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Title: Simple methods for fluidic drag estimation during pipe installation via HDD
Authors: Rabiei, Montazar
Yi, Yaolin
Bayat, Alireza
Cheng, Roger
Keywords: Fluidic Drag
Engineering::Civil engineering
Horizontal Directional Drilling
Issue Date: 2018
Source: Rabiei, M., Yi, Y., Bayat, A., & Cheng, R. (2018). Simple methods for fluidic drag estimation during pipe installation via HDD. Tunnelling and Underground Space Technology, 76, 172-176. doi:10.1016/j.tust.2018.03.007
Series/Report no.: Tunnelling and Underground Space Technology
Abstract: This paper proposes a series of simple methods for fluidic drag evaluation of non-Newtonian slurries flowing within a bore during Horizontal Directional Drilling (HDD) pipe installation operations. The methods are based on adapting the solutions of annular and planar Couette flow problems to the HDD pullback problem and are favorable for practical uses by the HDD industry. In comparison to the existing methods, the proposed method accounts for a wide range of parameters, including slurry rheology, bore geometry, and pullback rate. For verification purposes, verified fluidic drag forces for two actual HDD crossings have been used. Comparison of the forces obtained via different methods confirms the ability of the new simple methods to capture the fluidic drag changes accurately.
ISSN: 0886-7798
DOI: 10.1016/j.tust.2018.03.007
Rights: © 2018 Elsevier Ltd. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:CEE Journal Articles

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