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Performance Evaluation of Disc Cutters in EPB/TBM Dual-Mode Shield Tunneling Machines in Full Section Hard Rock Strata
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Zhang SUN1, Zhenhua WANG2, Yihui JIANG3
Urban Rapid Rail Transit | 2024, 37(4) : 111 - 117
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Urban Rapid Rail Transit | 2024, 37(4): 111-117
• Civil Engineering Technology •
Performance Evaluation of Disc Cutters in EPB/TBM Dual-Mode Shield Tunneling Machines in Full Section Hard Rock Strata
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Zhang SUN1, Zhenhua WANG2, Yihui JIANG3
Affiliations
  • 1 Shenzhen Railway Investment and Construction Group Co., Ltd. Shenzhen Guangdong 518000
  • 2 China Railway No.3 Engineering Group Guangzhou 511400
  • 3 China Railway Southern Investment Group Co., Ltd. Shenzhen 518052
doi: 10.3969/j.issn.1672-6073.2024.04.016
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In order to enhance the excavation efficiency of an EPB/TBM dualmode shield machine and minimize disc cutter wear, the study was conducted on the performance of disc cutters along the Intercity Railway from Airport East Station to Huangmabu Station, Shenzhen. The research focused on the fullsection hard rock strata from ZDK8+583.0 to ZDK8+359.8 on the left side of the tunnel. Initially, the study analyzed cutter replacement conditions and wear patterns based on different functions and types of disc cutters to determine optimal performance criteria. Subsequently, the service life of the disc cutters under optimal conditions was evaluated to guide replacement scheduling. Finally, a tool information management system tailored to the project's requirements was established. The findings highlight that China Railway's wideblade disc cutter is wellsuited for excavating this specific formation. The implemented tool management system effectively manages comprehensive information about the tools, which helps ensure costeffective and efficient onsite operations. This research serves as a practical guide for choosing disc cutters for shield tunneling machines. It promotes better information management practices for disc cutters, leading to safer and more efficient operations.

rail transit  /  full-section hard rock  /  disc cutter performance  /  disc cutter wear  /  service life  /  tool information management system
Zhang SUN, Zhenhua WANG, Yihui JIANG. Performance Evaluation of Disc Cutters in EPB/TBM Dual-Mode Shield Tunneling Machines in Full Section Hard Rock Strata[J]. Urban Rapid Rail Transit, 2024 , 37 (4) : 111 -117 . DOI: 10.3969/j.issn.1672-6073.2024.04.016
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Year 2024 volume 37 Issue 4
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Article Info
doi: 10.3969/j.issn.1672-6073.2024.04.016
  • Receive Date：2024-01-03
  • Online Date：2025-07-09
Article Data
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History
  • Received：2024-01-03
  • Revised：2024-02-22
Funding
Affiliations
    1 Shenzhen Railway Investment and Construction Group Co., Ltd. Shenzhen Guangdong 518000
    2 China Railway No.3 Engineering Group Guangzhou 511400
    3 China Railway Southern Investment Group Co., Ltd. Shenzhen 518052
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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