Development of Retrofitting Technique for Seismically Vulnerable Open Ground Storey Reinforced Concrete Buildings

Madheswaran, C. K.; Rao, G. Venkateswara

doi:10.1007/s40799-021-00456-2

Cited by 4 publications

(4 citation statements)

References 41 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…FRP Wrapping, introduced by Chaallal et al in 2001, utilizes Fiber-Reinforced Polymer (FRP) wraps around structural elements like columns and beams to improve their strength and ductility [23]. FRP wrapping is a versatile retrofitting technique suitable for reinforcing vulnerable concrete or masonry elements in historical buildings without compromising their architectural integrity [24].…”

Section: Retrofitting Techniquesmentioning

confidence: 99%

“…The primary objective of FRP wrapping is to improve the strength, ductility, and confinement of structural elements, thereby enhancing their ability to resist lateral forces and deformations during seismic events [24]. FRP materials, such as carbon or glass fibers, offer excellent tensile strength and durability, making them ideal for reinforcing vulnerable building components without adding significant weight or mass [19].…”

Section: Frp Wrappingmentioning

confidence: 99%

“…Viscous dampers consist of hydraulic cylinders filled with viscous fluid that provide resistance against motion, effectively dissipating seismic energy and reducing structural vibrations [22]. Tuned mass dampers utilize a secondary mass attached to a spring-damper system, tuned to the building's natural frequency to counteract excessive motions induced by earthquakes [24]. Friction dampers rely on the frictional resistance between sliding surfaces to dissipate energy and control structural displacements.…”

Section: Damping Devicesmentioning

confidence: 99%

See 2 more Smart Citations

A Comparative Analysis of Retrofitting Techniques for Seismically Vulnerable Historical Building

Rivera

2024

Preprint

View full text Add to dashboard Cite

This study presents a comprehensive comparative analysis of retrofitting techniques aimed at enhancing the seismic resilience of seismically vulnerable historical buildings. Recognizing the dual objectives of structural safety and architectural preservation, this research evaluates and compares several advanced retrofitting methods, including base isolation, strengthening of masonry, steel bracing systems, Fiber-Reinforced Polymer (FRP) wrapping, and damping devices. Each technique is critically assessed based on its effectiveness in mitigating seismic risks, its compatibility with historical architectural features, and its applicability to various building types. Base isolation is highlighted for its ability to decouple buildings from ground motion, thereby significantly reducing seismic forces and protecting architectural integrity. Strengthening of masonry through the use of fiber-reinforced polymers and steel elements enhances the ductility and strength of masonry walls, making them more resilient to seismic forces. Steel bracing systems are shown to provide essential lateral support, particularly in timber-framed structures, improving overall stability and reducing deformation during earthquakes. FRP wrapping is identified as a versatile technique that strengthens structural elements without compromising aesthetic value, making it suitable for reinforcing concrete and masonry components. Damping devices, including viscous dampers and tuned mass dampers, are discussed for their ability to dissipate seismic energy and control structural vibrations, offering a minimally invasive solution that preserves historical aesthetics. The study also addresses several challenges and research gaps associated with these retrofitting techniques, such as ensuring architectural compatibility, assessing long-term material performance, optimizing cost-effectiveness, and navigating complex regulatory frameworks. By advancing knowledge in these areas, the research aims to foster interdisciplinary collaboration and innovation in the development of retrofitting solutions. Ultimately, this study contributes to the ongoing efforts to safeguard historical buildings against seismic hazards. By leveraging cutting-edge technologies and best practices in structural engineering and architectural conservation, stakeholders can develop sustainable, cost-effective, and culturally sensitive retrofitting strategies that protect valuable cultural heritage for future generations.

show abstract

Section: Retrofitting Techniquesmentioning

confidence: 99%

Section: Frp Wrappingmentioning

confidence: 99%

Section: Damping Devicesmentioning

confidence: 99%

See 1 more Smart Citation

A Comparative Analysis of Retrofitting Techniques for Seismically Vulnerable Historical Building

Rivera

2024

Preprint

View full text Add to dashboard Cite

show abstract

“…The vulnerability of signal support structures in critical weather conditions such as windstorms, due to the lack of redundancy and the probability of resonance, is another concern because their serviceability and functionality under moderate to extreme winds are extremely important for directing traffic, especially for rescue and evacuation during hurricanes. Retrofitting techniques offer an attractive means for protecting structures against vibrations [3]. For these reasons, vibration attenuation in cantilevered mast arm structures is crucial to balance resilience with serviceability and sustainability constraints.…”

Section: Introductionmentioning

confidence: 99%

A Framework for Vibration Attenuation in Traffic Mast Arm Structures under Wind Loads

2021

View full text Add to dashboard Cite

Traffic signals and information signs play a vivid role in maintaining safe travel by guiding drivers on highways and urban roads. Traffic mast arm structures are susceptible to vibrations induced by wind loads. Fatigue-induced failure is common in these structures. However, it is crucial to ascertain the functionality of signal support structures. This paper lays the foundation for a fully computational framework to model and mitigate wind-induced vibrations in traffic lighting support structures by conducting computational fluid dynamics (CFD) simulations, dynamic modeling, and damping enhancement. We validated the CFD simulations by aerodynamic testing. The dependence of flow pattern and aerodynamic loads on Reynolds number reveals the importance of full-scale CFD with large eddy simulation for wind load estimation on mast arm structures. Distributed tuned mass dampers were created by employing available weights of lighting boxes. The results show that distributed tuned lighting boxes are effective for vibration suppression. Besides, damping enhancement can significantly reduce vibration-induced stresses and hence extend the fatigue life. The proposed mitigation technique promises to save construction costs and improve the safety of the traveling public. The procedure followed for creating time histories of wind loads integrated with finite element modeling applies to other vibration lessening techniques for potential inclusion in the AASHTO standard.

show abstract

State-of-the-Art Review on Performance-Based Retrofitting of Structures

Prakashvel

Umarani

Sathiskumar

2023

Lecture Notes in Civil Engineering

View full text Add to dashboard Cite

Development of Retrofitting Technique for Seismically Vulnerable Open Ground Storey Reinforced Concrete Buildings

Cited by 4 publications

References 41 publications

A Comparative Analysis of Retrofitting Techniques for Seismically Vulnerable Historical Building

A Comparative Analysis of Retrofitting Techniques for Seismically Vulnerable Historical Building

A Framework for Vibration Attenuation in Traffic Mast Arm Structures under Wind Loads

State-of-the-Art Review on Performance-Based Retrofitting of Structures

Contact Info

Product

Resources

About