A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Geopolymer Concrete Structures: Bond with Deformed Steel Bars
The promising performances showed by geopolymer concrete led several researchers to investigate about possibilities of using this material in reinforced structural elements. Since geopolymer binder has a different microstructure from Ordinary Portland Cement (OPC) it is necessary to investigate, also, on its bonding behavior with steel bar that as well-known influences the service and ultimate conditions. For this reason, in the last decades both direct pull-out and beam-end tests were carried out with this material. Generally, it has been observed that Geopolymer Concrete (GPC) has higher bond strength than OPC concrete due to the higher compression strength and the dense and compact microstructure of GPC. This means that the existing design equation for bond strength prediction of ordinary concrete can be conservatively used also for GPC. In this paper the bond-slip behavior between GPC and steel reinforcing bar with two different diameters has been investigated.
Geopolymer Concrete Structures: Bond with Deformed Steel Bars
The promising performances showed by geopolymer concrete led several researchers to investigate about possibilities of using this material in reinforced structural elements. Since geopolymer binder has a different microstructure from Ordinary Portland Cement (OPC) it is necessary to investigate, also, on its bonding behavior with steel bar that as well-known influences the service and ultimate conditions. For this reason, in the last decades both direct pull-out and beam-end tests were carried out with this material. Generally, it has been observed that Geopolymer Concrete (GPC) has higher bond strength than OPC concrete due to the higher compression strength and the dense and compact microstructure of GPC. This means that the existing design equation for bond strength prediction of ordinary concrete can be conservatively used also for GPC. In this paper the bond-slip behavior between GPC and steel reinforcing bar with two different diameters has been investigated.
Geopolymer Concrete Structures: Bond with Deformed Steel Bars
RILEM Bookseries
Valente, Isabel B. (editor) / Ventura Gouveia, António (editor) / Dias, Salvador S. (editor) / Romanazzi, V. (author) / Leone, M. (author) / Aiello, M. (author) / Pecce, M. R. (author)
RILEM Spring Convention and Conference ; 2020 ; Guimarães, Portugal
Proceedings of the 3rd RILEM Spring Convention and Conference (RSCC 2020) ; Chapter: 16 ; 173-182
RILEM Bookseries ; 33
2021-07-06
10 pages
Article/Chapter (Book)
Electronic Resource
English
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