Investigations on mechanical and thermal properties of concrete with different proportions of insulation aggregates

Investigation of mechanical properties and thermal behavior of expanded polystyrene concrete (EPS) and exfoliated vermiculite (EV) concrete has been accomplished in this research. It includes how EPS concrete is prepared by substituting the coarse aggregate with 0, 10, 15, and 20% with EPS aggregate...

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Bibliographic Details
Published in:Structural concrete : journal of the FIB 2021-01, Vol.22 (S1), p.E720-E731
Main Authors: Ch, Naga Satish Kumar, A, Parvathidevi
Format: Article
Language:English
Subjects:
Aggregates
Compressive strength
Concrete
durability
exfoliated vermiculite
expanded polystyrene
Insulation
lightweight aggregate concrete
Mechanical properties
Polystyrene resins
Tensile strength
thermal properties
Thermodynamic properties
Vermiculite
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Summary:Investigation of mechanical properties and thermal behavior of expanded polystyrene concrete (EPS) and exfoliated vermiculite (EV) concrete has been accomplished in this research. It includes how EPS concrete is prepared by substituting the coarse aggregate with 0, 10, 15, and 20% with EPS aggregates. Similarly, EV concrete is prepared by replacing the fine aggregates with 0, 15, 45, and 60% with EV aggregates. The influence of EPS and EV proportion on mechanical and thermal properties was detected. Thermal properties were studied with an adiabatic box technique. Clear improvement in thermal behavior was observed in comparison with normal concrete and reduction in compressive strength was observed for an appreciable increase in the amount of EPS and EV. Also, the properties like split tensile strength, load–deflection curves, and durability properties of the EPS and EV concretes were experimented.
ISSN:1464-4177
1751-7648
DOI:10.1002/suco.201900492