Application of 120 MPa UHPC for Bridge Deck Overlay

Ultra High Performance Concrete (UHPC) is a new generation high-end engineering composite material. It is formulated with ultra-low water-binder ratio, high-quality aggregates and high-strength

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    Product Description

    Ultra High Performance Concrete (UHPC) is a new generation high-end engineering composite material. It is formulated with ultra-low water-binder ratio, high-quality aggregates and high-strength fibers

    Product Parameters

    Compressive Strength ≥ 120Mpa

    Flexural Strength ≥ 12Mpa

    Elastic Modulus ≥ 40GPa

    Chloride Ion Diffusion Coefficient ≤ 0.4 × 10⁻¹²m²/s

    Application

    Bridge deck slab

    Bridge deck overlay

    Bridge joints

    Expansion joints

    Main girders & bridge beams

    Bridge pier reinforcement

    Bridge abutment

    Bridge anti-collision components

    Bridge walkway

    Precast bridge segments

    Cast-in-place wet joints

    Pedestrian bridge full components

    What Makes UHPC So Strong?

    Ultra-High Performance Concrete (UHPC) achieves its exceptional strength and durability through multi-scale material optimization. It eliminates coarse aggregates and uses a densified particle packing system (including cement, silica fume, and fine quartz powder) to create an extremely dense, low-porosity matrix. This is combined with a very low water-to-binder ratio (enabled by high-range water reducers) and the incorporation of steel fibers. The fibers bridge micro-cracks, providing ductility and toughness. The result is a composite material with superior mechanical properties, extremely low permeability, and outstanding long-term durability.

     

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