Effect of acrylic copolymer addition and interface treatment on the bond strength of polymer modified mortar and concrete

Polymer-modified mortar is made of mortar with the addition of copolymer acrylic. An acrylic copolymer is one of the additives suitable for mortar repair because it can increase the overall durability of cement. This research investigates the bond strength between polymer-modified mortar and concret...

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Bibliographic Details
Published in:E3S web of conferences 2023-01, Vol.429, p.5016
Main Authors: Caesar, Rachmad Aditya, Kristiawan, Stefanus Adi, As’ad, Sholihin
Format: Article
Language:English
Subjects:
Additives
Adhesive strength
Bonding agents
Bonding strength
Cement
Copolymers
Durability
Mortars (material)
Polymers
Reagents
Shear tests
Substrates
Surface treatment
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Summary:Polymer-modified mortar is made of mortar with the addition of copolymer acrylic. An acrylic copolymer is one of the additives suitable for mortar repair because it can increase the overall durability of cement. This research investigates the bond strength between polymer-modified mortar and concrete substrate with treatment on the concrete surface. This research investigation focused on determining the effect of acrylic copolymers on bond strength. In addition, this study also investigated the effect of surface treatment with the addition of a bonding agent on bond strength. This study uses a test method: the slant shear test. The results showed that adding a bonding agent and acrylic copolymer increased the adhesive strength of the repair mortar on the concrete substrate. Generally, the higher the amount of bonding agent, the greater the expected bond strength. Meanwhile, in a ratio of 1:1.5 with cement, the acrylic copolymer can maximize bond strength.
ISSN:2267-1242
2555-0403
2267-1242
DOI:10.1051/e3sconf/202342905016