Wind Dynamic Environment and Wind Tunnel Simulation Experiment of Bridge Sand Damage in Xierong Section of Lhasa–Linzhi Railway
Abstract
:1. Introduction
2. Methods
2.1. Field Observation
2.2. Wind Tunnel Simulation Experiment
3. Results and Analysis
3.1. Blown Sand Dynamic Environment
3.2. Influence of Railway Bridge on Wind Speed and Flow Field
4. Discussion
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Xierong Grand Bridge | Length (m) | Width (m) | Average Height (m) | Number of Piers |
1192 | 3.9 | 8 | 36 |
Month (Year/Month) | RDD (°) | Direction | RA (°) | Direction |
---|---|---|---|---|
2017/09 | 318.85 | NW | 312.79 | NW |
2017/10 | 321.34 | NW | 320.20 | NW |
2017/11 | 266.64 | W | 243.04 | WSW |
2017/12 | 204.63 | SSW | 203.19 | SSW |
2018/01 | 304.84 | NW | 303.22 | WNW |
2018/02 | 10.89 | N | 3.87 | N |
2018/03 | 210.57 | SSW | 208.91 | SSW |
2018/04 | 206.24 | SSW | 203.80 | SSW |
2018/05 | 226.30 | SW | 221.33 | SW |
2018/06 | 318.72 | NW | 312.99 | NW |
2018/07 | 291.90 | WNW | 278.85 | W |
2018/08 | 330.61 | NNW | 332.11 | NNW |
Wind Speed Range (m·s−1) | 5–6 | 6–7 | 7–8 | 8–9 | 9–10 | 10–11 | 11–12 | 12–13 | 13–14 |
---|---|---|---|---|---|---|---|---|---|
Sept 2017 to Aug 2018 Q (kg·m−1·a−1) | 3.45 | 11.92 | 15.37 | 10.14 | 7.26 | 5.25 | 2.36 | 1.38 | 0.75 |
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Xie, S.; Qu, J.; Han, Q.; Pang, Y. Wind Dynamic Environment and Wind Tunnel Simulation Experiment of Bridge Sand Damage in Xierong Section of Lhasa–Linzhi Railway. Sustainability 2020, 12, 5689. https://doi.org/10.3390/su12145689
Xie S, Qu J, Han Q, Pang Y. Wind Dynamic Environment and Wind Tunnel Simulation Experiment of Bridge Sand Damage in Xierong Section of Lhasa–Linzhi Railway. Sustainability. 2020; 12(14):5689. https://doi.org/10.3390/su12145689
Chicago/Turabian StyleXie, Shengbo, Jianjun Qu, Qingjie Han, and Yingjun Pang. 2020. "Wind Dynamic Environment and Wind Tunnel Simulation Experiment of Bridge Sand Damage in Xierong Section of Lhasa–Linzhi Railway" Sustainability 12, no. 14: 5689. https://doi.org/10.3390/su12145689