旭腾基础历时3个月圆满完成马鞍山公铁两用长江大桥Z3主塔直径4米、共36根钻孔灌注桩工程。该项目我公司一共投入7台大型旋挖钻机，其中XR800E型旋挖钻机一台、XR700E型旋挖钻机一台、XR600E型旋挖钻机二台、XR580型旋挖钻机二台、宝峨BG46型旋挖钻机一台。再次刷新了长江大桥大跨径桥梁施工史上最大直径入岩桩基施工的新记录。
马鞍山公铁两用长江大桥建成后将成为超大规模、超大双主跨、超高塔、超大直径钻孔桩等的组合体，将创下世界最大跨度三塔斜拉桥、世界最高桥塔、世界上内河最多和最大直径钻孔桩、世界最大规模桥梁桩基础等多项世界之最。
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