eprintid: 10060995 rev_number: 23 eprint_status: archive userid: 608 dir: disk0/10/06/09/95 datestamp: 2018-11-08 18:30:24 lastmod: 2021-09-26 23:07:16 status_changed: 2018-11-08 18:30:24 type: article metadata_visibility: show creators_name: Ranjbar, N creators_name: Behnia, A creators_name: Chai, HK creators_name: Alengaram, J creators_name: Jumaat, MZ title: Fracture evaluation of multi-layered precast reinforced geopolymer-concrete composite beams by incorporating acoustic emission into mechanical analysis ispublished: pub divisions: UCL divisions: B04 divisions: C05 divisions: F44 keywords: Multilayers beam; Composite; Geopolymer; Reinforced concrete beam; Fly ash; Acoustic emission; Damage, horizontal shear crack note: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. 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. date: 2016-11-30 date_type: published publisher: ELSEVIER SCI LTD official_url: https://doi.org/10.1016/j.conbuildmat.2016.09.144 oa_status: green full_text_type: other language: eng primo: open primo_central: open_green article_type_text: Article verified: verified_manual elements_id: 1555993 doi: 10.1016/j.conbuildmat.2016.09.144 lyricists_name: Ranjbar, Navid lyricists_id: NRANJ56 actors_name: Flynn, Bernadette actors_id: BFFLY94 actors_role: owner full_text_status: public publication: Construction and Building Materials volume: 127 pagerange: 274-283 pages: 10 issn: 1879-0526 citation: 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 <https://doi.org/10.1016/j.conbuildmat.2016.09.144>. Green open access document_url: https://discovery.ucl.ac.uk/id/eprint/10060995/1/Ranjbar_Fracture%20evaluation.pdf