Study on impact of fiber hybridization in material properties of engineered cementitious composites

Krishnaraja, A. R.; Anandakumar, S.; Jegan, M.; Mukesh, T.S.; Kumar, Krishnamoorthy Sampath

doi:10.1590/s1517-707620190002.0662

Cited by 14 publications

(9 citation statements)

References 22 publications

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“…While using cactus mucilage as biopolymer in concrete carbonization rate increased and acted as a positive catalyst. [24][25][26] Sathya observed that lignocellulose in cactus, unsaturated, and saturated fatty acids made this admixture a retardant which eventually improved its strength [27]. The internal curing of concrete was achieved by using super adsorbent polymers [28] and plant extract [29,30], and the improvement in shrinkage of concrete was enhanced [31,32].…”

Section: Introductionmentioning

confidence: 99%

Confinement effectiveness of 2900psi concrete using the extract of Euphorbia tortilis cactus as a natural additive

et al. 2023

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Concrete with cactus is a new type of concrete with high fluidity, strength, and durability with more remarkable advantages. The present paper discusses the role of Euphorbia tortilis cactus (ETC) to achieve the strength, durability, and corrosion resistance properties of concrete specimens. In this work, M 20 (2900psi) concrete was designed as per Indian standards, and cactus were used as an additive. ETC extracts from Tamilnadu (India) were replaced with water (1%, 3%, 5%, 7%, 9%) by weight. The performance of cactus concrete was analyzed through destructive and non-destructive tests to investigate strength properties. In addition to that, specific tests such as sorptivity, permeability, half-cell potential test, etc. have been performed further for durability and corrosion resistance. ETC concrete improves the fluidity, thereby enhancing the workability of the mixture. Concrete was analyzed through Scanning Electron Microscopy (SEM) to identify the particle distribution. Experimental investigation shows that the strength properties of concrete have been enhanced by 29% due to Polysaccharides at optimum level. However, durability is achieved at a high, which stimulates the effective filling of voids in concrete. It shows that better performance of concrete gives at optimum dosage. On Euphorbia tortilis cactus concrete, no literature has been discovered.

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Section: Introductionmentioning

confidence: 99%

Confinement effectiveness of 2900psi concrete using the extract of Euphorbia tortilis cactus as a natural additive

et al. 2023

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“…For the purpose of testing the single-lap joint and butt joint for both single and multiple bolt configurations, a specialized all-steel testing apparatus is constructed [68]. A horizontal load frame attached to a hydraulic jack that was specialized electrically with a digital display of load at the loading end is used.…”

Section: Laboratory Configurationmentioning

confidence: 99%

Crushing performance of pultruded GFRP angle section with various connections and joints on lattice towers

Ravikumar¹,

Palanichamy²,

Singaram³

et al. 2023

Matéria (Rio J.)

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The significant features of the GFRP angle make it one of the modern construction members for the present lattice-type Transmission Line Towers (TLT) made out of mild steel. The GFRP structural angle members with gusset plate connections for net-crushing strength are investigated in this study, with an emphasis on connections to transmission line towers. Forty-two specimens of single-lap, butt joints with bolted connections are considered in this study. The gusset plate and edge distance have different widths. The joint is subjected to a compression load before failure modes and the associated loads were noticed. An experimental investigation on the crushing behaviour of GFRP angle sections to determine the crushing performance against the standard crushing force of different connections such as bolted, adhesive, and hybrid (bolted + adhesive) with various joints (butt and lap) has been carried out and are presented. Additionally, the impact of plate edge distance and width on connection effectiveness is investigated. The innovation of the work is in the evaluation of the crushing value for bolted GFRP structural angle members of 2, 3, and 4 nos with gusset plate connections that have been used to predict the compressive strength.

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“…It consists of two cylindrical rings, (Krishnaraja, Anandakumar, Jegan, Mukesh, & Kumar, 2019) one of diameter 300 mm (inner cylinder) and the other 600 mm (outer cylinder) placed over the slab specimen of size 1000 mm and depth 100 mm as shown in Figure 4(b). Initially, water is poured into the cylinder (Susilorini et al, 2014) and then the rapidity of infiltration of the water is noted using the scale attached with respect to the time and depth of infiltration into the slab specimen using Eq.…”

Section: Infiltrationmentioning

confidence: 99%

Mechanical performance of ETC RC beam with U-framed AFRP laminates under a static load condition

Loganathan¹,

Mohanraj²,

Senthilkumar³

et al. 2022

rdlc

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In the presented paper, an attempt has been made to first find the permeability of the Euphorbia tortilis cactus (ETC) concrete by the water permeability method and infiltration method. After that, the flexural strength of the ETC RC beam wrapped with AFRP kelvar 149 is carried out by a 2-point load test. This research aimed to develop a more durable, flexural, and sustainable beam under static load. Based on the state-of-the-art information available in the literature, 3-layer Kelvar 149 AFRP is considered as a laminate to solve the deflections of the ETC beam. In this project, RCC beams were strengthened by ETC and aramid FRP sheets. Novel results are obtained by different layers and patterns of Aramid FRP sheets. Based on the investigation 3-layers Kelvar 149 perform well than a normal concrete beam. As no result based on hydraulic conductivity and drying shrinkage of a beam with AFRP laminates are available in the literature, the obtained results are validated with the finite element method (ABAQUS) under static load conditions.

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Study on impact of fiber hybridization in material properties of engineered cementitious composites

Cited by 14 publications

References 22 publications

Confinement effectiveness of 2900psi concrete using the extract of Euphorbia tortilis cactus as a natural additive

Confinement effectiveness of 2900psi concrete using the extract of Euphorbia tortilis cactus as a natural additive

Crushing performance of pultruded GFRP angle section with various connections and joints on lattice towers

Mechanical performance of ETC RC beam with U-framed AFRP laminates under a static load condition

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