Numerical modeling of rebar-matrix bond behaviors of nano-SiO2 and PVA fiber reinforced geopolymer composites
Sign Up to like & getrecommendations! Published in 2021 at "Ceramics International"
DOI: 10.1016/j.ceramint.2021.01.012
Abstract: Abstract Geopolymer composites represent promising alternatives to ordinary Portland cement materials, whose properties can be improved by mixing polyvinyl alcohol (PVA) fibers and nano-SiO2 (NS). In this study, bond tests and numerical modeling were conducted… read more here.
Keywords: rebar matrix; matrix bond; bond behaviors; geopolymer composites ... See more keywords
Study on PVA fiber surface modification for strain-hardening cementitious composites (PVA-SHCC)
Sign Up to like & getrecommendations! Published in 2019 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2018.11.072
Abstract: Abstract A new class of high-performance fiber reinforced cementitious composite, namely Engineered Cementitious Composites (ECC) reinforced with Polyvinyl alcohol (PVA) fibers, is characterized by strain-hardening, multiple-cracking and tight crack width. Due to the high cost… read more here.
Keywords: strain hardening; pva fiber; fiber surface; fiber ... See more keywords
Effect of PVA fiber on mechanical properties of cementitious composite with and without nano-SiO2
Sign Up to like & getrecommendations! Published in 2019 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2019.117068
Abstract: Abstract The present study investigated the effect of polyvinyl alcohol (PVA) fiber content on flowability, compressive strength, flexural strength, tensile strength and fracture performance of cementitious composites. The PVA fiber volume content added in the… read more here.
Keywords: strength; nano sio2; pva fiber; fiber mechanical ... See more keywords
Multi-scale improved damping of high-volume fly ash cementitious composite: Combined effects of polyvinyl alcohol fiber and graphene oxide
Sign Up to like & getrecommendations! Published in 2020 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2020.119901
Abstract: Abstract Implementation of high-volume fly ash (HVFA) in cementitious composites helps reduce matrix toughness and thus improve damping property. In this study, graphene oxide (GO) (0.05%, 0.10%, and 0.20%) and polyvinyl alcohol (PVA) fiber (1%… read more here.
Keywords: graphene oxide; volume fly; high volume; pva fiber ... See more keywords
Influence of measuring system on rheological behavior of PVA-fiber reinforced mortars
Sign Up to like & getrecommendations! Published in 2022 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2021.125613
Abstract: Abstract Rheological analysis of fiber reinforced mortar is a complex subject since fibers induce significant flow disturbances in the paste-fiber system. The aim of this study is to compare the rheological properties of PVA-fiber reinforced… read more here.
Keywords: system; fiber reinforced; reinforced mortars; measuring system ... See more keywords
Quasi-Reaction Coarse-Grained Simulation: Unveiling the Mesoscale Interfacial Response of CSH/PVA Fiber.
Sign Up to like & getrecommendations! Published in 2024 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.4c03994
Abstract: The lack of a comprehensive force field and understanding at the mesoscale for hydrated calcium silicate (CSH)/polyvinyl alcohol (PVA) fiber has hindered the upscaling and bridging of nanoscale to macroscale phenomena. In this study, we… read more here.
Keywords: coarse grained; csh; quasi reaction; pva fiber ... See more keywords
Enhancing concrete beam performance with PVA fibers, coal ash, and graphene fabric: a comprehensive structural analysis
Sign Up to like & getrecommendations! Published in 2024 at "International Journal of Coal Preparation and Utilization"
DOI: 10.1080/19392699.2024.2407604
Abstract: ABSTRACT This study evaluates the structural performance of Polyvinyl Alcohol Cementitious Composites (PVCC)-layered reinforced concrete beams with coal ash under static loading. Experimental investigations included first crack load, ultimate load, load-deflection behavior, ductility, stiffness, and… read more here.
Keywords: coal ash; load; performance; fiber ... See more keywords
Shear Load-Displacement Curves of PVA Fiber-Reinforced Engineered Cementitious Composite Expansion Joints in Steel Bridges
Sign Up to like & getrecommendations! Published in 2019 at "Applied Sciences"
DOI: 10.3390/app9245275
Abstract: The concrete in the transition strips of expansion joints can become damaged prematurely during the service period. Polyvinyl alcohol (PVA) fiber-reinforced engineered cementitious composite (ECC) is a kind of high ductility concrete material, and its… read more here.
Keywords: shear load; expansion; load displacement; pva fiber ... See more keywords
Effect of Nanosilica on Mechanical Properties and Microstructure of PVA Fiber-Reinforced Geopolymer Composite (PVA-FRGC)
Sign Up to like & getrecommendations! Published in 2019 at "Materials"
DOI: 10.3390/ma12213624
Abstract: This paper presents the effects of various nanosilica (NS) contents on the mechanical properties of polyvinyl alcohol (PVA) fiber-reinforced geopolymer composites (PVA-FRGC). Microstructure analysis with X-ray diffraction (XRD) and scanning electron microscopy (SEM) was used… read more here.
Keywords: reinforced geopolymer; fiber reinforced; pva fiber; mechanical properties ... See more keywords
Experimental Research on Mechanical Properties and Compression Constitutive Relationship of PVA Fiber-Reinforced Coral Concrete
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15051762
Abstract: In this paper, the mechanical properties of coral concrete with different strength and different polyvinyl alcohol (PVA) fiber content under compression were experimentally investigated. The results show that adding an appropriate amount of PVA fiber… read more here.
Keywords: pva fiber; fiber reinforced; mechanical properties; coral concrete ... See more keywords
Improving the Mechanical Properties of Fly Ash-Based Geopolymer Composites with PVA Fiber and Powder
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15072363
Abstract: In this work, polyvinyl alcohol (PVA) fiber and powder were added to geopolymer composites to toughen fly ash-based geopolymer, and their different toughening mechanisms were revealed. Firstly, different contents of active granulated blast furnace slag… read more here.
Keywords: fly ash; based geopolymer; geopolymer; pva fiber ... See more keywords