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Dr. P Pravin Kumar Venkat Rao

Dr. P Pravin Kumar Venkat Rao, gave a guest lecture on Strengthening of Masonry Walls using Advanced Composite Materials for Earthquake Loads to the Finishing School Programme of Civil Engineering students, graduates of Mewar International University, Nigeria, organised by the National Academy of Construction (NAC), Hyderabad on 6 September. 

Here is the summary of Dr. Pravin’s talk: Masonry buildings are particularly vulnerable to earthquake-induced damage due to their brittle nature and low energy dissipation capacity. Retrofitting these structures is essential for improving their seismic resilience, and advanced composite materials have proven to be highly effective solutions. This talk explores the use of Fiber Reinforced Polymers (FRP), Textile Reinforced Mortar (TRM), and Engineered Cementitious Composites (ECC) for seismic retrofitting of masonry buildings. FRP’s offer high tensile strength and corrosion resistance, while TRM provides better compatibility with masonry, making it ideal for historical structures. Whereas, the ECC enhances ductility and energy absorption, significantly improving a building’s ability to withstand seismic loads. These materials are lightweight, non-invasive, and can be applied in thin layers, preserving the building’s original aesthetics. Despite their higher initial cost and need for skilled application, advanced composites offer significant long-term durability and seismic performance benefits. The talk discussed these materials’ advantages, challenges, and practical applications, demonstrating how they can enhance the structural integrity of masonry buildings in earthquake-prone regions.

 

September 2024