Brief
Discover the groundbreaking BioFiber concrete by Drexel University, offering self-repairing capabilities and enhanced sustainability for the building industry. A future of resilient infrastructure awaits.
Insight
Researchers at Drexel University have pioneered an innovative self-healing concrete technology, named “BioFiber,” that promises a leap forward in building industry sustainability. This novel concrete mimics human tissue’s self-healing properties by employing bacteria to generate living, damage-responsive concrete.
The core of BioFiber comprises a fiber surrounded by a hydrogel sheath containing dormant bacterial spores, all protected by a thin polymeric shell. This unique composition allows the concrete to repair itself, controlling crack growth and responding effectively to damage.
The technology works by activating the bacteria within the hydrogel to produce calcium carbonate when water infiltrates through cracks, sealing them rapidly, often within a day or two.
This rapid self-repair process not only extends the lifespan of concrete structures but also enhances their ability to withstand diverse weather conditions. The development of BioFiber concrete marks a significant step in the quest for sustainable building materials, potentially reducing maintenance needs and lowering carbon dioxide emissions associated with concrete production.
The study, published in the journal Construction and Building Materials, underscores the balance between durability and ecological responsibility. The BioFiber, integrating autonomous bio-self-healing, crack growth control, and damage responsiveness, represents a major advancement in creating resilient and sustainable infrastructure for the future.
Highlight
- This novel concrete mimics human tissue’s self-healing properties by employing bacteria to generate living, damage-responsive concrete.
- The technology works by activating the bacteria within the hydrogel to produce calcium carbonate when water infiltrates through cracks, sealing them rapidly, often within a day or two.
- The BioFiber, integrating autonomous bio-self-healing, crack growth control, and damage responsiveness, represents a major advancement in creating resilient and sustainable infrastructure for the future.
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