Rethinking the concrete hollow block.
COMPARATIVE ANALYSIS OF TRADITIONAL CONCRETE HOLLOW BLOCKS AND CONCRETE HOLLOW BLOCKS WITH CRUMB TIRE RUBBER AS AN ADDITIVE COMPONENT ON ITS STRUCTURAL PERFORMANCE
An experimental comparison of conventional concrete hollow blocks and mixes with 3%, 5% and 7% crumb tire rubber as a partial fine-aggregate replacement. The study examines density, water absorption and compressive strength to assess the trade-off between recycled material use and structural performance.
The tested rubber mixes showed lower density, higher water absorption and substantially lower compressive strength. The 3% mix retained the most strength among the rubber mixes, but remained well below the control.
12 compression-test specimens · 4 mixes · Laboratory comparison
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