Dramix® News from Bekaert India
DRAMIX® - REINFORCING YOUR WORLD
Concrete is arguably the most widely used man‐made material in the world. It has high compressive strength, yet it is, remarkably brittle and weak in tension on its own. Plain concrete is therefore reinforced with materials that are strong in tension to improve its tensile properties and cater to a host of various specific applications. Steel fibers provide one such alternative based on the type of application; and they prove their usefulness by either augmenting the conventional re‐bar based designs or by completely replacing them altogether.
Issue 1 Steel fibers when incorporated in concrete, improve its crack resistance, ductility, energy absorption, impact and fatigue resistance. Unlike traditional steel reinforcement, steel fibers are discontinuous and 3‐dimensionally orientated with a load bearing capacity in all the 3 dimensions. The effect of increased ductility in concrete due to addition of fibers is known as “toughness” which guarantees a “post crack strength” even at large deformations. As the (SFRC) Steel Fiber Reinforced Concrete) cracks, fibers transfer the tension across the crack (Fig 1 and Fig 2) and bridge it unlike in plain concrete, which tends to lose its load carrying capacity immediately once cracks start developing. Due to this property, SFRC is one of the best choices available for applications like Shotcrete, Slab on Grade and Precast walls Etc. (Fig 3, 4 and 5). Added to that it is one of the most practical, assured and quick ways of reinforcing concrete compared to conventional solutions
Dramix® story in India
Fig 3‐ Mumbai Pune Expressway
Fig 4‐ Milestone Warehouse ‐ Delhi
The story of Dramix in India dates back to the 80's, when Bekaert (World’s largest Steel wire Manufacturer) in association with a local Indian partner launched Dramix into the Indian market. Through this partnership, Bekaert made a strong foundation and attained a leadership position in the shotcrete market. In 2007, Bekaert started its own operations for building Products, to strengthen the shotcrete market and make focused efforts on flooring and precast segment. Beginning with residential roads in Pune in 2007, Dramix reinforcement has become an established solution with prestigious projects like, Boundary walls for Navi Mumbai SEZ Pvt. Ltd, Milestone warehousing and Toyota Container Terminal etc – all within a span of 3 years.
Illustrated here are some of the esteemed projects reinforced with Dramix® in last few years.
Fig 5‐ Navi Mumbai SEZ (NMSEZ) ‐ Mumbai
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