A comprehensive review on drop weight impact characteristics of bast natural fiber reinforced polymer composites

Pingulkar, Harshad; Mache, Ashok; Munde, Yashwant; Siva, I.

doi:10.1016/j.matpr.2020.12.925

Cited by 26 publications

(17 citation statements)

References 56 publications

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“…On the other hand, Chen et al [ 67 ], demonstrated that through an analytical model which compared with an experimental one, increasing the bond length and compressive strength of concrete improves the flexure capacity of the beam under fatigue loading. This is inconsistent with studies [ 49 , 50 ] carried out using EB FRP systems that indicated that an increase in compressive strength of concrete does not improve the flexural capacity of RC beams.…”

Section: Near-surface Mounted Frp Strengthening Techniques Adopted In...contrasting

confidence: 80%

“…The study proved that despite the fact that CFRP showed better strengthening capacity, there was an additional cost to increasing stiffness in the CFRP-strengthened beam; the failure mode went from being flexible to brittle. According to Pingulkar et al [ 49 ], increased fibre content in laminated composites has been shown to also improve energy absorption and impact resistance. It is worthy to note that compressive strength of concrete had little influence on how well-enhanced specimens perform, which is similar to study carried out by Hawileh et al [ 50 ].…”

Section: External Bonded Nfrp Strengthening Techniques Adopted In Pas...mentioning

confidence: 99%

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Experimental Investigation on the Strengthening of Reinforced Concrete Beams Using Externally Bonded and Near-Surface Mounted Natural Fibre Reinforced Polymer Composites—A Review

Effiong

Ede

2022

Materials

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Developing more resilient and sustainable physical infrastructure increases the demand for sustainable materials and strengthening approaches. Many investigations into strengthening RC beam structures have used either externally bonded (EB) or near-surface mounted (NSM) systems with synthetic fibre reinforced polymer composites. These synthetic fibres are unsustainable since they involve the use of nonrenewable resources and a large amount of energy. Research shows that natural fibre reinforced polymer (NFRP) composites may be an alternative to synthetic FRP composites in the strengthening of concrete beams. However, there is limited literature that validates their performance in various structural applications. Hence, the purpose of this paper is to explore the advances, prospects, and gaps of using EB/NSM NFRP techniques in strengthening concrete beams to provide areas for future research directions. The NSM FRP technique provides improved strengthening effects and mitigates the concerns associated with the EB system, based on a wider range of applications using synthetic FRPs. However, the NSM NFRP strengthening technique has been underutilized, though the EB NFRP system has been more commonly explored in reviewed studies. The knowledge gaps and areas for proposed future research directions are essential in developing work in emerging NFRPs and strengthening techniques for sustainable infrastructure.

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Section: Near-surface Mounted Frp Strengthening Techniques Adopted In...contrasting

confidence: 80%

Section: External Bonded Nfrp Strengthening Techniques Adopted In Pas...mentioning

confidence: 99%

Experimental Investigation on the Strengthening of Reinforced Concrete Beams Using Externally Bonded and Near-Surface Mounted Natural Fibre Reinforced Polymer Composites—A Review

Effiong

Ede

2022

Materials

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“…Most of the Flax-based composites offer a higher impact strength than the corresponding Kevlar-based composites because of their soft, elastic, and extremely long crystalline polymer system. This forms more hydrogen bonds, causing higher resistance to sudden loads and resulting in higher impact strength [ 45 ]. When comparing all flax-based composites with each other, the FP samples show the highest impact strength (62.24 KJ/mm 2 and 73.51 KJ/mm 2 ) compared to FH (42.21 KJ/mm 2 and 67.05 KJ/mm 2 ), followed by FL (15.54 KJ/mm 2 and 19.35 KJ/mm 2 ), for three-layered and five-layered composites, respectively.…”

Section: Resultsmentioning

confidence: 99%

Development of Lightweight Cricket Pads Using Knitted Flexible Thermoplastic Composites with Improved Impact Protection

et al. 2022

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Cricket is one of the most popular global sports, and cricket pads are important personal protective gear used for shock absorption and peak deceleration of the impact forces of the cricket ball for both batsmen and wicket keepers. The materials selection of the padding should be considered according to requirements. In the present study, flexible composites were manufactured using knitted unidirectional thermoplastic composite prepregs. Prepregs were fabricated using thermoplastic yarns, e.g., High Density Polyethylene (HDPE), Polypropylene (PP), and Low Melting Polyester (LMPE). Para-aramid (Kevlar) and Flax yarns were used as inlay. The structures were stacked in three and five layers, and hot compression was used to convert thermoplastic yarn into matrix. A total of twelve samples were prepared, and their mechanical properties were evaluated. Tensile and flexural properties, short beam strength, and impact properties were optimized using the multi-criteria decision-making (MCDM) technique for order performance by similarity to ideal solution (TOPSIS). This approach was used to select the best material for use in cricket pads. The candidate samples were ranked using statistical techniques. The optimum sample was found to be FP5, i.e., Flax with polypropylene using five layers, which exhibited the maximum impact strength. The results showed that the mechanical properties were improved in general by increasing the number of layers. The significance and percentage contribution of each factor was obtained by ANOVA (α = 0.10) and pie chart, which showed Factors A and C (inlay yarn and number of layers) to be the main contributors. The optimal samples showed superior impact-related performance compared to a market sample cricket pad.

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“…Stem/bast natural fibers are the most promising because they support the weight of the plant and are the source of the plant's rigidity. 20 The type of flora that are local to a region influence which green composites are most attractive choices, because utilizing nearby resources reduces transportation costs and is thus more sustainable than sourcing materials from distant locations. Natural fibers have low density and are expensive to transport.…”

Section: Abundance and Regionality Of Renewable Reinforcing Fibersmentioning

confidence: 99%

Renewed interest in biopolymer composites: incorporation of renewable, plant-sourced fibers

et al. 2023

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A comprehensive review on drop weight impact characteristics of bast natural fiber reinforced polymer composites

Cited by 26 publications

References 56 publications

Experimental Investigation on the Strengthening of Reinforced Concrete Beams Using Externally Bonded and Near-Surface Mounted Natural Fibre Reinforced Polymer Composites—A Review

Experimental Investigation on the Strengthening of Reinforced Concrete Beams Using Externally Bonded and Near-Surface Mounted Natural Fibre Reinforced Polymer Composites—A Review

Development of Lightweight Cricket Pads Using Knitted Flexible Thermoplastic Composites with Improved Impact Protection

Renewed interest in biopolymer composites: incorporation of renewable, plant-sourced fibers

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