极端复杂地质TBM研制及高效施工关键技术

doi:10.3973/j.issn.2096-4498.2020.S2.035

中国科学引文数据库（CSCD）来源期刊
中文核心期刊中文科技核心期刊
Scopus RCCSE中国核心学术期刊
美国EBSCO数据库俄罗斯《文摘杂志》
《日本科学技术振兴机构数据库（中国）》

隧道建设（中英文） ›› 2020, Vol. 40 ›› Issue (S2): 271-279.DOI: 10.3973/j.issn.2096-4498.2020.S2.035

极端复杂地质TBM研制及高效施工关键技术

秦银平^{1, 2}, 孙振川^{1, 2}，张兵^{1, 2}, 赵海雷^{1, 2, *}

（1. 盾构及掘进技术国家重点实验室，河南郑州 450001； 2. 中铁隧道局集团有限公司，广东广州 511458）

出版日期:2020-12-31 发布日期:2021-03-22

Development of TBM in Extremely Complex Geology and Key Technology of Efficient Construction

QIN Yinping^{1, 2}, SUN Zhenchuan^{1, 2}, ZHANG Bing^{1, 2}, ZHAO Hailei^{1, 2, *}

（1. State Key Laboratory of Shield Machine and Boring Technology, Zhengzhou 450001, Henan, China; 2. China Railway Tunnel Group Co., Ltd., Guangzhou 511458, Guangdong, China）

Online:2020-12-31 Published:2021-03-22

摘要/Abstract

摘要： 为解决全断面硬岩掘进机在极端复杂地质掘进效率低下的难题，考虑极端复杂地质环境条件和全断面硬岩掘进机技术特点，首先，制定极端复杂地质全断面硬岩掘进机技术指标，研制极端复杂地质全断面硬岩掘进机，提出变截面收敛地层扩挖技术；然后，基于破碎围岩地质特征，建立关键参数控制、小导管化学灌浆、管棚注浆、小导洞开挖技术协同作业方法，并应用于解决破碎围岩地层；针对岩渣堆积掘进效率低下的问题，建立机械除渣和皮带机出渣联合清渣模式；最后，通过高黎贡山极端复杂地质掘进验证了本文研究成果。结果表明： 1）全断面硬岩掘进机在Ⅱ、Ⅲ级围岩条件具有较高的进尺速度，设备完好率较高； 2）Ⅳ、Ⅴ级围岩为主的破碎地层具有较好的适应性，实现刀具磨损一般的情况下最高月进尺达到了438 m，平均月进尺为412 m，表明具有良好的地质适应性。

关键词: 极端复杂地质, 全断面硬岩掘进机, 支护系统, 软弱破碎地层, 关键技术, 掘进性能分析, 铁路隧道

Abstract: The fullface rock boring machine works inefficiently in extremely complex geology. To solve the problem, based on the consideration of extremely complex geological environment conditions and technical characteristics of fullface rock boring machine, the following work were done: First, technical indexes of fullface rock boring machine in extremely complex geology are formulated, and the fullface rock boring machine for extremely complex geology is developed, and the expanding excavation technology for variable crosssection convergence stratum is proposed. Second, in view of the geological characteristics of broken surrounding rock, the cooperative operation methods of key parameter control, small tube chemical grouting, pipe shed grouting and small pilot tunnel excavation technology are established, which are applied to solve the broken surrounding rock stratum; Third, aiming at the problem of low efficiency of rock slag accumulation excavation, the combined slag removal mode of mechanical slag removal and belt conveyor slag removal is established; Finally, the extremely complex geological excavation in Gaoligong Mountain verified the research results. The results show that: (1) The full face Hard Rock Roadheader has high footage speed and high equipment integrity rate in class II and III surrounding rock conditions. (2) The broken stratum mainly composed of class IV and V surrounding rock has good adaptability, and the maximum monthly footage reaches 438 m and the average monthly footage is 412 m under the general condition of tool wear, indicating that it has good geological adaptability.

Key words: extremely complex geology, full face hard rock roadheader, support system, weak and broken strata, key technology, tunneling performance analysis, railway tunnel

秦银平, 孙振川, 张兵, 赵海雷. 极端复杂地质TBM研制及高效施工关键技术[J]. 隧道建设, 2020, 40(S2): 271-279.

QIN Yinping, SUN Zhenchuan, ZHANG Bing, ZHAO Hailei. Development of TBM in Extremely Complex Geology and Key Technology of Efficient Construction[J]. Tunnel Construction, 2020, 40(S2): 271-279.

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极端复杂地质TBM研制及高效施工关键技术

Development of TBM in Extremely Complex Geology and Key Technology of Efficient Construction

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