A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Durability of Polymer Modified Repair Mortars on Concrete Structures
Polymer modified mortars (PMM) used as repair products present higher intrinsic properties than classic mortar due to polymer effect in the cementitious matrix. But evolution of their adhesives properties is not well known. This article deals with adhesive behavior of two PMMs made in laboratory with styrene acrylate (SA) and ethylene vinyl acetate (EVA) polymers. It is highlighted that adhesion of these mortars depends on polymer amount in the mortar, on the environmental conditions, and on the roughness of the concrete support. This adhesion is improved in warm environment and with high roughness of support surface. The influence of polymer amount is not the same for the two types of polymers but in the two cases, bond strength remains low when low amount of polymer are added.
Durability of Polymer Modified Repair Mortars on Concrete Structures
Polymer modified mortars (PMM) used as repair products present higher intrinsic properties than classic mortar due to polymer effect in the cementitious matrix. But evolution of their adhesives properties is not well known. This article deals with adhesive behavior of two PMMs made in laboratory with styrene acrylate (SA) and ethylene vinyl acetate (EVA) polymers. It is highlighted that adhesion of these mortars depends on polymer amount in the mortar, on the environmental conditions, and on the roughness of the concrete support. This adhesion is improved in warm environment and with high roughness of support surface. The influence of polymer amount is not the same for the two types of polymers but in the two cases, bond strength remains low when low amount of polymer are added.
Durability of Polymer Modified Repair Mortars on Concrete Structures
Tchetgnia Ngassam, Ines Leana (author) / Marceau, Sandrine (author) / Chaussadent, Thierry (author)
2013
6 Seiten
Conference paper
English
Adhäsion , Polymer , Klebstoff , Styrol , Acrylat , Ethylenvinylacetat , Beton , Rauigkeit , Verbundfestigkeit , Polymerart
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