engleski

Stresses in PCC Overlay and Lightweight Concrete Floor Slab

Paper presents the stress analyses in the floor system with thermal insulating structural lightweight PP fibres reinforced concrete slab and PCC overlay as compared to the similar system with ordinary concrete. Lower strength and modulus of elasticity of lightweight concrete than of ordinary concrete substantially change the state of stresses as compared to the ordinary floor systems. The materials parameters obtained in laboratory tests were used for comparative analyses of stresses caused by thermal changes and loads. The specimens representing the system were tested for thermal compatibility.

thermal insulated floor; lightweight concrete; overlay; stress analyses

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