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Papercrete is a new material that serves as a good substitute for concrete. Papercrete is shredded paper, sand, and cement mixed together to form a very durable brick-like material. Buildings utilizing papercrete are well-insulated and resistant to termites and fire. Papercrete is very cheap as it usually only costs about $0.35 per square foot.
For comparison, the compressive strength of concrete ranges from 15 to 70 MPa (2,200–10,200 psi) depending on the application. A more useful measure of papercrete's properties is its stiffness, that is, the extent to which it compresses under load. Its stiffness is many times less than that of concrete, but sufficient for the support of roof ...
Concrete is a composite material composed of aggregate bonded together with a fluid cement that cures to a solid over time. Concrete is the second-most-used substance in the world after water, [1] and is the most widely used building material. [2] Its usage worldwide, ton for ton, is twice that of steel, wood, plastics, and aluminium combined. [3]
Waffle slab foundations adhere to International Building Code requirements. By 2008, most states put into effect the changes adopted in the 2006 IBC and, in regards to foundations, the on-grade mat foundation has become a more attractive design because, as an engineered system, it already accommodates the 2008 design recommendations, and required no major modifications to bring it into compliance.
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Cement board is composed of aggregated Portland cement with a glass-fiber mesh on the surfaces. This 5 ⁄ 16 inch (7.9 mm) thick cement board is designed as an underlayment for tile floors.
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