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

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.