Stability Analysis of Electric Transmission Line Tower Made with Composite Material Carbon Fiber Epoxy - An Innovative Approach

Bhowmik, Chiranjit; Chakraborti, Prasun

doi:10.18280/rcma.290102

Cited by 5 publications

(3 citation statements)

References 10 publications

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“…GFRP specimens that are fabricated in a unidirectional fiber orientation using pultrusion techniques as shown in Figure 1 by Meena glass fiber Industries, Puducherry have been procured for experimentation [61][62]. It was manufactured by the pultrusion process as shown in Figure 1.…”

Section: Methodsmentioning

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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Section: Methodsmentioning

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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“…al., 9 explored the tensile capacity of single bolted connections between GFRP angle sections, incorporating gusset plates in their investigation. Bhowmik et al, [10][11][12] have discussed the deterioration of components in steel transmission towers, proposing alternative materials like carbon fibre epoxy, Glass Fiber Polyamide (GFP) composite, etc. These materials were considered for a 132 kV transmission tower and modelled using finite element analysis software.…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigation of Lateral Load Test on Diagonal Braced 3M Glass Fiber Reinforced Polymer Transmission Tower

Krishnasamy,

Johnson,

Kumar

et al. 2024

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Over the past decades, numerous research and development studies worldwide have focused on various civil engineering applications involving composite materials. Presently, recent investigations have explored the utilization of Glass Fiber Reinforced Polymer (GFRP) members in tower panels, composite cross arms in towers, full-scale 66 kV FRP double circuit towers, FRP towers created through filament winding techniques, GFRP triangular base communication towers, GFRP square base tower panels with bolted connections and strength and stability assessments of Glass Fiber Polyamide (GFP) towers and carbon fibre reinforced towers. The susceptibility of conventional TLT members to theft, where thieves often cut and steal them, prompted the suggestion to consider TLTs constructed with different materials. The study for examining the behavior of hybrid joints in angle-to-angle connections, with an ‘e/d’ ratio is 5. The well-performing hybrid joint has been implemented in a GFRP tower model and subjected to lateral loading to assess the effectiveness of such joints.

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“…An evaluation was done to reveal the maximum tensile stress in members close to the base of structure to be 210 MPa, whereas the breaking stress (theoretical) of the composite is 1200 MPa which is found to be much higher than tensile stress that occurred at the transmission tower under various load conditions, hence, concluded to be a stable composite tower. 19,20 Supian et al 21 studied durability as well as degradation of GFRP cross arm of transmission towers. An evaluation has also been done, which, when the GFRPs were exposed to the outdoor environment, the mechanical strength did not decrease with the enduring environmental surroundings.…”

Section: Introductionmentioning

confidence: 99%

Stability analysis of glass fibre polyamide composite transmission tower

Bhowmik

Gupta

Chakraborti

2020

Journal of Reinforced Plastics and Composites

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The cross-sectional degradation of steel transmission tower members due to corrosion has been one of the major issues in the transmission line system. The degradation of appearance of the material has also been seen because of corrosion. Therefore, there is a need for a less corrosive and high strength alternate material for transmission towers. It seems in recent years that alternate materials have been needed to replace steel which have low maintenance cost and good resistance to corrosion. The advantages of composite transmission towers are fire resistant, high stiffness, durability, high strength, moderate ductility, rigidity, easy to assemble and economical. The present study has made an effort to evaluate the performance of composite transmission tower. The glass fibre polyamide composite material has been used as a structural material. First, a finite element tower model of 132 KV has been set up in Structural Analysis and Design Software as glass fibre polyamide structural material as per transmission tower design guidelines (Code for Transmission tower design, IS 802.1.1.1995, Bureau of Indian Standards). Second, all the active loads like wind load on the body, wind load on conducting wires and ground wires, weight of conducting wires, weight of structure, weight of ground wires, weight of insulator and weight of line man with tools are calculated manually as per transmission tower design guidelines and applied in the finite element tower model. The stress distribution of the composite tower model has been simulated in Structural Analysis and Design Software and the results have been analysed. The broken wire condition (if one conductor is broken or earth wire is broken) has been innovatively considered in the present study. Results obtained in this article show that maximum induced stress on transmission tower member is less than the deign strength of glass fibre polyamide composite material. The glass fibre polyamide composite material has been found to be capable to withstand the maximum stresses induced due to different loading conditions considered in the study.

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Stability Analysis of Electric Transmission Line Tower Made with Composite Material Carbon Fiber Epoxy - An Innovative Approach

Cited by 5 publications

References 10 publications

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

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

Experimental Investigation of Lateral Load Test on Diagonal Braced 3M Glass Fiber Reinforced Polymer Transmission Tower

Stability analysis of glass fibre polyamide composite transmission tower

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