Flexural behavior of reinforced bubble arch slabs: A Review
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Abstract
Concrete slabs are essential components of any building structure, providing thermal comfort and enhancing the overall quality of life for occupants. However, concrete slabs require a significant amount of concrete for flooring and roofing, contributing to substantial CO2 emissions—over 5% globally from cement production alone. This study explores the reduction of concrete in slabs through the incorporation of high-density polyethylene (HDPE) hollow spheres. These hollow spheres effectively eliminate non-structural concrete from the slab's middle, reducing its self-weight and increasing efficiency. This technique produces slabs that are 35-50% lighter, reducing loads on columns, walls, and foundations, while also cutting costs and CO2 emissions. Additionally, employing arched shapes, known for their structural efficiency, can further decrease material usage and associated costs. By combining arched and bubble techniques, we achieve our goal of creating lighter, more efficient concrete slabs.
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