Monitoring of a suburban environment: soil-plant-atmosphere and clay movements
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(Published version)
Date
2015
Authors
Cameron, D.A.
Vorwerk, S.J.
Keppel, G.
Editors
Chen, Z.
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Conference paper
Citation
Unsaturated Soil Mechanics - from Theory to Practice : Proceedings of the 6th Asia Pacific Conference on Unsaturated Soils, 2015 / Chen, Z. (ed./s), pp.673-684
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Conference Name
AP-UNSAT 2015: 6th Asia-Pacific Conference on Unsaturated Soils (23 Oct 2015 - 26 Oct 2015 : Guilin, China)
Abstract
Tree roots remove and re-distribute soil moisture. If the soil suffers seasonal unsaturation and is essentially clay, the ground will experience greater settlement than normal during the drying months. Of great concern to building authorities, engineers and the community is the potential damage to buildings and infra-structure that may ensue. The Australian Standard for construction of residential footings has, since 2011, in-corporated some broad guidelines for estimating the additional drying settlement due to trees. These rules re-quire extensive validation. This paper describes the establishment of a field site to study the interactions between the weather, the foundation soil and four species of trees (about 12 years old), planted in streets in a suburb of Adelaide, Australia. Selected initial monitoring data are presented, which concern initial potential reference evapotranspiration, soil suction profiles, soil moisture changes and soil movement near two Austral-ian tree species; paperback and Queensland box. The ultimate aim of the research is to develop better numeri-cal modelling of the impacts of trees on clay soils.
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Copyright 2016 Taylor and Francis
Access Condition Notes: postprint available after 1 December 2016