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大气作用下非饱和土湿热性状的计算模型与分析 被引量:1

Calculation Model and Analysis of Unsaturated Soil Moisture-heat Coupling Behavior under the Effect of Atmosphere
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摘要 采用湿热耦合非等温流方程,结合实际蒸发和植物蒸腾的边界条件,考虑了水分迁移所引发的非饱和土应力变形行为,建立了大气-非饱和土相互作用的模型。采用该模型,可分析土体的湿热性状,计算由于水分变化所引起的土体变形,工程适用性较强。 Based on the equations of coupled moisture -heat anisothermal flow and the stress -strain relationship of unsaturated soil, the interaction model of atmosphere - unsaturated soil is established considering the boundary models of actual evaporation and vegetation transpiration. In this way, moisture - heat coupling behavior of unsaturated soil can be analyzed, and stress - strain characteristic, which is induced by the water transportation, may also be obtained. The compute model is suitable in engineering work.
出处 《常州工学院学报》 2008年第5期6-9,共4页 Journal of Changzhou Institute of Technology
关键词 大气作用 非饱和土 降雨 蒸发 植被蒸腾 effect of atmosphere unsaturated soil rainfall evaporation vegetation transpiration
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参考文献7

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