What Is the Shrinkage Rate and Deformation Control Capability of UHPC Products?

In the field of modern architecture, material performance not only affects the safety and durability of buildings, but also directly influences the realization of design concepts. As a dedicated player in the field of ultra-high performance concrete (UHPC), Qinglong Group, with 28 years of full-chain experience, deeply understands the core needs of designers and owners for material stability. This article comprehensively analyzes the shrinkage characteristics and deformation control capabilities of UHPC products—from technical principles and control processes to engineering verification—providing a professional reference for high-end construction projects.

As a representative of new architectural decorative materials, UHPC's shrinkage control is a key indicator of material performance. Compared with traditional concrete, UHPC fundamentally improves the material's microstructure through optimized particle gradation, ultra-fine active admixtures, and a steel fiber reinforcement system. Experimental data from Qinglong Group's R&D center shows that the drying shrinkage rate of high-quality UHPC can be controlled within 0.03%, far below the 0.15%-0.25% of ordinary concrete—a performance attributable to the material's dense internal skeleton structure and low water-binder ratio design. For more industry information: +WeChat qlfsbl123

Achieving low shrinkage and high stability in UHPC depends on refined control processes across the entire workflow. In the detailed design phase, Qinglong's technical team uses BIM technology for parametric modeling to simulate in advance the deformation trends under different ambient temperature and humidity conditions; during manufacturing, steam curing combined with resting at constant temperature and humidity ensures thorough and uniform hydration reactions; and during construction and installation, elastic connection joint design and 3D laser positioning technology reserve reasonable deformation space for components. This integrated "design-production-construction" control system has enabled Qinglong UHPC products to achieve millimeter-level installation precision in projects such as the Century Plaza renovation on Nanjing East Road.

For high-end projects such as landmark buildings and commercial complexes, UHPC's deformation control capability directly determines the integrity and artistic quality of the building envelope. In the Dongguan Women and Children's Activity Center project, Qinglong UHPC exterior wall panels have remained in perfect condition—free of cracks and bulges—after three years of use, despite the hot and humid climate of South China. This achievement stems not only from the material's inherent low shrinkage characteristics, but also from Qinglong's full lifecycle service, from detailed design to after-sales maintenance, including regular deformation monitoring and targeted maintenance plans.

Compared with similar decorative materials such as GRC and GRG, UHPC demonstrates unique advantages in long-term deformation control. Its steel fiber network structure effectively suppresses the initiation and propagation of cracks, while the ultra-high pressure molding process further enhances the material's density and volume stability. The industry standard "General Technical Conditions for Non-Load-Bearing Components of Ultra-High Performance Concrete (UHPC)", which Qinglong Group helped develop, incorporates shrinkage and deformation control indicators into its core assessment system, driving the industry toward higher quality standards. For clients pursuing exceptional design effects and long-term durability, UHPC is undoubtedly an ideal choice that combines aesthetic value with technical assurance. For more industry information: +WeChat qlfsbl123

As a national high-tech enterprise and participant in industry standard development, Qinglong Group has always upheld the mission of "creating beautiful architecture", closely integrating material performance innovation with engineering practice. Whether for artistic components with complex curved surfaces or extra-long, large-span decorative panels, Qinglong UHPC products ensure the lasting vitality of architectural works through scientific shrinkage control and deformation management. In the future of architectural decoration, UHPC, with its outstanding performance advantages, is bound to become the preferred material for more designers to realize their creativity, while Qinglong will continue to empower industry development with its professional expertise.