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#Innovation #Materials Science
TechCrunch
TechCrunch
2w ago 20 views

Exclusive: One startup’s paper-thin stainless steel could change how bridges are built

Allium Engineering proposes a cost-effective stainless steel-clad rebar to combat rust in bridges, potentially extending their lifespan significantly.
Exclusive: One startup’s paper-thin stainless steel could change how bridges are built
A What happened
Allium Engineering has introduced a novel solution to combat rust in concrete structures, particularly bridges, which are highly susceptible to corrosion due to exposure to water and salt. The startup's stainless steel-clad rebar offers a cost-effective alternative to traditional stainless steel rebar, which is often too expensive for widespread use. By applying a thin layer of stainless steel over regular rebar, Allium aims to extend the lifespan of bridges from 30 to 100 years. This innovation not only promises to reduce maintenance costs but also allows for the use of greener cements, as the rebar's corrosion resistance minimizes the need for additional concrete. Allium's rebar has already been utilized in several bridge projects, demonstrating its practical application and potential to transform infrastructure construction.

Key insights

  • 1

    Cost-Effective Solution

    Allium's rebar aims to match or undercut the price of epoxy-coated alternatives.

  • 2

    Sustainability Benefits

    The innovation allows for greener cement use, reducing environmental impact.

  • 3

    Extended Lifespan

    Bridges using this rebar could last significantly longer, reducing repair costs.

Takeaways

Allium Engineering's innovation represents a promising advancement in bridge construction and maintenance.