全断面岩石掘进机盘形滚刀破岩力研究

doi:10.3901/JME.260602

摘要/Abstract

摘要： 盘形滚刀破岩力是TBM设计的理论基础，更是领域研究的热点和难题。一般通过盘形滚刀线性滚压破碎岩石的试验或软件模拟研究盘形滚刀破岩的垂直力和滚动力。对盘形滚刀圆形滚压破岩力的研究，尤其是侧向破岩力，公开资料表明无论理论研究还是试验研究，尚须进行较深入的理论和试验探索。基于此，通过盘形滚刀的压痕试验和线性滚压破碎岩石的试验，发现了TBM盘形滚刀作用下岩石的“塑-脆”属性；理论研究证明TBM盘形滚刀圆形滚压破碎的岩石具有平面应变特性；据此建立了TBM盘形滚刀圆形滚压破岩力理论。试验研究发现，TBM盘形滚刀圆形滚压破岩力理论的垂直力理论值与试验值的平均相对误差为5.596%，滚动力理论值与试验值的平均相对误差为-4.696%，侧向力理论值与试验值的平均相对误差为5.3%。试验结果验证了理论研究的正确性。

关键词: 全断面岩石掘进机, 盘形滚刀, 破岩力, “塑-脆”属性, 平面应变

Abstract: The rock breaking force of disc cutters is the theoretical foundation of TBM design and is also a hot and challenging topic in the field. Generally, the rock breaking force of disc cutters is studied through experiments of linear rolling and crushing of rocks or software simulations, focusing on the vertical and rolling forces of the disc cutters. Research on the circular rolling and crushing rock force of disc cutters, especially the lateral rock breaking force, indicates that both theoretical and experimental studies need further exploration. Based on this, the research discovers the “plastic-brittle” properties of rocks under the action of TBM disc cutters through indentation tests and linear rolling and crushing rock tests. Theoretical research proves that the rock crushed by circular rolling of TBM disc cutters has plane strain characteristics. Accordingly, a theoretical model for the circular rolling and crushing rock force of TBM disc cutters is established. Experimental research finds that the average relative error between the theoretical and experimental values of the vertical force of the TBM disc cutter circular rolling and crushing rock force theory is 5.596%, the average relative error between the theoretical and experimental values of the rolling force is -4.696%, and the average relative error between the theoretical and experimental values of the lateral force is 5.3%. The experimental results verify the correctness of the theoretical research.

Key words: tunnel boring machine, disc cutters, rock breaking force, “plastic-brittle” properties, plane strain

中图分类号:

U455

张照煌, 程克凤, 卓兴建, 全星宇, 贾连辉. 全断面岩石掘进机盘形滚刀破岩力研究[J]. 机械工程学报, 2026, 62(11): 372-382.

ZHANG Zhaohuang, CHENG Kefeng, ZHUO Xingjian, QUAN Xingyu, JIA Lianhui. Rock Breaking Force of Disc Cutters in Tunnel Boring Machine[J]. Journal of Mechanical Engineering, 2026, 62(11): 372-382.

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http://www.cjmenet.com.cn/CN/Y2026/V62/I11/372

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