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Sensitivity Analysis of Influencing Factors of Flow Characteristics on Asphalt Slope
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Xiao WANG1, Zi-ping QIU2, Qi-rong LI3, Kai-cheng HUA3, Hui CHEN4
Water Resources and Power | 2023, 41(3) : 19 - 22
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Water Resources and Power | 2023, 41(3): 19-22
• HYDROLOGY，WATER RESOURCES AND ENVIRONMENT •
Sensitivity Analysis of Influencing Factors of Flow Characteristics on Asphalt Slope
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Xiao WANG1, Zi-ping QIU2, Qi-rong LI3, Kai-cheng HUA3, Hui CHEN4
Affiliations
  • 1.Research Institute of Highway Ministry of Transport, Beijing 100088, China
  • 2.College of Civil Engineering, Guangdong Communication Polytechnic, Guangzhou 510800, China
  • 3.Guangdong Huiqing Expressway Co., Ltd., Guangzhou 510900, China
  • 4.State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
Published: 2023-03-25 doi: 10.20040/j.cnki.1000-7709.2023.20220983
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In order to illustrate the influence mechanism of flow distribution on slope of urban asphalt road, two-dimensional shallow water equations were applied to simulate runoff characteristics on asphalt slope. Comprehensive sensitivity analysis was performed on multiple factors (cross slope, longitudinal slope, slope width, slope length, rainfall intensity and roughness coefficient) which caused different degrees of ponding on asphalt slope. The maximum flow depth was taken as the sensitivity analysis index. Both range and variance analysis were performed, through which the sensitivity ranking of the influencing factors were obtained and the significance level can be clarified as well. The results show that under overflow drainage condition, cross slope, pavement width and rainfall intensity have significant effects on flow depth; Slope length has no significant effect on flow depth. Flow depth is negatively correlated with cross slope, and positively correlated with rainfall intensity, pavement width and slope length, and negatively correlated first and then positively correlated with the roughness coefficient. The research results can provide reference for engineering practice.

asphalt slope  /  hydrodynamics  /  sensitivity analysis  /  slope width  /  cross slope  /  rainfall intensity
Xiao WANG, Zi-ping QIU, Qi-rong LI, Kai-cheng HUA, Hui CHEN. Sensitivity Analysis of Influencing Factors of Flow Characteristics on Asphalt Slope[J]. Water Resources and Power, 2023 , 41 (3) : 19 -22 . DOI: 10.20040/j.cnki.1000-7709.2023.20220983
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doi: 10.20040/j.cnki.1000-7709.2023.20220983
  • Receive Date：2022-05-11
  • Online Date：2026-01-28
  • Published：2023-03-25
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  • Received：2022-05-11
  • Revised：2022-06-17
Affiliations
    1.Research Institute of Highway Ministry of Transport, Beijing 100088, China
    2.College of Civil Engineering, Guangdong Communication Polytechnic, Guangzhou 510800, China
    3.Guangdong Huiqing Expressway Co., Ltd., Guangzhou 510900, China
    4.State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
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https://castjournals.cast.org.cn/joweb/sdnykx/EN/10.20040/j.cnki.1000-7709.2023.20220983
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表12种不同金属材料的力学参数
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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