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Experimental Investigation of Recycled Rubber Concrete Columns under Cyclic Loading

This study presents experimental testing to examine the possibility of using recycled rubber as partial replacement aggregate for structural columns. Six reinforced concrete columns having 300×300 mm cross-section and 3250 mm total length were tested under axial compression and incrementally increased reversed cyclic loading. The results indicated that rubberized concrete columns made of self-compacting concrete can behave almost like the conventional ones. However, rubberized concrete can delay and reduce the amount of damage occurring under seismic loading. This is attributed to the higher deformability of rubberized concrete compared to conventional. Results demonstrated that rubberized self-compacting concrete provides an environmentally friendly alternative to conventional concrete in structural applications.

recycled rubber, self-compacting concrete, columns, cyclic loading, behavior

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