Numerical investigation of TBM disc cutter cutting on microwave‑treated basalt with an unrelieved model

• Autorzy: Yang Chun , Hassani Ferri , Zhou Keping , Zhang Quan , Wang Famin , Gao Feng , Topa Ameen

Identyfikatory

DOI

10.1007/s43452-022-00463-z

• Języki publikacji: EN

Abstrakty

EN

Cutter wear or damage is a significant issue during tunnel boring machine (TBM) tunneling in hard rock. Microwave preconditioning has been verified as a promising approach to reduce cutter wear and enhance the TBM excavation efficiency. Thus, understanding the TBM cutting performance for microwave-treated hard rock is necessary. First, numerical verification of a cutting model was performed to examine the universality and reliability of the model. Then, the rock mechanical parameters of microwave-treated basalt were calibrated using linear Mohr-Coulomb theory. Finally, linear cutting simulations were conducted with an unrelieved rock model by considering the variables of the disc cutter penetration depth and microwave irradiation conditions. The numerical results indicated that the maximum reduction in the rolling and normal forces reached 38.38% and 44.95% (under a 5-kW microwave power and 3-mm penetration depth), respectively. A novel indicator of the linear friction energy was proposed to assess disc cutter wear, and the maximum reduction reached 36.81% under a microwave power of 5 kW and penetration depth of 4 mm. Considering the microwave weakening efficiency, TBM tunneling efficiency and cutter wear, microwave parameters including a high microwave power and short irradiation time were suggested for future practice.

Słowa kluczowe

EN

TBM excavation; tunnel boring machine; microwave assisted rock breakage; numerical simulation; unrelieved rock model

PL

TBM; maszyna drążąca tunel; symulacja numeryczna; model skały

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2022
• Tom: Vol. 22, no. 3
• Strony: art. no. e147
• Opis fizyczny: Bibliogr. 53 poz., rys., tab., wykr.

Twórcy

autor

Yang Chun

• School of Resources and Safety Engineering, Central South University, Changsha 410083, Hunan, China
• Department of Mining and Materials Engineering, McGill University, Montreal H3A2A7, Canada
• Research Center for Mining Engineering and Technology in Cold Regions, Central South University, Changsha 410083, Hunan, China

autor

Hassani Ferri

• Department of Mining and Materials Engineering, McGill University, Montreal H3A2A7, Canada

autor

Zhou Keping

• School of Resources and Safety Engineering, Central South University, Changsha 410083, Hunan, China
• Research Center for Mining Engineering and Technology in Cold Regions, Central South University, Changsha 410083, Hunan, China

autor

Zhang Quan

• School of Mines, China University of Mining and Technology, Xuzhou 221116, Jiangsu, China

autor

Wang Famin

• State Key Laboratory of Shield Machine and Boring Technology, Zhengzhou 450001, Henan, China

autor

Gao Feng

• School of Resources and Safety Engineering, Central South University, Changsha 410083, Hunan, China
• Research Center for Mining Engineering and Technology in Cold Regions, Central South University, Changsha 410083, Hunan, China

autor

Topa Ameen

• Institute of Transportation Infrastructure, Universiti Teknologi PETRONAS, Seri Iskandar, 32610 Perak, Malaysia
• Department of Maritime Technology, University Malaysia Terengganu, 21300 Kuala Terengganu, Malaysia

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Uwagi

PL

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023)