Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Chloride corrosion of embedded reinforced steel on concrete elaborated from recycled coarse aggregates and supplementary cement materials
As a result of contributive and sustainable strategies on concrete industry, researches are presently being developed, which are focused on improving durability of reinforced concrete structures as well as partially or completely replacing their components by recycled materials. In the case of steel bars, corrosion is considered as the major durability menace to reinforced concrete. The present research employed coarse aggregate from recycled concrete and supplementary cement materials, which are byproducts of industrial processes, such as fly ashes and silica fume, for the elaboration of sustainable concretes and for the evaluation of their behavior faced to chlorides exposure. Compressive resistance, electric resistivity, loading transfer resistance and ion chloride permeability resistance are the parameters which were determined from the resulting test specimens, thus specifying the minimum required properties for concrete, in accordance with regulations that guarantee its durability faced to chloride actions. From results obtained it is concluded that concrete elaborated using a 100% of recycled coarse aggregate and supplementary cement materials improves its behavior as far as resistance and durability are concerned, in comparison to conventional concrete. ; Peer Reviewed ; Postprint (published version)
Chloride corrosion of embedded reinforced steel on concrete elaborated from recycled coarse aggregates and supplementary cement materials
As a result of contributive and sustainable strategies on concrete industry, researches are presently being developed, which are focused on improving durability of reinforced concrete structures as well as partially or completely replacing their components by recycled materials. In the case of steel bars, corrosion is considered as the major durability menace to reinforced concrete. The present research employed coarse aggregate from recycled concrete and supplementary cement materials, which are byproducts of industrial processes, such as fly ashes and silica fume, for the elaboration of sustainable concretes and for the evaluation of their behavior faced to chlorides exposure. Compressive resistance, electric resistivity, loading transfer resistance and ion chloride permeability resistance are the parameters which were determined from the resulting test specimens, thus specifying the minimum required properties for concrete, in accordance with regulations that guarantee its durability faced to chloride actions. From results obtained it is concluded that concrete elaborated using a 100% of recycled coarse aggregate and supplementary cement materials improves its behavior as far as resistance and durability are concerned, in comparison to conventional concrete. ; Peer Reviewed ; Postprint (published version)
Chloride corrosion of embedded reinforced steel on concrete elaborated from recycled coarse aggregates and supplementary cement materials
Corral Higuera, Ramón (Autor:in) / Arredondo Rea, Susana Paola (Autor:in) / Almaral Sánchez, Jorge Luis (Autor:in) / Gómez Soberón, José Manuel Vicente (Autor:in) / Universitat Politècnica de Catalunya. Departament de Construccions Arquitectòniques II / Universitat Politècnica de Catalunya. GICITED - Grup Interdiciplinari de Ciència i Tecnologia en l'Edificació
01.04.2013
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Àrees temàtiques de la UPC::Enginyeria dels materials::Assaig de materials::Assaigs de corrosió , corrosion , chloride permeability , Àrees temàtiques de la UPC::Edificació::Materials de construcció::Formigó , Building materials--Recycling , Formigó--Corrosió , Materials de construcció--Reciclatge , electro-chemical impedance spectroscopy , Concrete--Corrosion , electric resistivity , Recycled concrete
DDC:
690
Cement paste content and water absorption of recycled concrete coarse aggregates
| Online Contents | 2014
Cement paste content and water absorption of recycled concrete coarse aggregates
| British Library Online Contents | 2014
Cement paste content and water absorption of recycled concrete coarse aggregates
| Online Contents | 2013