MUMBAI, India, Feb. 13 -- Intellectual Property India has published a patent application (202541124012 A) filed by D. Sri Ruban, Coimbatore, Tamil Nadu, on Dec. 9, 2025, for 'experimental analysis of hybrid fiber reinforced concrete with polypropylene and basalt fibers.'

Inventor(s) include Sk. Shabir; D. Yuvaraj; R. Pradeep; and N. Varun Prakash.

The application for the patent was published on Feb. 13, under issue no. 07/2026.

According to the abstract released by the Intellectual Property India: "This study investigates into the mechanical and durability performance of Hybrid Fiber- Reinforced Concrete (HFRC) incorporating a combination of polypropylene and basalt fibers. The primary objective is to enhance the structural integrity and service life of conventional concrete by leveraging the synergistic effects of synthetic and mineral fibers. Polypropylene fibers are known for their ability to control plastic shrinkagecracking and improve ductility, while basalt fibers offer superior tensile strength, thermal resistance, and corrosion durability. CM O CM in CM o cs co CM oo CM 55 CM o CMIo CD QI o o By combining these fibers in varying proportions, concrete mixes were designed and tested to evaluate improvements in compressive strength, split tensile strength, flexural strength, and durability characteristics such as water absorption and crack resistance. The experimental results indicate that hybrid fiber reinforcement significantly enhances the toughness, crack-bridging ability, and energy absorption capacity of concrete without compromising its workability. The dual fiber system demonstrated a noticeable improvement in overall mechanical performance compared to mixes with single fiber types or plain concrete. This study confirms the effectiveness of hybrid fibers in producing high-performance concrete, offering a sustainable and durable solution for modern construction needs, especially in structures requiring enhanced resilience and longevity."

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