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EDP Sciences E3S Web of Conferences 429
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    초록·키워드

    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.

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