Ranjbar, N;
Behnia, A;
Chai, HK;
Alengaram, J;
Jumaat, MZ;
(2016)
Fracture evaluation of multi-layered precast reinforced geopolymer-concrete composite beams by incorporating acoustic emission into mechanical analysis.
Construction and Building Materials
, 127
pp. 274-283.
10.1016/j.conbuildmat.2016.09.144.
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Abstract
In this study, a multi-layered steel reinforced composite beams which are composed of geopolymer concrete section at tensile zone and Portland cement based concrete at compression are investigated. The beams were tested to failure to compare the toughness, post peak behaviour and failure mode based on the variation of the depth of layers. The mechanical analysis incorporated into acoustic emission technique showed that the geopolymer beam endured more deflection than the ordinary Portland cement based beams, however their ultimate load carrying capacities were quite similar. Further, the composite beams, resulted in transition of failure mode of shear to a flexural.
| Type: | Article |
|---|---|
| Title: | Fracture evaluation of multi-layered precast reinforced geopolymer-concrete composite beams by incorporating acoustic emission into mechanical analysis |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1016/j.conbuildmat.2016.09.144 |
| Publisher version: | https://doi.org/10.1016/j.conbuildmat.2016.09.144 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Multilayers beam; Composite; Geopolymer; Reinforced concrete beam; Fly ash; Acoustic emission; Damage, horizontal shear crack |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10060995 |
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