Composite Materials As an Alternative to Replace Steel Members on Lattice Power Transmission Towers

Ramírez-Vázquez, Isaías; Hernández-Corona, R.; Salgado-Talavera, J. Eduardo

doi:10.1061/(asce)mt.1943-5533.0001427

Cited by 7 publications

(5 citation statements)

References 13 publications

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“…The results reveal that UV and extreme temperatures impact GFRP material performance, with reduced strength and elastic modulus increasing, while Poisson's ratio changes little [27]. Vazquez (2015) found that their use in structural engineering was growing every day because of the advantages of composite materials over traditional materials. In countries such as the United States, India, and China, structures for electric energy transmission made entirely of polymeric materials have been built.…”

Section: Previous Experimental Research Programmentioning

confidence: 98%

“…On the other hand, these curren concrete and metal structures were heavyweight materials that were difficult to handl during assembly, repair, and reinstallation. Then there was the issue of vandalism on th transmission towers' metallic bracing [30]. XIAO 2016 used a three-pole model to analyz the force situation of the pole in detail, and the five-pole model was built based on th Zhang (2011) investigated the durability of glass-fiber-reinforced-polymer (GFRP) poles and towers for power transmission in UV and extreme temperatures.…”

Section: Previous Experimental Research Programmentioning

confidence: 99%

“…Jaafar used composite star software to model a laminate design of glass fiber samples to assess mechanical strength and reserve factor in 2015. The composite panels were designed to withstand a distributed load of 5 kN in longitudinal and transverse axis directions on samples with thicknesses ranging from 4 to 4.2 mm by varying the fiber direction [30].…”

Section: Advanced Static Modelsmentioning

confidence: 99%

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FRP Poles: A State-of-the-Art-Review of Manufacturing, Testing, and Modeling

et al. 2022

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Fiber-reinforced polymers poles were on the increase because they were lightweight, have high strength-to-weight ratios, provide corrosion resistance, can be customized to meet strength and deflection requirements, and have a low life-cycle cost of construction and maintenance. This research presents a comprehensive review of all significant research and existing case studies to review the present knowledge concerning fiber-reinforced polymers poles. The main summary covers 70 works focusing on fiber poles to summarize recent activities on selected relevant topics and highlight possible future implementations. In this context, this study discusses fiber-reinforced polymers poles in six aspects: (i) introduction; (ii) methodology; (iii) Materials properties of FRP poles; (iv) manufacturing techniques of FRP poles; (v) testing of FRP poles (static and dynamic flexure test as cantilever beam); (vi) modeling of FRP poles. Therefore, this critical review will demonstrate an overview of FRP Poles manufacturing techniques (Pultrusion, filament winding, centrifugal process, and hand lay-up) and which Pultrusion technique is the best suited for FRP Poles. Static modeling was the most used of other techniques.

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Section: Previous Experimental Research Programmentioning

confidence: 98%

Section: Previous Experimental Research Programmentioning

confidence: 99%

Section: Advanced Static Modelsmentioning

confidence: 99%

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FRP Poles: A State-of-the-Art-Review of Manufacturing, Testing, and Modeling

et al. 2022

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“…On the other hand, alternative materials need to be developed, introduced, and promoted in commercialized production and application. Composite materials can be used as an alternative to replace steel members in construction and the automobile industry [61,62]. For example, engineered thermoplastic materials provide consistent strength and stiffness for metal replacement, while being lighter and stronger than aluminum, alloys, and other metals, and also reducing total cost and weight of parts [63].…”

Section: Policy Implicationsmentioning

confidence: 99%

Critical Mineral Security in China: An Evaluation Based on Hybrid MCDM Methods

Zhang

Bai

et al. 2018

Sustainability

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With economic globalization, the supply-and-demand gap of China’s minerals is becoming increasingly sharp, and the degree of dependence on imports is climbing, which poses a severe threat to the resource security for the country. From the perspectives of system and sustainable development, this paper develops a conceptual framework of mineral security, which is composed of five dimensions: availability, accessibility, technology and efficiency, sociability and governance, and environmental sustainability. Based on this framework, it constructs the evaluating metrics for measuring mineral security. Moreover, it employs the hybrid multiple criteria decision-making methods of Fuzzy analytic hierarchy process (AHP) and preference ranking organization method for enrichment evaluation (PROMETHEE) to assess the security performance for China’s several critical minerals, namely iron, copper, aluminum, lead, zinc, and nickel, with respect to the period of 2001 to 2015. The result indicates that the critical minerals of China were at a low to moderate level of security. Iron, copper, and nickel were in an unsecure situation for their short supply in China, and showed a downswing trend. On the other hand, as the preponderant minerals, lead and zinc were at a relatively secure position and uprising; however, they were exhausting their superiority for the huge and rapid-growth economic demand. Aluminum, as a mineral that China seriously depends on for imports, also demonstrated an upward trend due to the successful management of diversity of importing sources.

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“…With the increasing voltage level and expanding capacity of power systems, the operational reliability of transmission towers is particularly important. In order to balance reliability, environmental protection, and cost, composite insulating material towers that are light weight, corrosion resistant, and offer good insulation performance are gradually being used in North America and China [1][2][3]. During actual operation, composite insulating material towers need to withstand the tensile force of transmission lines, strong winds, and other external environmental forces.…”

Section: Introductionmentioning

confidence: 99%

Suppression Measures of Partial Discharge at Rod–Plate Connection in Composite Tower

Hao¹,

Huang²,

Fang³

et al. 2023

Energies

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Rods and plates at the connections in composite insulating material towers are commonly fixed to each other by metal bolts, which may cause electrical field distortion at the connections. So, the rod–plate connections are prone to partial discharge under polluted and wet conditions, and the resulting electric field and temperature changes can affect the mechanical and electrical performance of the whole tower. In this paper, an artificial pollution test synchronous observation platform with an infrared and visible light imager, leakage current, and voltage measurement was built to observe the dry band formation and partial discharge at the simplified rod–plate connections in the composite towers. Then, the electric field simulation of the rod–plate connection specimen showed the current density distribution. When combining the test and the simulation, it was concluded that the cause of the partial discharge was the distortion of the current density and, thus, measures to suppress the partial discharge at the rod–plate connections were proposed. Finally, it was verified that the measures can improve the current density distortion phenomenon, delay dry band formation, and effectively suppress the partial discharge at the rod–plate connections under the same test conditions.

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Composite Materials As an Alternative to Replace Steel Members on Lattice Power Transmission Towers

Cited by 7 publications

References 13 publications

FRP Poles: A State-of-the-Art-Review of Manufacturing, Testing, and Modeling

FRP Poles: A State-of-the-Art-Review of Manufacturing, Testing, and Modeling

Critical Mineral Security in China: An Evaluation Based on Hybrid MCDM Methods

Suppression Measures of Partial Discharge at Rod–Plate Connection in Composite Tower

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