Abstract
Jacking forces which exceed expectations constitute a risk for tunnelling contractors. One scenario in which high forces may arise is when jacking of lubricated pipes is temporarily halted, which was considered by Li et al. using a programme of direct shear testing. While recognising the importance of the topic to the profession, the purpose of this Discussion piece is to highlight some of the limitations of the study.
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Praetorius S, Schoesser B (2017) Bentonite handbook: Lubrication for pipe jacking. John Wiley and Sons, Hoboken, NJ, USA
Sheil BB, Suryasentana SK, Mooney MA, Zhu H, McCabe BA, O’Dwyer KG (2020) Discussion: Machine learning to inform tunnelling operations: Recent advances and future trends. Proceedings of the Institution of Civil Engineers — Smart Infrastructure and Construction 173(1):180–181, DOI: https://doi.org/10.1680/jsmic.2020.173.1.180
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Author: Li T, Zhao W, Liu R, Han J, Cheng C (2021) KSCE Journal of Civil Engineering 26(3):1428–1438, DOI: https://doi.org/10.1007/s12205-021-0642-4
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McCabe, B.A., Sheil, B.B., Phillips, B.M. et al. Discussion of “Experimental Study on the Pipe-Soil Interface under the Influence of Pipe Jacking Stagnation Time” by Tianliang Lia, Wen Zhaoa, Run Liua, Jianyong Hana and Cheng Chenga. KSCE J Civ Eng 26, 3663–3664 (2022). https://doi.org/10.1007/s12205-022-2332-2
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DOI: https://doi.org/10.1007/s12205-022-2332-2