Moisture Ingress of Cemented Basecourse

Moisture ingress is a primary catalyst for pavement damage and plays a key role in the performance of pavement materials in service. This is evident from the issues faced as a result of high moisture sensitivity of crushed rocks used in the construction of Kwinana Freeway in Western Australia. Cemen...

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Main Authors: Yeo, Yang sheng, Jitsangiam, Peerapong, Nikraz, Hamid
Other Authors: Mohamed A Shahin
Format: Conference Paper
Published: Australian Geomechanics Society 2011
Subjects:
Online Access:http://hdl.handle.net/20.500.11937/37790
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author Yeo, Yang sheng
Jitsangiam, Peerapong
Nikraz, Hamid
author2 Mohamed A Shahin
author_facet Mohamed A Shahin
Yeo, Yang sheng
Jitsangiam, Peerapong
Nikraz, Hamid
author_sort Yeo, Yang sheng
building Curtin Institutional Repository
collection Online Access
description Moisture ingress is a primary catalyst for pavement damage and plays a key role in the performance of pavement materials in service. This is evident from the issues faced as a result of high moisture sensitivity of crushed rocks used in the construction of Kwinana Freeway in Western Australia. Cement treatment is deemed a potential solution to reduce moisture sensitivity. The moisture ingress into cement treated crushed rocks can be based on the unsaturated flow theory and quantified with the term Sorpitivity, S, i.e. the square root rate of inflow volume. The linearity of the Sorptivity when plotting inflow volume against the square root of time, t0.5 also provides an indication of the homogeneity of the material. This paper assessed the Sorptivity of cement treated crushed rocks based on results from the Tube Suction Test procedures developed by Texas Department of Transportation (TxDOT). The tests shows that Sorpitivity decreases with the increase in cement content which means that higher cement content reduces the moisture sensitivity of pavements. The Sorpitivity also showed a high least-square regression of R2 > 0.9, which indicates that the materials are homogeneous.
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spelling curtin-20.500.11937-377902023-01-27T05:52:11Z Moisture Ingress of Cemented Basecourse Yeo, Yang sheng Jitsangiam, Peerapong Nikraz, Hamid Mohamed A Shahin Hamid R Nikraz moisture ingress cemented basecourse Sorptivity unsaturated flow pavement Moisture ingress is a primary catalyst for pavement damage and plays a key role in the performance of pavement materials in service. This is evident from the issues faced as a result of high moisture sensitivity of crushed rocks used in the construction of Kwinana Freeway in Western Australia. Cement treatment is deemed a potential solution to reduce moisture sensitivity. The moisture ingress into cement treated crushed rocks can be based on the unsaturated flow theory and quantified with the term Sorpitivity, S, i.e. the square root rate of inflow volume. The linearity of the Sorptivity when plotting inflow volume against the square root of time, t0.5 also provides an indication of the homogeneity of the material. This paper assessed the Sorptivity of cement treated crushed rocks based on results from the Tube Suction Test procedures developed by Texas Department of Transportation (TxDOT). The tests shows that Sorpitivity decreases with the increase in cement content which means that higher cement content reduces the moisture sensitivity of pavements. The Sorpitivity also showed a high least-square regression of R2 > 0.9, which indicates that the materials are homogeneous. 2011 Conference Paper http://hdl.handle.net/20.500.11937/37790 Australian Geomechanics Society fulltext
spellingShingle moisture ingress
cemented basecourse
Sorptivity
unsaturated flow
pavement
Yeo, Yang sheng
Jitsangiam, Peerapong
Nikraz, Hamid
Moisture Ingress of Cemented Basecourse
title Moisture Ingress of Cemented Basecourse
title_full Moisture Ingress of Cemented Basecourse
title_fullStr Moisture Ingress of Cemented Basecourse
title_full_unstemmed Moisture Ingress of Cemented Basecourse
title_short Moisture Ingress of Cemented Basecourse
title_sort moisture ingress of cemented basecourse
topic moisture ingress
cemented basecourse
Sorptivity
unsaturated flow
pavement
url http://hdl.handle.net/20.500.11937/37790