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Room temperature curing UFC material that can be poured on site

Slim-Crete™

Summary

Slim-Crete is a mortar material that cures at room temperature and can achieve a compressive strength of 180 N/mm² (26,107 psi) and tensile strength of 8.8 N/mm² (1,276 psi) or higher. Slim-Crete mainly consists of a special cementitious powder and ultra-high strength steel fibers.

This material was named "Slim-Crete" for its ability to make the cross-sections of the members "slim".

The benefits of this construction system include reduced cross sections, improved durability, and construction labor efficiency.

Ultra-high strength mortar
Ultra-high strength steel fibers

Features

Cross Sections can be Reduced due to High Strength

  • Slim-Crete can be used as a solution for challenging site conditions such as limited girder height.
  • The lighter weight allows the foundation costs to be reduced.
  • Transport and lifting equipment can be simplified and construction can be streamlined.

Elimination of Rebar due to High Strength

  • In addition to its high tensile strength, Slim-Crete offers high tensile toughness.
  • The elimination of rebar increases construction speed.

High Fluidity Allows for Design Flexibility

  • Slump flow is about 600 mm and the material is flowable without vibration (self-filling)
  • Thin cross sections of approximately 30 mm are possible.

Durability of 100+ years

  • Slim-Crete is durable against neutralization (carbonation), salt damage, freeze-thaw cycles, and chemical erosion due to its dense structure.
  • Crack width is reduced due to ultra-high strength steel fibers.
  • Slim-Crete is highly resistant to abrasion.

Slim-Crete can be cast-in-place or precast

  • Slim-Crete can be cast-in-place or precast on site, which is not possible with conventional UFC materials. The material gives engineers the choice between cast-in-place, site precast, or factory production, depending on specific requirements.

Projects

  • Coastal structures (On-site placement, high durability, high strength, high flowability)
Revetment Replacement
  • Building materials (high strength, design versatility)

  • Decks

  • Shell

  • Water flow wear prevention

  • Dam Spillways

  • Coastal structures (On-site placement, high durability, high strength, high flowability)

  • River Bridges

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