Enhancement of tensile performance of concrete by using synthetic polypropylene fibers

• Autorzy: Jienmaneechotchai Thunyawee , Foytong Piyawat , Khunkitti Pirat , Sata Vanchai , Chindaprasirt Prinya

Identyfikatory

DOI

10.22630/srees.5218

• Języki publikacji: EN

Abstrakty

EN

The research attempted to investigate the effect of polypropylene fibers (PP fibers) on the mechanical characteristics of concrete. According to ASTM C39/C39M and ASTM C 1609/C1609M, standard testing methods were used to examine the concrete compressive and flexural strength, post-cracking behavior, and toughness. The mechanical properties were evaluated at different ages of concrete curing, namely 1 day, 7 days, and 28 days, and for different quantities of fiber volume portions, specifically 0.0%, 0.5%, and 1.0%. The results demonstrate that a fiber volume of 0.5% is the most effective in obtaining the highest compressive strength. The recorded values at the related testing ages were 31.07 MPa, 41.51 MPa, and 46.68 MPa. Additionally, the utilization of 0.5% and 1.0% volume of PP fiber in concrete resulted in improved flexural strength and post-cracking performance. The toughness values for these mixes were 2.0 and 2.6 times higher than those for the plain concrete. Upon analyzing the fracture surface, there was a homogeneous distribution of fibers, which played a significant role in enhancing the overall functionality of the concrete. The research validated that the inclusion of polypropylene fibers substantially enhanced the mechanical characteristics of concrete, emphasizing the potential of fiber reinforcement in concrete-based implementations.

Słowa kluczowe

EN

polypropylene fibre; modulus of rupture; toughness

• Wydawca: Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
• Czasopismo: Przegląd Naukowy Inżynieria i Kształtowanie Środowiska
• Rocznik: 2023
• Tom: Vol. 32, No. 4
• Strony: 320--337
• Opis fizyczny: Bibliogr. 25 poz., rys., tab., wykr., zdj.

Twórcy

autor

Jienmaneechotchai Thunyawee

• Khon Kaen University, Faculty of Engineering, Department of Civil Engineering, Sustainable Infrastructure Research and Development Center, Thailand

autor

Foytong Piyawat

• Khon Kaen University, Faculty of Engineering, Department of Civil Engineering, Sustainable Infrastructure Research and Development Center, Thailand

autor

Khunkitti Pirat

• Khon Kaen University, Faculty of Engineering, Department of Electrical Engineering, Thailand

autor

Sata Vanchai

• Khon Kaen University, Faculty of Engineering, Department of Civil Engineering, Sustainable Infrastructure Research and Development Center, Thailand

autor

Chindaprasirt Prinya

• Khon Kaen University, Faculty of Engineering, Department of Civil Engineering, Sustainable Infrastructure Research and Development Center, Thailand

Bibliografia

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