Journal
COMPOSITE STRUCTURES
Volume 93, Issue 9, Pages 2368-2374Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2011.03.025
Keywords
Fiber-reinforced concrete; Recycled PET; Thermal conductivity; Compressive strength; First crack strength; Ductility indices
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This work presents an experimental study of thermal conductivity, compressive strength, first crack strength and ductility indices of recycled PET fiber-reinforced concrete (RPETFRC). We examine PET filaments industrially extruded from recycled PET bottle flakes with different mechanical properties and profiles. On considering a volumetric fiber dosage at 1%, we observe marked improvements in thermal resistance, mechanical strengths and ductility of RPETFRC, as compared to plain concrete. A comparative study with earlier literature results indicates that RPETFRC is also highly competitive over polypropylene-fiber-reinforced concrete in terms of compressive strength and fracture toughness. (C) 2011 Elsevier Ltd. All rights reserved.
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