| 黄土路基内部水热传输规律分析 |
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| 引用本文： | 要海亮.黄土路基内部水热传输规律分析[J].山西交通科技,2014(6):29-32. |
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| 作者姓名： | 要海亮 |
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| 作者单位： | 山西省交通科学研究院,山西太原030006 |
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| 摘 要： | 分析了路基内部水分存在形式和影响因素,通过建立数学模型对黄土路基内部水热传输规律进行分析。结果表明:路基中的水分从水势高处向水势低处迁移,从湿度高处向湿度低处流动;土体密度越大,水分迁移越困难,初始含水率越大,土体内部的水分容易迁移;路基冬季放热夏季吸热,内部温度保持10℃左右;在温度场影响下,距离路基表层和边坡表面越近,温度梯度越明显。
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| 关 键 词： | 黄土 路基 水热传输 水分场 温度场 |
The Analysis of Loess Subgrade Internal Water and Heat Transfer Laws |
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| YAO Hai-liang.The Analysis of Loess Subgrade Internal Water and Heat Transfer Laws[J].Shanxi Science & Technology of Communications,2014(6):29-32. |
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| Authors: | YAO Hai-liang |
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| Institution: | YAO Hai-liang (Shanxi Transportation Research Institute, Taiyuan, Shanxi 030006, China) |
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| Abstract: | This paper analyzed the existing forms and influencing factors of subgrade internal moisture. By establishing mathematical model, it also analyzed water and heat transfer laws inside loess subgrade. |
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| Keywords: | loess subgrade water and heat transfer moisture field temperature field |
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