Emerging Technologies in Civil Infrastructure-Want Low Cost, Sustainable, Longer Lasting Concrete Bridge Decks and Repairs Then Try Internal Curing (Recorded presentation)

Want Low Cost, Sustainable, Longer Lasting Concrete Bridge Decks and Repairs Then Try Internal Curing (Recorded presentation)

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Video Transcription

Video Summary

The presentation discusses the concept of internally cured concrete and its significance in addressing issues such as early-age cracking and durability in concrete structures. The speaker credits Tim Barrett for the foundational work and highlights the motivation stemming from a report identifying a common cracking problem faced by Department of Transportations (DOTs). The core issue arises from shrinkage and temperature-induced cracks which end up reducing the longevity and increasing the maintenance cost of concrete structures. To mitigate these issues, methods like internal curing, which involves using pre-wetted aggregates to maintain moisture within the concrete, are proposed. This approach helps preserve the structural integrity by reducing the likelihood of cracking without changing the construction process significantly. The presentation emphasizes the ease of implementing this technology, alongside the potential economic and environmental benefits, urging its broader adoption in the construction industry for enhanced sustainability and performance.

Keywords

internally cured concrete

early-age cracking

shrinkage

pre-wetted aggregates

sustainability

construction industry