Parametric study on suction effects induced by tree roots on ground conditions
- Publication Type:
- Conference Proceeding
- GeoCongress 2006: Geotechnical Engineering in the Information Technology Age, 2006, 2006 pp. 158 - ?
- Issue Date:
A model developed for the rate of tree root water uptake is applied numerically based on finite element analysis, to investigate the effects of the soil, tree and atmospheric parameters on the ground behaviour. The influences of potential transpiration rate, permeability coefficient, and the maximum root length density are studied and quantified. Although the rate of transpiration increases the soil matric suction and the ground settlement, permeability (saturated) decreases the matric suction generated and the corresponding settlement. The maximum root density also affects the change in peak matric suction as demonstrated in the paper. Copyright ASCE 2006.
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