Metal-soil interface adhesion in clay clogging during shield tunneling: Theoretical model and experimental validation

Barzegari, 2020, Experimental assessment of clayey layers for clogging of TBM in Tabriz subway lines, Iran, Tunnelling and Underground Space Technology, 105, 103560, 10.1016/j.tust.2020.103560 Basmenj, 2016, Adhesion of clay to metal surface; Normal and tangential measurement, Geomechanics and Engineering, 10, 125, 10.12989/gae.2016.10.2.125 Baver, 1956 Bhushan, 2003, Introduction to tribology, Applied Mechanics Reviews, 56, B6, 10.1115/1.1523360 Burbaum, 2017, Physics of adhesion of soils to solid surfaces, Bulletin of Engineering Geology and the Environment, 76, 1097, 10.1007/s10064-016-0875-5 Cai, 2007, Meniscus and viscous forces during normal separation of liquid-mediated contacts, Nanotechnology, 18, 465704, 10.1088/0957-4484/18/46/465704 de Oliveira, 2019, Clogging and flow assessment of cohesive soils for EPB tunnelling: Proposed laboratory tests for soil characterisation, Tunnelling and Underground Space Technology, 94, 103110, 10.1016/j.tust.2019.103110 Feinendegen, 2010, A new laboratory test to evaluate the problem of clogging in mechanical tunnel driving with EPB-shields Feinendegen, 2011, Clogging during EPB-tunnelling: Occurrence, classification and new manipulation methods Fortes, 1982, Axisymmetric liquid bridges between parallel plates, Journal of Colloid and Interface Science, 88, 338, 10.1016/0021-9797(82)90263-6 Fountaine, 1954, Investigations into the mechanism of soil adhesion, European Journal of Soil Science, 5, 251, 10.1111/j.1365-2389.1954.tb02191.x Grim, 1962 Hollmann, 2013, Assessment method for clay clogging and disintegration of fines in mechanised tunnelling, Tunnelling and Underground Space Technology, 37, 96, 10.1016/j.tust.2013.03.010 Jia, 2004, Theoretical analysis of the adhesion force of soil to solid materials, Biosystems Engineering, 87, 489, 10.1016/j.biosystemseng.2003.12.010 Kang, 2019, Assessment of the clogging potential of two clays, Applied Clay Science, 178, 105134, 10.1016/j.clay.2019.105134 Khabbazi, 2019, Experimental and laboratory assessment of clogging potential based on adhesion, Bulletin of Engineering Geology and the Environment, 78, 605, 10.1007/s10064-017-1044-1 Khabbazi Basmenj, 2017, Assessment of the adhesion potential of kaolinite and montmorillonite using a pull-out test device, Bulletin of Engineering Geology and the Environment, 76, 1507, 10.1007/s10064-016-0921-3 Langmaack, L. (2000). Advanced technology of soil conditioning in EPB shield tunnelling. In Proceedings of North American tunneling 2000 (pp. 52–542). Boston, Massachusetts. Lu, 2007, Tensile strength characteristics of unsaturated sands, Journal of Geotechnical and Geoenvironmental Engineering, 133, 144, 10.1061/(ASCE)1090-0241(2007)133:2(144) Mitarai, 2006, Wet granular materials, Advances in Physics, 55, 1, 10.1080/00018730600626065 Peila, 2016, Laboratory tests on soil conditioning of clayey soil, Acta Geotechnica, 11, 1061, 10.1007/s11440-015-0406-8 Reynolds, 1886, IV. On the theory of lubrication and its application to Mr. Beauchamp tower’s experiments, including an experimental determination of the viscosity of olive oil, Philosophical Transactions of the Royal Society of London, 177, 157, 10.1098/rstl.1886.0005 Sass, 2009, A method for assessing adhesion of clays to tunneling machines, Bulletin of Engineering Geology and the Environment, 68, 27, 10.1007/s10064-008-0178-6 Tang, 2015, Tensile strength of compacted clayey soil, Journal of Geotechnical and Geoenvironmental Engineering, 141, 04014122, 10.1061/(ASCE)GT.1943-5606.0001267 Thewes, 2004, Clogging risks for TBM drives in clay, Tunnels and Tunnelling International, 36, 28 Thewes, M., & Burger, W. (2005). Clogging of TBM drives in clay–identification and mitigation of risks. In Proceedings ITA-AITES World Tunnel Congress (pp. 737–742). Istanbul. Thewes, 2016, Assessment of clay soils and clay-rich rock for clogging of TBMs, Tunnelling and Underground Space Technology, 57, 122, 10.1016/j.tust.2016.01.010 Wang, 2020, Effect of dispersant on the tangential adhesion strength between clay and metal for EPB shield tunnelling, Tunnelling and Underground Space Technology, 95, 103144, 10.1016/j.tust.2019.103144 Zhang, 2018, Effects of heating on compositional, structural, and physicochemical properties of loess under laboratory conditions, Applied Clay Science, 152, 259, 10.1016/j.clay.2017.11.022 Zimnik, 2000, The adherence of clay to steel surfaces Zumsteg, 2013, Reduction of the clogging potential of clays: New chemical applications and novel quantification approaches, Géotechnique, 63, 276, 10.1680/geot.SIP13.P.005 Zumsteg, 2016, Effects of slurry on stickiness of excavated clays and clogging of equipment in fluid supported excavations, Tunnelling and Underground Space Technology, 58, 197, 10.1016/j.tust.2016.05.006