Influence of Corrosion on the Abrasion of Cutter Steels Used in TBM Tunnelling

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• 作者：N. Espallargas (1)
  P. D. Jakobsen (2)
  L. Langmaack (3)
  F. J. Macias (2)
  
  1. Tribology Lab ; Department of Engineering Design and Materials ; Faculty of Engineering Science and Technology ; Norwegian University of Science and Technology (NTNU) ; 7491 ; Trondheim ; Norway
  2. Department of Civil Engineering and Transport ; Faculty of Engineering Science and Technology ; Norwegian University of Science and Technology (NTNU) ; 7491 ; Trondheim ; Norway
  3. BASF Construction Chemicals Europe Ltd. ; Zurich ; Switzerland
  
• 关键词：TBM ; Tunnel boring ; Abrasion ; Cutter steel ; Corrosion ; Tribocorrosion
• 刊名：Rock Mechanics and Rock Engineering
• 出版年：2015
• 出版时间：January 2015
• 年：2015
• 卷：48
• 期：1
• 页码：261-275
• 全文大小：3,343 KB
• 参考文献：1. AISI Type H13 Hot Work Tool Steel. MatWeb. Available online at: http://www.matweb.com/search/datasheet_print.aspx?matguid=e30d1d1038164808a85cf7ba6aa87ef7
  2. BASF, MasterRoc ABR 5 (Formerly known as Meyco ABR 5). Liquid anti-abrasion agent for hard rock & EPB Tunnel Boring Machines (TBM). http://www.basf-cc.com.au/en/products/SolutionsforMining/TunnelBoringMachines/Abrasion/MasterRocABR5/Pages/default.aspx
  3. BASF, MasterRoc SLF 41 (Formerly known as Meyco SLF 41). Soil conditioning foam for Tunnel Boring Machines. http://www.basf-cc.com.au/en/products/SolutionsforMining/TunnelBoringMachines/TBMFoams/MasterRocSLF41/Pages/default.aspx
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  9. Jakobsen PD, Langmaack L, Dahl F, Breivik T (2013) Development of the Soft Ground Abrasion Tester (SGAT) to predict TBM tool wear, torque and thrust. Tunn Undergr Space Technol 38:398鈥?08 CrossRef
  10. Jost PH (1966) Lubrication (tribology) education and research: a report on the present position and industry鈥檚 needs. Her Majesty鈥檚 Stationery Office, London
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  12. Ludema KC (1991) Cultural impediments to practical modeling of wear rates. In: Ludema KC, Bayer RG (eds) Tribological modeling for mechanical designers, ASTM STP 1105. American Society for Testing and Materials, Philadelphia CrossRef
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• 刊物类别：Earth and Environmental Science
• 刊物主题：Earth sciences
  Geophysics and Geodesy
  Civil Engineering
  
• 出版者：Springer Wien
• ISSN：1434-453X

文摘

Abrasion on tunnel boring machine (TBM) cutters may be critical in terms of project duration and costs. Several researchers are currently studying the degradation of TBM cutter tools used for excavating hard rock, soft ground and loose soil. So far, the primary focus of this research has been directed towards abrasive wear. Abrasive wear is a very common process in TBM excavation, but with a view to the environment in which the tools are working, corrosion may also exert an influence. This paper presents a selection of techniques that can be used to evaluate the influence of corrosion on abrasion on TBM excavation tools. It also presents the influence of corrosion on abrasive wear for some initial tests, with constant steel and geomaterial and varying properties of the excavation fluids (soil conditioners, anti-abrasion additives and water). The results indicate that the chloride content in the water media greatly influences the amount of wear, providing evidence of the influence of corrosion on the abrasion of the cutting tools. The presence of conditioning additives tailored to specific rock or soil conditions reduces wear. However, when chloride is present in the water, the additives minimise wear rates but fail to suppress corrosion of the cutting tools.