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21 articles for “Retrofitting”
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Experimental Study on Load Transfer Mechanism in Columns Retrofitted by Bonding Precast Segments and FRP Wrapping
Abstract: An experimental study was conducted to investigate the load transfer mechanism in columns retrofitted with precast segments and Fiber-Reinforced Polymer (FRP) wrapping. As the demand for structural retrofitting grows, it becomes crucial to comprehend the behavior and effectiveness of retrofit techniques to ensure the safety and integrity of existing infrastructure. The study involved subjecting a series of column specimens to axial compression loads in order to evaluate the load transfer …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 153–165 Read article
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Retrofitting of RC Beams Using FRP and FRCM
Abstract: The deterioration of reinforced concrete (RC) structures due to various factors such as aging, aggressive environments, or increased loads poses significant challenges to structural integrity and safety. Retrofitting techniques have emerged as effective solutions to enhance the structural performance of existing RC members. Among the retrofitting options, the use of Fibre Reinforced Polymer (FRP) and Fibre Reinforced Cementitious Matrix (FRCM) systems have gained considerable attention in recent years. The study …
Published in Journal of Polymer & Composites · Vol. 11, Issue 13, 2023 · pp. 31–40 Read article
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Effectiveness of Concrete Retrofitted with FRP Wrapping Subjected to Higher Temperature
Abstract: This work aims to provide additional insight into the behavior of fiber-reinforced polymer (FRP) laminates at high temperatures. The compressive properties of concrete coated in fiber-reinforced polymer (FRP) under elevated heat levels. The study addresses the important issue of assessing the performance of structural elements, specifically concrete columns, in the event of a fire. Recently, there has been increased interest in fiber-reinforced polymer (FRP) composite materials as a possible concrete …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 17–28 Read article
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Seismic Retrofitting of Floating Column Building with Fluid Viscous Dampers and Structural Bracings by using Fast Non-linear Time History Analysis
Abstract: In some of the building structures, even in the newly constructed one, floating columns are used to achieve an aesthetic view or to satisfy the space requirement criteria of building areas like reception lobbies, parking spaces, conference rooms in malls etc. With the use of proper design considerations, buildings built with floating columns, which otherwise are not advised by the codes, can withstand vertical loads, i.e., gravity loads and live …
Published in Journal of Offshore Structure and Technology Read article
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Limestone Calcined Clay Cement (LC3) as a Sustainable Cementitious Composite for Retrofitting Concrete Structures: A Systematic Review
Abstract: This systematic review evaluates the effectiveness of Limestone Calcined Clay Cement (LC3) as a sustainable material for repairing and retrofitting damaged concrete structures. LC3 is highlighted as a low-carbon alternative to Ordinary Portland Cement (OPC), offering improved strength, bonding, and long-term durability. The review compiles and analyzes data from peer-reviewed experimental studies focusing on LC3’s mechanical performance, interface bonding, and durability parameters. Results consistently show higher bond strength, reduced shrinkage, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 163–174 Read article
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Effect of Compressive Strength of Core and Precast Concrete on the Behavior of Column Retrofitted by Precast Segment and FRP Wrapping - A Finite Element Study
Abstract: In the present investigation the effect of compressive strength of core and precast concrete on the behavior of columns retrofitted by attaching precast segments and followed by FRP wrapping through Finite Element Analysis. A rectangular column converted into an elliptical column by attaching precast segment is modeled using ANSYS workbench, A Finite Element Analysis software. A Finite Element Model is developed, considering various structural parameters such as grades of core …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 302–310 Read article
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Seismic Analysis of G+30 RCC Frmaed Structure and Use of R.C Jacketing
Abstract: In high-rise buildings, such as G+30 reinforced concrete (RCC) framed structures, key concerns during seismic events include maintaining structural integrity, preventing catastrophic collapse, and ensuring the safety of occupants. Seismic retrofitting is a vital process aimed at enhancing the resilience of such buildings and infrastructure against earthquake forces, by strengthening their ability to withstand seismic activity. This abstract provides an overview of numerous seismic retrofitting projects implemented worldwide, focusing on …
Published in Recent Trends in Civil Engineering & Technology · Vol. 14, Issue 3, 2024 · pp. 20–37 Read article
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Investigation on Structural Behavior of RC Beam-Column Joints: State-of-the-art
Abstract: Beam-column joints (BCJs) are critical structural elements in buildings, influencing overall structural performance and safety. This review paper presents a comprehensive analysis of findings of research showing concern about various aspects of BCJs, focusing on eccentricity effect, numerical investigation, joint behavior, shear strength, retrofitting strategies, and recent advances. Through experimental studies, numerical simulations, and analytical approaches, various studies have made significant progress in understanding BCJ response to various loading circumstances …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 40–68 Read article
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Numerical Investigation on Structural Behavior of RC Beam-Column Joints: Beam Weak in Shear
Abstract: This study presents a numerical investigation on structural performance of reinforced concrete (RC) beam-column joints (BCJ) with beam weak in shear subjected to cyclic loading. Retrofitting techniques are explored, utilizing Glass Fiber Reinforced Polymer (GFRP) for shear strengthening, in accordance with ductile detailing standards outlined in IS 13920:2016. The column and beam elements are designed following the guidelines of IS 456:2000. Various specimen scales, including full-scale, 2/3-scale, and 1/3-scale specimens, …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 202–226 Read article
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Enhanced Durability and Performance of Reinforced Concrete Beams through CFRP Wrapping: An Experimental Investigation
Abstract: Globally, maintaining and repairing aging reinforced concrete structures poses a significant challenge for the construction industry. Numerous structures built before modern earthquake-resistant design codes lack adequate seismic resilience. Additionally, evolving service requirements often necessitate strengthening existing structures to handle increased loads. While past research explored the effectiveness of various Fiber Reinforced Polymer (FRP) wrappings under specific conditions, limited studies have comprehensively compared the performance of Carbon Fiber Reinforced Polymer (CFRP) …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 37–49 Read article
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Cost-Effective Conversion Techniques of Scrap Bicycles into Intelligent Electric Bicycles: A Review
Abstract: Over the past few years, there has been an overwhelming increase in requirement of sustainable and affordable urban mobility solutions both due to the environmental concerns along with the rising fuel prices and urban traffic jams. Electric bicycles (e-bike) have become an efficient option as a substitute to traditional modes of transport which are similar to conventional tools since they have low emissions and are energy efficient as well as …
Published in Journal of Automobile Engineering and Applications · Vol. 12, Issue 2, 2025 · pp. 30–40 Read article
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Experimental and Numerical Assessment of Flexural Shear Behavior of RC Beams Enhanced using Hybrid CFRP–GFRP U-Wrap System
Abstract: This study examines the Reinforced Concrete beams strengthened in Flexural-shear using a hybrid Fibre Reinforced Polymer (FRP) system that combines carbon fibre reinforced polymer (CFRP) and glass fibre reinforced polymer (GFRP) in a U-wrap configuration. Six beams totally were made and the results were tested under 4 point bending moment using LVDT, in which three beams were of control beams without strengthening and another three externally wrapped using hybrid CFRP-GFRP …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 328–338 Read article
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Characterization of Bamboo-Fiber Reinforced Geopolymer Composites
Abstract: In this project, we plan to produce and assess a new, eco-friendly composite made from geopolymer (from a combination of fly ash and GGBFS), strengthened with chemically treated bamboo fibres for retrofitting earthquake-resistant buildings. Geopolymer is produced by activating a mixture of fly ash and GGBFS with sodium silicate and sodium hydroxide solutions. We have produced and analyzed bamboo fibre-reinforced geopolymer composites as potential materials for seismic retrofitting of structures …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1007–1025 Read article
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Optimizing Power Generation from Building Ventilation Systems: A Study on Exhaust Fan Efficiency
Abstract: Due to population growth, the world's energy consumption has increased dramatically in both wealthy and developing nations in recent years, and by 2042, it is predicted to have doubled or more. Since a few years ago, the use of innovative sustainable power sources to meet energy demands has been gradually increasing. We've chipped away at a different idea because of this. As an alternative energy source, renewable energy (RE) resources …
Published in International Journal of Electrical Power and Machine Systems · Vol. 1, Issue 2, 2023 · pp. 22–27 Read article
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To Propose an Effective Process for Refurbishment Projects: through BIM
Abstract: Building refurbishments include enhancing, upgrading, renovating, retrofitting, and repairing existing structures. The construction sector considers it to be an important component. Building refurbishment projects are known for their high degree of complexity and uncertainty, which frequently incorporates elements like design changes and inadequate or unavailable information that may lead to various issues. Issues related to different stages of refurbishment projects were identified through literature and case studies. According to the …
Published in International Journal of Architectural Design and Planning Read article
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A Study on Determination of Seismic Susceptibility in Existing Buildings in Ward No-18 of Dhaka North Using Rapid Visual Screening (RVS) Method
Abstract: The research work presents a comprehensive analysis of the Rapid Visual Screening (RVS) method applied to 200 buildings in Ward No. 18 of Dhaka North City. The study focused on assessing the seismic vulnerability of these structures, categorizing them into damage grades based on the RVS evaluation. Strikingly, the findings revealed that 191 out of the 200 buildings were classified as damage grade 5, signifying severe structural deficiencies. In contrast, …
Published in International Journal of Climate Conditions · Vol. 1, Issue 1, 2024 · pp. 28–37 Read article
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Innovative Approaches in Design and Materials for Climate-adaptive Transport Infrastructure
Abstract: This comprehensive research delves into pioneering approaches in design methodologies and the utilization of advanced materials aimed at significantly enhancing the resilience of transportation infrastructure against the multifaceted and escalating impacts of climate change. As critical challenges such as sea-level rise, increased frequency and intensity of extreme weather events, and changing precipitation patterns become more prevalent, there is an urgent need for innovative materials and integrated design strategies that can …
Published in Trends in Transport Engineering and Applications · Vol. 11, Issue 2, 2024 · pp. 14–19 Read article
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A Critical Review on Carbon Fiber Reinforcement in Various Applications
Abstract: Carbon fiber, celebrated for its outstanding mechanical properties and impressive strength-to-weight ratio, has become a critical material in various industries. This review journal, An In-Depth Study of Carbon Fiber Reinforcement in Diverse Applications, delves into the recent advancements and innovations in carbon fiber technology. The exploration includes its integration into aerospace, automotive, civil engineering, sports equipment, and renewable energy sectors. The aerospace industry leverages carbon fiber for constructing lightweight, fuel-efficient …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 490–502 Read article
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Health and Air Quality in High-Density Neighbourhoods of Delhi
Abstract: Delhi, one of the fastest-growing megacities in the world, continues to grapple with critical challenges of urban air pollution and its direct consequences on public health. High-density neighborhoods like Karol Bagh, Lajpat Nagar, Chandni Chowk, and East Delhi face disproportionately higher exposure to degraded air quality due to compact urban forms, overcrowding, mixed land use, and heavy traffic. This paper explores the interrelationship between air quality and health outcomes, emphasizing …
Published in International Journal of Environmental Planning and Development Architecture · Vol. 3, Issue 2, 2025 · pp. 26–32 Read article
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Interfacial Bonding and Performance of Polymer-Based CFRP Composites in Externally Applied Configurations
Abstract: Polymer-based carbon fiber reinforced polymer (CFRP) composites are widely used for externally bonded strengthening and retrofitting applications due to their high strength-to-weight ratio and adaptability to existing structures. In such systems, overall performance is governed not only by the fiber–matrix interaction within the laminate, but more critically by the polymer adhesive layer and its interaction with the substrate. Polymer chemistry, interfacial bonding mechanisms, processing conditions, and environmental exposure collectively influence …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 952–966 Read article