制完成70%,梁板安装完成65%。尚未完成的工程主要集中在路面工程,目前整条线上5个标段都已开始施工沥青路面,其中4个标段已开始大规模铺设沥青路面。据了解,改扩建工程完成后,柳南高速日通行能力将达到4万辆以上,对柳南大动脉的通行起到根本性改善作用。

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