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Water retention curve of soil-cement composite material

Jose Norambuena-Contreras Orcid Logo

Ingeniare. Revista chilena de ingeniería, Volume: 23, Issue: 4, Pages: 647 - 654

Swansea University Author: Jose Norambuena-Contreras Orcid Logo

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DOI (Published version): 10.4067/s0718-33052015000400015

Abstract

Water retention curve (WRC) is a nonlinear function that describes the relationship between the matric suction (ψ) and water content (θ) of a porous material evaluated under unsaturated conditions. WRC contains fundamental information about hydro-mechanical behavior of unsaturated porous materials o...

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Published in: Ingeniare. Revista chilena de ingeniería
ISSN: 0718-3305
Published: SciELO Agencia Nacional de Investigacion y Desarrollo (ANID) 2015
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URI: https://cronfa.swan.ac.uk/Record/cronfa66822
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spelling v2 66822 2024-06-20 Water retention curve of soil-cement composite material 73c6854ebb10465fbf7faab297135641 0000-0001-8327-2236 Jose Norambuena-Contreras Jose Norambuena-Contreras true false 2024-06-20 ACEM Water retention curve (WRC) is a nonlinear function that describes the relationship between the matric suction (ψ) and water content (θ) of a porous material evaluated under unsaturated conditions. WRC contains fundamental information about hydro-mechanical behavior of unsaturated porous materials of different composition. In this context, this paper presents the laboratory results and procedures used to determine the WRC of a soil-cement composite material used in road pavement construction. With this purpose, water content and matric suction measurements in a soil-cement composite with 3.5% of Portland cement by using pressure cells were developed. Fitting values of the WRC were calculated according to the theoretical four-parameter van Genuchten model. Hence, the best fit parameters of the van Genuchten water retention curve were estimated using a nonlinear fitting approach based in minimizing the sum of squared-error in nonlinear functions. Results show that the water retention curve and its parameters according to the van Genuchten model determined in this study can be used as reference values of the unsaturated parameters of soil-cement composite material used in road pavement construction. Moreover, soil-cement water retention curve shown in this study corresponds to one of the first results published in the literature on this composite material. Journal Article Ingeniare. Revista chilena de ingeniería 23 4 647 654 SciELO Agencia Nacional de Investigacion y Desarrollo (ANID) 0718-3305 Soil-cement composite, matric suction, water content, nonlinear analysis 1 10 2015 2015-10-01 10.4067/s0718-33052015000400015 COLLEGE NANME Aerospace, Civil, Electrical, and Mechanical Engineering COLLEGE CODE ACEM Swansea University 2024-07-26T12:05:52.3219879 2024-06-20T13:46:37.9529401 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Aerospace Engineering Jose Norambuena-Contreras 0000-0001-8327-2236 1
title Water retention curve of soil-cement composite material
spellingShingle Water retention curve of soil-cement composite material
Jose Norambuena-Contreras
title_short Water retention curve of soil-cement composite material
title_full Water retention curve of soil-cement composite material
title_fullStr Water retention curve of soil-cement composite material
title_full_unstemmed Water retention curve of soil-cement composite material
title_sort Water retention curve of soil-cement composite material
author_id_str_mv 73c6854ebb10465fbf7faab297135641
author_id_fullname_str_mv 73c6854ebb10465fbf7faab297135641_***_Jose Norambuena-Contreras
author Jose Norambuena-Contreras
author2 Jose Norambuena-Contreras
format Journal article
container_title Ingeniare. Revista chilena de ingeniería
container_volume 23
container_issue 4
container_start_page 647
publishDate 2015
institution Swansea University
issn 0718-3305
doi_str_mv 10.4067/s0718-33052015000400015
publisher SciELO Agencia Nacional de Investigacion y Desarrollo (ANID)
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Aerospace Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Aerospace Engineering
document_store_str 0
active_str 0
description Water retention curve (WRC) is a nonlinear function that describes the relationship between the matric suction (ψ) and water content (θ) of a porous material evaluated under unsaturated conditions. WRC contains fundamental information about hydro-mechanical behavior of unsaturated porous materials of different composition. In this context, this paper presents the laboratory results and procedures used to determine the WRC of a soil-cement composite material used in road pavement construction. With this purpose, water content and matric suction measurements in a soil-cement composite with 3.5% of Portland cement by using pressure cells were developed. Fitting values of the WRC were calculated according to the theoretical four-parameter van Genuchten model. Hence, the best fit parameters of the van Genuchten water retention curve were estimated using a nonlinear fitting approach based in minimizing the sum of squared-error in nonlinear functions. Results show that the water retention curve and its parameters according to the van Genuchten model determined in this study can be used as reference values of the unsaturated parameters of soil-cement composite material used in road pavement construction. Moreover, soil-cement water retention curve shown in this study corresponds to one of the first results published in the literature on this composite material.
published_date 2015-10-01T12:05:51Z
_version_ 1805639432913551360
score 11.035655

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