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XCMG Air-Powered Down-the-Hole Hammer Rotary Drilling Rigs Deployed at Hong Kong's Victoria Harbour

2016-01-26 805 0人评论

　　近日，香港的维多利亚海岸上，三台徐工气动潜孔锤旋挖钻机正在紧张施工，该工程是正在兴建的香港地铁沙中线。维多利亚港标段是整条地铁线路的核心工程，该标段地层坚硬、复杂，设计桩径813mm，入岩20米，最大基岩硬度超过100MPa，徐工气动潜孔锤旋挖钻机平均每小时钻孔深度6至8米，是传统旋挖钻机施工效率的3至5倍。
　　XR系列气动潜孔锤旋挖钻机是专门针对香港地区超硬岩桩基础施工而开发的产品，该产品打破了传统旋挖钻机的施工理念，大胆将旋挖钻机与气动潜孔锤工法结合起来，利用潜孔锤冲击破碎的原理破碎硬岩，攻克了硬岩地层施工效率慢、钻具磨损快的行业性难题，成倍的提升了施工效率。在国内西南，华南等地区极具推广价值。
　　XR系列气动潜孔锤旋挖钻机的成功研发，是徐工人面对行业难题，不怕艰险，勇攀高峰的典型例证。此次徐工气动潜孔锤旋挖钻机施工，结束了香港地区旋挖钻机不能施工的历史，使徐工成为内地唯一一个进入香港高端市场的国产旋挖钻机品牌。

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XCMG Air-Powered Down-the-Hole Hammer Rotary Drilling Rigs Deployed at Hong Kong's Victoria Harbour

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