engleski

Precast Concrete Blocks with Crushed Bricks and Roof Tiles as an Aggregate

To study possibility of usage of crushed clay bricks and roof tiles as an aggregate for concrete in precast concrete products, a comprehensive testing program was conducted. Selection of acceptable concrete mixtures was made according to experimental results and mathematical models. Finally, optimal concrete mixture for precast concrete blocks, as part of beam and blocks floor system, was chosen according to a multi-criteria decision. Applicability of concrete mixture for precast concrete blocks was tested regarding the requirements set in HRN EN 15037-2 Precast Concrete products – Beam and block floor systems – Part 2: Concrete blocks. Precast concrete blocks with crushed bricks and roof tiles (BlockB&T) were made and their geometrical, mechanical, thermal and acoustic properties were tested. Based on experimental results, conclusions are made about usage of crushed bricks and roof tiles as partial replacement of natural aggregate in concrete for precast concrete blocks.

Crushed brick; crushed tile; concrete; precast concrete blocks

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