Theoretical prediction of wear of disc cutters in tunnel boring machine and its application
Journal of Rock Mechanics and Geotechnical Engineering, 2019 Predicting the cutter consumption and the exact time to replace the worn-out cutters in tunneling projects constructed with tunnel boring machine (TBM) is always a challenging issue.
Zhaohuang Zhang +3 more
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Design optimization of TBM disc cutters for different geological conditions [PDF]
, 2015 A novel optimization methodology for the disc cutter designs of tunnel boring machines (TBM) was presented. To fully understand the characteristics and performance of TBM cutters, a comprehensive list of performance parameters were investigated ...
Liu, Jingsheng, Xia, Yimin, Zhang, Kui
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Full-Scale Laboratory Test of Cutting Large-Diameter Piles Directly by Shield Cutterhead
Advances in Civil Engineering, 2022 Based on the TBM tunnel of Red Line of Tel Aviv in Israel, this paper carried out laboratory tests of shield cutting concrete and reinforced concrete piles and investigated cutting performance of cutter, failure model of rebars, length of damaged rebars,
Yuqing Wang +4 more
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Determination of contact temperature on cutting disc during rock destruction [PDF]
E3S Web of Conferences, 2020 During the destruction of rocks by disc cutters the question of their operation without water cooling is arising. To implement this an approach to determining the temperature of the disk cutter is considered in the article. The calculations of heating of
Kuznetsov Vladimir +3 more
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The Preparation of H13 Steel for TBM Cutter and the Performance Test Close to Working Condition
Applied Sciences, 2018 The material of disc cutters is important to full-face tunnel boring machines (TBM). In recent years, disc cutters were optimized and tested by many scholars all around the world.
Yong Hu +6 more
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Estimation of the normal contact stiffness for frictional interface in sticking and sliding conditions [PDF]
, 2019 Modeling of frictional contact systems with high accuracy needs the knowledge of several contact parameters, which are mainly related to the local phenomena at the contact interfaces and affect the complex dynamics of mechanical systems in a prominent ...
Baillet, L. +4 more
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Chinese Journal of Mechanical Engineering, 2023 The operation of a shield tunnel boring machine (TBM) in a high-strength hard rock stratum results in significant cutter damage, adversely affecting the thrust and torque of the cutter head.
Hua Jiang +4 more
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Performance of nano-structured multilayer PVD coating TiAlN/VN in dry high speed milling of aerospace aluminium 7010-T7651 [PDF]
, 2005 A low-friction and wear resistant TiAlN/VN multilayer coating with TiAlN/VN bilayer thickness 3 nm has been grown by using the combined cathodic arc etching and unbalanced magnetron sputtering deposition on high speed steel tools for dry cutting of ...
Coldwell +23 more
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Coal Mining Machinery Development As An Ecological Factor Of Progressive Technologies Implementation [PDF]
, 2017 At present, a significant amount of energy spent for the work of mining machines and coal mining equipment on coal mines and open pits goes to the coal grinding in the process of its extraction in mining faces.
Efremenkov, Andrey Borisovich +3 more
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Theoretical and numerical studies of rock breaking mechanism by double disc cutters
International Journal of Mining Science and Technology, 2023 A plane mechanical model of rock breaking process by double disc cutter at the center of the cutterhead is established based on contact mechanics to analyze the stress evolution in the rock broken by cutters with different spacings.
Yiqiang Kang +6 more
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