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Research on sand resistance performance of comprehensive protection facilities for desert hinterland highways under strong wind environment

Treść / Zawartość
Identyfikatory
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Based on the test and observation of the desert hinterland wind field, combined with the numerical simulation of Fluent wind-sand two-phase flow, the sand resistance performances of comprehensive protection in the desert hinterland under strong wind environment are researched. The transient wind speed and wind direction around the comprehensive protection facility are measured by two 3D ultrasonic anemometers on the highway in the desert hinterland, and the initial wind speed of the sand flow is provided for the numerical simulation boundary. The sedimentary sand particles around the comprehensive protection facility are collected for particle size analysis, and the particle size distributions of sedimentary sand particles at different locations are obtained. Numerical models of high vertical sand barriers, grass checkered sand barriers and roadbeds are established by Fluent, the wind-sand flow structures around the comprehensive protection facilities and desert hinterland highway under the strong wind environment are obtained, and the influence laws of the comprehensive protection facilities on the movement of wind-sand flow and sand deposition characteristics are obtained. The study found that the comprehensive protection facilities disturbed the wind and sand flow, and there are significant airflow partitions around the comprehensive protection facilities. The wind speed decreases rapidly after the wind-sand flows through the high vertical sand barrier; the wind-sand flow rises at the end of the high vertical sand barrier. When the wind-sand flow moves around the grass checkered sand barrier, the wind speed has dropped to the range of 0-3 m/s, and the wind speed near the ground by the grass checkered sand barrier is further reduced. Due to the existence of the concave surface of the grass grid, there are small vortices inside the grass grid sand barrier. Large sand particles are mainly deposited on the windward side and inside of high vertical sand barriers. The grass checkered sand barrier forms a stable concave surface to generate backflow, which can ensure that the sand surface does not sand itself in a strong wind environment, and can also make a small amount of sand carried in the airflow accumulate around the groove of the grass checkered sand barrier. The numerical simulation results are consistent with the measured results, and the comprehensive protection measures have achieved good sand control effects.
Rocznik
Strony
683--698
Opis fizyczny
Bibliogr. 22 poz., il., tab.
Twórcy
autor
  • Lanzhou Jiaotong University, Civil Engineering College, Nanzhou, China
  • Ningxia Highway Survey and Design Institute Co., Ltd.
autor
  • School of Civil Engineering, Lanzhou Jiaotong University, Lanzhou, China
autor
  • Ningxia Highway Survey and Design Insitute Co., Ltd, Yinchuan, China
autor
  • Ningxia Highway Survey and Design Insitute Co., Ltd, Yinchuan, China
Bibliografia
  • [1] Z.S. An, K.C. Zhang, L.H. Tan, et al., “Dune dynamics in the southern edge of Dunhuang Oasis and implications for the oasis protection”, Journal of Mountain Science, 2018, vol. 15, no. 10, pp. 2172-2181; DOI: 10.1007/s11629-017-4723-2.
  • [2] Z.T. Wang, Z.S. An, “A simple theoretical approach to the thermal expansion mechanism of salt weathering”, Catena, 2016, vol. 147, pp. 695-698; DOI: 10.1016/j.catena.2016.08.033.
  • [3] K.C. Zhang, Z.S. An, D.W. Cai, et al., “Key Role of Desert-Oasis Transitional Area in Avoiding Oasis Land Degradation from Aeolian Desertification in Dunhuang, Northwest China”, Land Degrandation Development, 2017, vol. 28, no. 1, pp. 142-150; DOI: 10.1002/ldr.2584.
  • [4] W.C. Yang, H. Yue, E. Deng, “Research on wind and sand resistance performance of high vertical sand barriers in desert hinterland highways”, Journal of Railway Science and Engineering, 2022, pp. 1-11; DOI: 10.19713/j.cnki.43-1423/u.T20220250.
  • [5] L. Shi, D.Y. Wang, K.C. Li, “Windblown sand characteristics and hazard control measures for the Lanzhou-Wulumuqi high-speed railway”, Natural Hazards, 2020, vol. 104, pp. 353-374; DOI: 10.1007/s11069-020-04172-9.
  • [6] T.L. Bo, X.J. Zheng, S.Z. Duan, et al., “The influence of wind velocity and sand grain diameter on the falling velocities of sand particles”, Powder Technology, 2013, vol. 241, pp. 158-165; DOI: 10.1016/j.powtec.2013.02.043.
  • [7] S.B. Xie, J.J. Qu, Y.J. Pang, “Dynamic wind differences in the formation of sand hazards at highand low-altitude railway sections”, Journal of Wind Engineering & Industrial Aerodynamics, 2017, vol. 169, pp. 39-46; DOI: 10.1016/j.jweia.2017.07.003.
  • [8] Y. Tominaga, T. Okaze, A. Mochida, “Wind tunnel experiment and CFD analysis of sand erosion/deposition due to wind around an obstacle”, Journal of Wind Engineering & Industrial Aerodynamics, 2018, vol. 182, pp. 262-271; DOI: 10.1016/j.jweia.2018.09.008.
  • [9] W.H. Sun, N. Huang, “Influence of slope gradient on the behavior of saltating sand particles in a wind tunnel”, Catena, 2017, vol. 148, pp. 145-152; DOI: 10.1016/j.catena.2016.07.013.
  • [10] Y.H. Hao, Y.J. Feng, J.C. Fan, “Experimental study into erosion damage mechanism of concrete materials in a wind-blown sand environment”, Construction and Building Materials, 2016, vol. 111, pp. 662-670; DOI: 10.1016/j.conbuildmat.2016.02.137.
  • [11] K.C. Zhang, J.J. Qu, K.T. Liao, et al., “Damage by wind-blown sand and its control along Qinghai-Tibet Railway in China”, Aeolian Research, 2010, vol. 1, no. 3-4, pp. 143-146; DOI: 10.1016/j.aeolia.2009.10.001.
  • [12] Y. Zhang, Y. Wang, P. Jia, “Investigation of the statistical features of sand creep motion with wind tunnel experiment”, Aeolian Research, 2014, vol. 12, pp. 1-7; DOI: 10.1016/j.aeolia.2013.10.007.
  • [13] N. Bar, T. Elperin, I. Katra, et al., “Numerical study of shear stress distribution at sand ripple surface in wind tunnel flow”, Aeolian Research, 2016, vol. 21, pp. 125-130; DOI: 10.1016/j.aeolia.2016.04.007.
  • [14] N. Xiao, Z.B. Dong, S. Xiao, et al., “An improved approach to estimate sand-driving winds”, Journal of Cleaner Production, 2021, vol. 285, art. ID 124820; DOI: 10.1016/j.jclepro.2020.124820.
  • [15] H.Z. Yizhaq, Z.W. Xu, Y. Ashkenazy, “The effect of wind speed averaging time on the calculation of sand drift potential: New scaling laws”, Earth and Planetary Science Letters, 2020, vol. 544, art. ID 116373; DOI: 10.1016/j.epsl.2020.116373.
  • [16] I.A. Lima, E.J.R. Parteli, Y.P. Shao, et al., “CFD simulation of the wind field over a terrain with sand fences: Critical spacing for the wind shear velocity”, Aeolian Research, 2020, vol. 43, art. ID 100574; DOI: 10.1016/j.aeolia.2020.100574.
  • [17] M. Horvat, L. Bruno, S. Khris, “CWE study of wind ?ow around railways: Effects of embankment and track system on sand sedimentation”, Journal of Wind Engineering & Industrial Aerodynamics, 2021, vol. 208, art. ID 104476; DOI: 10.1016/j.jweia.2020.104476.
  • [18] K. Zhang, P.W. Zhao, J.C. Zhao, et al., “Protective effect of multi-row HDPE board sand fences: A wind tunnel study”, International Soil and Water Conservation Research, 2021, vol. 9, no. 1, pp. 103-115; DOI: 10.1016/j.iswcr.2020.08.006.
  • [19] T. Wang, J.J. Qu, Y.Q. Ling, et al., “Shelter effect efficacy of sand fences: A comparison of systems in a wind tunnel”, Aeolian Research, 2018, vol. 30, pp. 32-40; DOI: 10.1016/j.aeolia.2017.11.004.
  • [20] T.L. Bo, P. Ma, X.J. Zheng, “Numerical study on the effect of semi-buried straw checkerboard sand barriers belt on the wind speed”, Aeolian Research, 2015, vol. 16, pp. 101-107; DOI: 10.1016/j.aeolia.2014.10.002.
  • [21] L. Opyrchał, R. Chmielewski, A. Bąk, “New method for comparing of particle-size distribution curve”, Archives of Civil Engineering, 2022, vol. 68, no. 1, pp. 63-72; DOI: 10.24425/ace.2022.140156.
  • [22] X.X. Wu, Z.Y. Guo, R.D. Wang, et al., “Optimal design for wind fence based on 3D numerical simulation”, Agricultural and Forest Meteorology, 2022, vol. 323, art. ID 109072; DOI: 10.1016/j.agrformet.2022.109072.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-0c501a86-100d-4790-a5b0-77ddede61cd2
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