挪威贝特斯塔德大桥钢箱梁吊装施工技术

Hoisting construction technology for steel box girders of Beitstadsund Bridge in Norway

贝特斯塔德大桥为挪威新建地方公路Fv.17/720(迪雷斯塔德至马尔姆项目)的一部分,位于挪威中部斯泰恩谢尔市,跨越贝斯塔德峡湾。该桥上部结构为钢混凝土叠合梁桥,全长580m,桥宽11m,共6跨,主跨为112m×2,建成时,为中国施工企业建造的最大跨度钢箱混凝土叠合梁桥,基础采用钢管外壳钢筋混凝土斜桩,水中承台采用薄壁圆角承台,墩柱采用实心钢筋混凝土。

The Betelstad Bridge is a newly built local road Fv in Norway P art of the 17/720(Direstad to Malm project)is located in the central Norwegian city of Steinscher,spanning the Bestad Fjord.The upper structure of the bridge is a steel box-concrete composite beam bridge,with a total length of 580m,a bridge width of 11m,and a total of 6 spans.The main span is 112m×2.When completed,it was the largest span steel box-concrete composite beam bridge built by a Chinese construction enterprise.The foundation is made of steel tube shell reinforced concrete inclined piles,the underwater pile cap is made of thin-walled circular angle,and the pier columns are made of solid reinforced concrete.