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Tytuł artykułu

A new and simple model for predicting soil erosion based on hole erosion tests

Wybrane pełne teksty z tego czasopisma
Identyfikatory
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Determination of erosion characteristics is of great significance to assess the erodibility of geomaterials that are subjected to seepage force. The erosion characteristics indicate soil particle removal in term of internal erosion that might occur in earthen structures. Hole erosion test (HET) is a simple and effective approach to determine erosion characteristics. It is noted that there are not many studies that focus on the development of a theoretical model describing the erosion characteristics and the associated process of soil particle detachment in HETs. The aim of this study is to propose a simple model based on Bernoulli’s principle to interpret erosion characteristics of geomaterials in HETs. An analytical equation was deduced from a physically based model incorporating Bernoulli’s principle and erosion constitutive law for internal erosion within a soil pipe driven by pressure gradient. The analytical equation could be applied to determine soil particle removal, radial erosion propagation, erosion coefficient, and critical shear stress. A series of HETs were performed under different flow rate to verify the proposed model. The obtained results demonstrated that the proposed model allowed for reasonably predicting the amount of soil particle removal and understanding erosion characteristics of soils through the HET.
Czasopismo
Rocznik
Strony
823--836
Opis fizyczny
Bibliogr. 42 poz.
Twórcy
autor
  • Department of Civil and Environmental Engineering, Shantou University, Shantou, China
  • Department of Civil Engineering, Indian Institute of Technology Guwahati, Guwahati, India
  • Department of Civil Engineering, Indian Institute of Technology Guwahati, Guwahati, India
  • Sustainable Technology Center, University of Illinois Urbana-Champaign Illinois, Champaign, IL, USA
autor
  • Guangdong Engineering Center of Structural Safety and Health Monitoring, Shantou University, Shantou, China
  • School of Civil Engineering and Architecture, Southwest University of Science and Technology, Mianyang, China
  • Department of Civil Engineering, Indian Institute of Technology Guwahati, Guwahati, India
Bibliografia
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  • 17. Haghighi I, Chevalier C, Duc M, Guédon S, Reiffsteck P (2013) Improvement of hole erosion test and results on reference soils. J Geotech Geoenviron Eng 139(2):330–339
  • 18. Hicher PY (2013) Modelling the impact of particle removal on granular material behaviour. Géotechnique 63(2):118–128
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  • 21. Khanal A, Klavon KR, Fox GA, Daly ER (2016) Comparison of linear and nonlinear models for cohesive sediment detachment: rill erosion, hole erosion test, and streambank erosion studies. J Hydraul Eng 142(9):04016026
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  • 32. Soroush A, Shourijeh PT, Fouladi SR (2018) The effects of soil erosion characteristics on critical filter design in embankment dams. Geotech Test J 42(3):789–816
  • 33. Sterpi D (2003) Effects of the erosion and transport of fine particles due to seepage flow. Int J Geomech 3(1):111–122
  • 34. Wan CF, Fell R (2004a) Investigation of rate of erosion of soils in embankment dams. J Geotech Geoenviron Eng 130(4):373–380
  • 35. Wan CF, Fell R (2004b) Laboratory tests on the rate of piping erosion of soils in embankment dams. Geotech Test J 27(3):295–303
  • 36. Wani I, Narde SR, Huang X, Remya N, Kushvaha V, Garg A (2021a) Reviewing role of biochar in controlling soil erosion and considering future aspect of production using microwave pyrolysis process for the same. Biomass Convers Biorefin, pp 1–27.
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  • 38. Wilson GV (2009) Mechanisms of ephemeral gully erosion caused by constant flow through a continuous soil-pipe. Earth Surf Process Landf 34(14):1858–1866
  • 39. Wilson GV, Wells R, Kuhnle R, Fox G, Nieber J (2018) Sediment detachment and transport processes associated with internal erosion of soil pipes. Earth Surf Process Landf 43(1):45–63
  • 40. Xie L, Liang X, Su TC (2018) Measurement of pressure in viewable hole erosion test. Can Geotech J 55(10):1502–1509
  • 41. Yang J, Yin ZY, Laouafa F, Hicher PY (2020) Hydromechanical modeling of granular soils considering internal erosion. Can Geotech J 57(2):157–172
  • 42. Zhang DM, Du WW, Peng MZ, Feng SJ, Li ZL (2020) Experimental and numerical study of internal erosion around submerged defective pipe. Tunn Undergr Space Technol 97:103256
Uwagi
Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-2dd506ff-8676-4569-9491-eb051936e295
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