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社评“铜铜铜铜铜铜铜铜好大好深色水好多”-环球时报

南水北调中线引江铜铜铜铜铜铜铜铜好大好深色水好多补汉工程首台硬岩掘进机“江汉先锋号”掘进始发

来源: 内蒙古日报
2024-12-02 23:42:11

最佳回答

“铜铜铜铜铜铜铜铜好大好深色水好多”南水北调中线引江铜铜铜铜铜铜铜铜好大好深色水好多补汉工程首台硬岩掘进机“江汉先锋号”掘进始发

  中新铜铜铜铜铜铜铜铜好大好深色水好多网北京12月2日电 (记者铜铜铜铜铜铜铜铜好大好深色水好多 阮煜琳)2日,随着“江汉先锋号”硬岩掘进机(TBM)刀盘在引江补汉工程4标8号检修交通洞掌子面缓缓启旋,引江补汉工程首台TBM在湖北省保康县掘进始发,引江补汉工程正式进入TBM隧洞掘进施工新阶段。

12月2日,南水北调中线引江补汉工程首台TBM“江汉先锋号”掘进始发。中国南水北调集团供图

  记者从中国南水北调集团获悉,“江汉先锋号”TBM是南水北调中线引江补汉工程首台下线的硬岩掘进机,也是目前国内引水隧洞项目中使用的最大直径单护盾硬岩掘进机,开挖直径12.23米,整机长度约160米,重约2800吨。设备搭载了综合地质预报系统、刀具磨损及状态监测系统、护盾卡机预警及评估系统等,能够有效应对沿线复杂地质条件。同时,该设备还创新性地突破了同步推拼技术,可实现隧洞掘进和管片拼装同步进行,施工效率可提升20%至40%。

  截至12月2日,引江补汉工程主隧洞掘进已超过3.3公里,沿线施工支洞掘进总计超过14.9公里,10台TBM设备已有4台完成下线验收,今年年底前还将完成2台下线验收。

  引江补汉工程是南水北调中线后续水源工程,连接三峡工程与南水北调工程两大“国之重器”,将三峡水库的长江水调入丹江口水库下游的汉江。工程建成后,可大幅提升中线一期工程的供水能力和供水保证率,大幅提高汉江流域及区域水资源调配能力,并为引汉济渭工程实现远期调水规模创造条件。(完)

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