MUMBAI, India, Feb. 27 -- Intellectual Property India has published a patent application (202641019059 A) filed by Sri Krishna College Of Engineering And Technology, Coimbatore, Tamil Nadu, on Feb. 19, for 'hybrid basalt-coir fiber reinforced concrete for enhanced mechanical and durability performance.'

Inventor(s) include Sakthivel R; Chakkaravarthi Sanjay S; Megul S; Naveena S; and Ramya S.

The application for the patent was published on Feb. 27, under issue no. 09/2026.

According to the abstract released by the Intellectual Property India: "The present invention relates to a hybrid fiber reinforced concrete and a method for manufacturing the same, incorporating basalt fibers and natural coir fibers to improve mechanical performance, crack resistance, and durability. As illustrated in, the method includes raw material selection (101), proportioning and mixing (102), graded fiber distribution (103), casting and compaction (104), curing (105), and testing (106). The invention is characterized by a novel graded fiber distribution wherein basalt fibers are positioned in tension-critical zones to restrain macro-cracks, while coir fibers are uniformly dispersed to control micro-cracks and enhance ductility. This synergistic hybrid reinforcement provides multi-scale crack control, improved post-cracking behavior, and enhanced tensile and flexural strength. The invention further improves sustainability by utilizing natural fibers and optimizing fiber content without compromising performance. The hybrid concrete is suitable for structural and non-structural construction applications requiring high strength, durability, and extended service life."

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