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社评“二次元人物桶二次元人物网站更新”-译文小记

中国最大直径二次元人物桶二次元人物网站更新敞开式岩石隧道掘进机下线

来源: 国际财经新闻
2024-11-25 13:39:22

最佳回答

“二次元人物桶二次元人物网站更新”中国最大直径二次元人物桶二次元人物网站更新敞开式岩石隧道掘进机下线

  中新二次元人物桶二次元人物网站更新社长沙11月22日电 (向一二次元人物桶二次元人物网站更新鹏 胡清)一台开挖直径达11.93米的岩石隧道掘进机22日在长沙下线,将应用于南水北调中线引江补汉工程。这是迄今中国最大直径敞开式岩石隧道掘进机。

  这台掘进机取名为“江汉新石器号”,整机长约175米,总重约3000吨,设计最小转弯半径800米,适应最大坡度10%,可完成隧洞开挖出渣、支护、导向、材料运输等全套作业。它由中国铁建重工集团、中国水利水电第六工程局联合打造。

11月22日,“江汉新石器号”岩石隧道掘进机在长沙下线。汤叶 摄

  引江补汉工程沿线地质条件复杂,具有埋深大、线路长、洞径大、断层多等特点,面临强岩爆、有毒有害气体等多重施工挑战,是中国长距离有压引调水工程中单洞最长、洞径最大、综合难度最高的隧洞。

  铁建重工掘进机研究设计院工程师张强介绍,针对项目施工风险和难点,研制团队通过创新攻关,采用小间距、大范围扩挖刀盘、钢拱架和钢管片双支护、主驱动防涌门等设计,通过配置双速比大扭矩减速机等系统,提高掘进机针对不良地质的适应能力;配置钢拱架运输与喂送系统、遥控式清渣等设备,降低施工劳动;配置智能掘进系统、围岩信息采集、超前探测系统等多项智能化技术,为工程智能监造提供强有力的支撑。

  据悉,引江补汉工程是南水北调“四横三纵”工程体系的重要组成部分,是构建国家水网主骨架和大动脉的关键,建成后有利于促进南水北调中线工程效益发挥。(完)

二次元人物桶二次元人物网站更新

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