Self-cementing properties of recycled concrete aggregates (RCA) on the example of tests of material and layers of pavement subbase
Jakub Fengier
Institute of Civil Engineering; Faculty of Civil and Environmental Engineering; Poznan University of Technology (Poland)
https://orcid.org/0000-0003-2454-1787
Andrzej Pożarycki
Institute of Civil Engineering; Faculty of Civil and Environmental Engineering; Poznan University of Technology (Poland)
https://orcid.org/0000-0002-1321-066X
Abstract
The work is an attempt to summarize the experience concerning the diagnosis of the practical properties of recycled aggregate concrete cement (RCA). It describes the phenomenon of self-cementing properties which was investigated in both the laboratory and on field tests including compressive strength of RCA, non-conventional oedometric tests of RCA and plate bearing tests on the surface of RCA layer. The described self-cementing properties were remarked, however, the RCA material was characterized by smaller increase in the value of parameter EV2 in a 2-year period of time than recycled concrete materials described in the available literature.
Keywords:
recycled concrete aggregates, self-cementing properties, parameters change over time, course - graded aggregate testsReferences
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Authors
Jakub FengierInstitute of Civil Engineering; Faculty of Civil and Environmental Engineering; Poznan University of Technology Poland
https://orcid.org/0000-0003-2454-1787
Authors
Andrzej PożaryckiInstitute of Civil Engineering; Faculty of Civil and Environmental Engineering; Poznan University of Technology Poland
https://orcid.org/0000-0002-1321-066X
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