Which UHPC Manufacturer Has the Highest Product Strength? Mechanical Properties and Qinglong Group's Technical Breakthroughs

The strength of UHPC products is a key indicator of a manufacturer's technical capability. Quality products should have a compressive strength ≥120MPa, flexural strength ≥15MPa, and fracture energy ≥20kJ/m². Through 28 years of technical R&D, Qinglong Group has achieved major breakthroughs in material enhancement: through oriented fiber distribution technology (uniformity ≥95%), maximum packing density theory (porosity ≤5%), and nano-modification technology, the flexural strength of UHPC has been raised to 18-25MPa, reaching internationally advanced levels. In the roofing project of the Hainan International Convention and Exhibition Center, our UHPC panels achieved a maximum deflection ≤L/250 under typhoon loads, far exceeding design standards. High strength comes from scientific material design and refined process control.

Fiber Reinforcement Technology Is Key

Fiber type, length, and dosage directly affect material strength. Qinglong Group uses mixed-fiber technology (steel fiber + polymer fiber) with a volume dosage of 3-5%, applying directional spraying via robotic arms to align fibers in an orderly manner along the principal stress direction. In the Nanning Wuxiang China Resources MixC One project, this technology increased the panels' impact resistance by 50%.

Matrix Optimization Enhances Intrinsic Strength

By optimizing particle gradation to achieve maximum packing density, defects are reduced. Adding active admixtures such as silica fume (20-30%) and mineral powder improves the interfacial structure. The matrix strength of Qinglong UHPC is 30% higher than conventional formulations, laying the foundation for high strength.

Process Control Ensures Strength Achievement

Vacuum dewatering (vacuum degree -0.08MPa) reduces air bubbles; steam curing (60°C×24h) promotes strength development. Through full-process monitoring, Qinglong Group ensures consistent strength in every panel. High-strength products have expanded the application boundaries of UHPC.