Abstract
This paper proposes a testing method for evaluating the effect of water content on the deformation–strength characteristics of unsaturated subbase course materials. A medium-size triaxial apparatus for unsaturated soils is newly developed in order to examine the mechanical behavior of unsaturated subbase course materials subjected to fluctuations in water content and to shorten the testing time. It adopts the pressure membrane method with hydrophilic microporous membrane filters, instead of the pressure plate method with ceramic disks, and controls both pore air pressure and pore water pressure at the cap and the pedestal separately. The results of the proposed testing method, carried out by this apparatus, are shown to conform well to the results of previous researches. This indicates that the medium-size triaxial apparatus for unsaturated soils is highly useful for triaxial compression tests and water retentivity tests on unsaturated granular base course materials and for shortening the total testing time.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
