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SOIL REINFORCEMENT BY ROOTS: CALCULATION OF INCREASED SOIL SHEAR RESISTANCE FROM ROOT PROPERTIES
Abstract
A root-soil model developed previously has been extended to predict the amount of increase in soil shear resistance (root reinforcement) produced by stretching, slipping, and breaking roots of various sizes. We measured Young's moduli, tensile strengths, and diameters of pine and barley roots, finding that both moduli and strengths decreased with increasing root diameter. These data and root diameter distributions in the shear zone of 0.25-meter diameter (pine) and 0.1-meter diameter (barley) soil columns were applied to the model. Comparison of model simulations with experiments showed that ø', the strength of the soil-root bond, is the most important unmeasured model parameter. Its value, rather than root strength, limited root reinforcement in saturated clay loam with both plant species and was of the order of 25 grams per square centimeter.
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Citations
Cited by
Pollen, N., & Simon, A. (2005) · Water Resources Research · doi:10.1029/2004wr003801 · Cited by 703
Eviner, V. T., & Chapin III, F. S. (2003) · Annual Review of Ecology, Evolution, and Systematics · doi:10.1146/annurev.ecolsys.34.011802.132342 · Cited by 473
Hillslope Stability and Land Use
Sidle, R. C., Pearce, A. J., & O'Loughlin, C. L. (1985) · Water Resources Monograph · doi:10.1029/wm011 · Cited by 461
Hillslope Hydrology and Stability
Lu, N., & Godt, J. W. (2013) · Cambridge University Press eBooks · doi:10.1017/cbo9781139108164 · Cited by 352
The importance of plant root characteristics in controlling concentrated flow erosion rates
Gyssels, G., & Poesen, J. (2003) · Earth Surface Processes and Landforms · doi:10.1002/esp.447 · Cited by 310
Metadata
- Authors
- WALDRON, L. J., & DAKESSIAN, S.
- Venue
- Soil Science
- Published
- 1981-12
- Volume
- 132
- Issue
- 6
- Pages
- 427-435
- ISSN
- 0038-075X (ISSN-L)
- OpenAlex
- W1997723727
- Cited by
- 388
- References
- 0
- FWCI
- 3.93
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: SOIL REINFORCEMENT BY ROOTS: CALCULATION OF INCREASED SOIL SHEAR RESISTANCE FROM ROOT PROPERTIES. https://app.cochat.ai/papers/10.1097/00010694-198112000-00007
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- WALDRON, L. J., & DAKESSIAN, S. (1981). SOIL REINFORCEMENT BY ROOTS: CALCULATION OF INCREASED SOIL SHEAR RESISTANCE FROM ROOT PROPERTIES. Soil Science. https://doi.org/10.1097/00010694-198112000-00007
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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
