Key Technologies and Application Analysis for Achieving High Openwork Rates in UHPC Shaping

Empowering architectural aesthetics with technology, building a new dimension of spatial art with UHPC high-hollowout technology.

In the field of contemporary architectural design, how to achieve the ultimate hollowout artistic effect while ensuring structural safety has always been a subject jointly explored by designers and material suppliers. As an industry leader with 28 years of deep expertise in UHPC/GRC/GRG/GRP materials, Qinglong Group, leveraging its full-chain technical advantages, has accumulated rich practical experience in realizing high hollowout rate designs. This article will analyze in depth the core technical paths for achieving high hollowout rates in UHPC shapes from three dimensions: material properties, process innovation, and engineering practice.

I. Analysis of the Compatibility Between UHPC Material Properties and High-Hollowout Designs

Ultra-high performance concrete (UHPC), with its 200MPa-class compressive strength and excellent toughness, provides a physical foundation for high-hollowout structures. Compared with traditional GRC materials, UHPC maintains structural stability even at a thickness of only 1/3 that of traditional components, thanks to the synergistic effect of steel fibers and ultra-fine silica fume. Verified through more than 3,000 tests by Qinglong Group's R&D center, when the hollowout rate of UHPC components reaches 60%, their flexural strength can still be maintained above 18MPa, far exceeding industry standard requirements. This "lightweight, high-strength" characteristic enabled the flawless realization of the double-layer hollowout skin design of a cultural center in Guangzhou.

II. Process Breakthroughs in Parametric Design and Intelligent Manufacturing

The key to achieving complex hollowout designs lies in combining digital technology with precision manufacturing. Qinglong Group adopts the Rhino+Grasshopper parametric design platform to translate architectural aesthetic requirements into quantifiable structural parameters. At its Guangxi production base, five-axis machining centers and 3D-printed mold technology have compressed the production cycle of special-shaped components, which traditionally took 45 days, down to 15 days. In an exhibition center project, 287 hollowout UHPC unit panels generated by topology optimization algorithms achieved millimeter-level installation precision, and the dynamic visual effects formed by their hollowout textures and light refraction have become a model of building skin design.

III. Structural Optimization and Installation Innovation in Engineering Practice

The construction and installation of high-hollowout UHPC components must address the dual challenges of deadweight control and joint safety. The innovative "concealed metal frame + UHPC thin shell" composite system developed by the Qinglong team successfully realized an 8-meter cantilevered hollowout decorative cornice in a commercial complex project in Shenzhen. Through construction rehearsal with BIM technology, traditional wet operations were upgraded to modular hoisting, boosting installation efficiency by 300%. Notably, the UHPC hollowout components used in this project are only 50mm thick, yet they withstood the test of force-12 winds during typhoon season, confirming the reliability of the technical solution.

IV. Industry Application Prospects and Qinglong's Technical Advantages

From the translucent concrete landscape installation at Century Plaza on Nanjing East Road to the hollowout UHPC curtain wall of a hotel in Malaysia, Qinglong Group has completed engineering applications of more than 600,000 square meters of specialty decorative materials. As a national high-tech enterprise, Qinglong participated in formulating the industry standard "General Technical Conditions for Non-Load-Bearing Components of Ultra-High Performance Concrete (UHPC)," which provides technical specifications for high-hollowout design. In the future, as 3D printing and intelligent construction technologies converge, the application of hollowout art with UHPC materials in cultural venues, commercial landmarks, and other fields will achieve even greater breakthroughs.

Staying true to the mission of "creating aesthetically beautiful architecture," Qinglong Group continues to drive technological innovation in the architectural decoration industry through deep synergy of material R&D, digital design, and engineering practice. In the field of UHPC high-hollowout designs, we not only provide products but also deliver full-chain solutions from concept design to lifetime maintenance, helping designers turn creative ideas into buildable architectural art.