凭借"掘、支、运"一体化协同作业，"启明号"在高水压复合地层中，成功解决了"看不见、测不准"等施 工难题，推动竖井施工向"井下无人化、井上少人化"跨越，创造了日掘进最高4米，平均2.7米的优异成 绩，大幅提升施工效率与质量，为后续竖井机械化施工奠定坚实基础。 崇太长江隧道全长14.25千米，设有竖井3座，是国家"两重项目"沪渝蓉高铁沪宁段的关键控制性咽喉工 程。其中，2号竖井为临江漫滩条件下的超深富水圆形竖井，采用预制装配式结构，直径达24.0米，掘 进深度56.08米，该竖井位于长江南岸大堤仅200米处，地下水位高，与长江水系连通性强，地质环境复 杂，施工难度与安全风险极为突出，是保障"领航号"盾构机接收与二次始发的关键工程节点。该隧道工 程由长江沿岸江苏公司建设、上海国铁建管公司建设管理、中铁隧道局施工。 "启明号"掘进任务的顺利完成，标志着我国在大直径、超深竖井机械化、智能化施工领域再次取得重大 突破。其所形成的成套技术与工艺，将为未来深层地下空间开发等重大基础设施建设提供成熟可靠 的"中国方案"，有力推动我国隧道及地下工程建造技术的进步。 作为国家"八纵八横"高铁网的重要组成部分，崇太长江隧道对完善长 ...

原标题：最大直径竖井掘进机"启明号"掘进速度创纪录 施工过程中，凭借"掘、支、运"一体化协同作业，"启明号"在高水压复合地层中成功解决了"看不见、 测不准"等施工难题，推动竖井施工向"井下无人化、井上少人化"跨越，创造了日掘进最高4米、平均 2.7米的优异成绩，大幅提升施工效率与质量，为后续竖井机械化施工奠定坚实基础。 "启明号"掘进任务的顺利完成，标志着我国在大直径、超深竖井机械化、智能化施工领域再次取得重大 突破。其所形成的成套技术与工艺，将为未来深层地下空间开发等重大基础设施建设提供成熟可靠 的"中国方案"，有力推动我国隧道及地下工程建造技术的进步。（何亮） 原标题：最大直径竖井掘进机"启明号"掘进速度创纪录 来源：科技日报 1月30日，由我国自主研制的世界最大直径竖井掘进机——"启明号"在沪渝蓉沿江高铁崇太长江隧道2号 竖井开挖到底，实现了当月始发、当月完成掘进任务（56.08米）的目标，创造了高铁竖井掘进机直径 最大、掘进速度最快的纪录。 崇太长江隧道全长14.25千米，设有3座竖井，其中2号竖井位于长江南岸大堤仅200米处，地下水位高， 与长江水系连通性强，地质环境复杂，施工难度与安全风险极为突出 ...

Core Insights - A significant engineering achievement has been made by the China Coal Science & Technology Group in Xinjiang, successfully implementing a 1500-meter deep water conveyance tunnel grouting project, setting a world record for the deepest surface grouting [1] Group 1: Engineering Challenges and Innovations - The project faced unprecedented challenges due to high geostress, high water pressure, and the presence of a 300-meter wide fault zone at a depth of 1500 meters, which traditional methods struggled to address [2] - An innovative exploration method was developed, utilizing surface directional drilling and advanced techniques such as borehole geophysical exploration and hydrological analysis, creating a comprehensive exploration system [2] - The team achieved a breakthrough in accurately identifying fault characteristics at great depths using deep-hole long-distance geophysical exploration technology, with a detection range of 2504 meters [2] Group 2: Grouting Techniques and Outcomes - The project team implemented a "segmented strategy and precise grouting" approach, developing specialized materials and equipment to perform precise grouting under ultra-high pressure conditions of 40 MPa, equivalent to 400 atmospheres [3] - The successful execution of this project fills a gap in China's ultra-deep water conveyance tunnel grouting technology, marking a significant advancement in geological exploration and grouting techniques [3] - This achievement not only addresses practical engineering challenges but also provides reliable technical support and valuable experience for the safe development of deep underground spaces globally [3]