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Geotechnical properties of blends of recycled clay masonry and recycled concrete aggregates in unbound pavement construction

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dc.contributor.authorAzam, A.M.
dc.contributor.authorCameron, D.A.
dc.date.issued2013
dc.description.abstractThis paper presents the engineering characteristics of blends of recycled clay masonry (RCM) with recycled concrete aggregate (RCA) from two material producers from South Australia. The proportion by dry mass of RCM was 20% of the total mass. Results are reported of standard engineering classification tests and static and repeated loading triaxial tests (RLTT). Specimens were tested between 60 and 100% of optimum moisture content (OMC) and at a constant dry density ratio. Matric suctions were measured by the filter paper method to study the influence of suction on strength and to establish soil water characteristic curves (SWCC). Triaxial testing indicated that cohesion varied between 9 and 89 kPa and was dependent on molding moisture content, matric suction, and the material source. Resilient modulus and permanent strain were also influenced by suction. Permanent deformation was able to be modeled successfully using a relationship developed between number of load repetitions and initial matric suction. Based on the laboratory testing program, the recycled clay masonry blends appeared to be suitable for application as subbase.
dc.identifier.citationJournal of Materials in Civil Engineering, 2013; 25(6):788-798
dc.identifier.doi10.1061/(ASCE)MT.1943-5533.0000634
dc.identifier.issn0899-1561
dc.identifier.issn1943-5533
dc.identifier.orcidCameron, D.A. [0000-0003-3816-779X]
dc.identifier.urihttps://hdl.handle.net/1959.8/151709
dc.language.isoen
dc.publisherASCE - American Society of Civil Engineers
dc.rightsCopyright 2013 American Society of Civil Engineers
dc.source.urihttps://doi.org/10.1061/(ASCE)MT.1943-5533.0000634
dc.subjectmatric suction
dc.subjectpermanent strain
dc.subjectrecycled aggregates
dc.subjectresilient modulus
dc.subjectshear strength
dc.subjectshrinkage
dc.titleGeotechnical properties of blends of recycled clay masonry and recycled concrete aggregates in unbound pavement construction
dc.typeJournal article
pubs.publication-statusPublished
ror.mmsid9915909966801831

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