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以大桥建设所必需的钢材为例,港珠澳大桥因采用钢箱梁结构,其所需42万吨钢材如按照传统工艺生产,耗时将超过10年,而采用自动化生产线进行标准化、工厂化的生产与施工,又对钢铁行业提出了很高的投资要求。能否将工程的需要与产业的需求结合,尤为关键。
中铁山桥、武船重工、中铁宝桥和上海振华等国内企业承担了钢箱梁和组合梁生产任务。这些企业为此专门赴国外考察,随后对整个生产线进行全面改造,引入自动化生产线,并配上焊接机器人,最终按工期要求完成了任务。
“国内许多钢铁企业都对这个项目感兴趣,对双方来说都是难得的机遇。”高星林说。
国内钢铁企业不仅通过港珠澳大桥项目建设积累了丰厚的经验,还以新的“中国标准”得到了国外的认可。中铁山桥、武船重工、中铁宝桥等企业依靠改进升级后的生产线,相继接到了挪威、德国的订单。
此外,作为一项使用新工艺、新技术、新材料的“超级工程”,港珠澳大桥还成为国内企业实现尖端领域和空白领域重要突破的“超级引擎”。以沉管隧道关键部件止水带为例,该产品长期为国外垄断、价格高昂,正是通过港珠澳大桥相关项目,国内对该技术实现突破,产品指标达到国际同类水平。
作为平台,“超级工程”也是国内先进技术的最佳应用场。“我们期待,越来越多的大型工程能够像港珠澳大桥一样,在发挥引领中国制造转型升级上发挥‘超级引擎’作用。”苏权科说。
责任编辑:高宗影 CN060
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