Engineering Properties of Interlocking Blocks with Coatings

Abstract

The main objective of this study is to compare interlocking blocks with different coatings on compressive strength, water absorption, and durability. Interlocking blocks were modeled as samples with size 5x5x5 centimeter by cement: lateritic soil ratio at 1:7. After 7-day curing, samples were coated with acrylic resin, silicone, and siloxane coatings. Then compressive strength test, water absorption test, and durability test were performed. The results show that all three coatings can reduce water absorption of samples. Siloxane coating gave the lowest water absorption. In terms of compressive strength, all types of coatings gave no effect to compressive strength. In terms of durability, the acrylic resin coating shows lowest weight loss due to wet and dry process.