Application and Practical Exploration of Digital Technology in GRC Curtain Wall Installation

Driven by the dual forces of contemporary architectural aesthetics and engineering technology, GRC (glass fiber reinforced concrete) curtain walls are becoming the "skin art" of landmark buildings with their unique form-expressive power and material advantages. However, the precision deviations, efficiency bottlenecks, and safety hazards inherent in traditional installation methods have always been key challenges for the industry's advancement. The deep empowerment of digital technology is redefining the construction logic of GRC curtain walls—a full-process digital transformation from design to construction not only solves the challenge of realizing complex forms, but also establishes a new construction paradigm of "millimeter-level precision, industrialized efficiency, and full-cycle controllability". As an industry leader with 28 years of deep expertise in UHPC/GRC/GRG/GRP materials, Qinglong Group, leveraging its technical accumulation as a national-level high-tech enterprise, is injecting new momentum into GRC curtain wall installation through digital practice.

Digital Design: Precise Transformation from Creative Concepts to Parametric Models

The artistic value of GRC curtain walls is often reflected in their complex curved surfaces and texture details, while traditional 2D drawings can hardly convey design intent completely, easily leading to deviations between "design ideals" and "construction reality". The application of digital design tools first achieves a seamless connection from creative concepts to models. Qinglong Group widely adopts the Rhino+Grasshopper parametric design platform in its projects, converting architects' abstract concepts into quantifiable, adjustable digital models, and achieving rapid iteration and optimization of forms through parameter-driven approaches. Take the hyperbolic GRC curtain wall of a grand theater as an example: by building a parametric model incorporating material mechanical properties and installation spatial relationships, designers can simulate structural deformation in real time under different wind pressures and temperatures, avoiding construction risks in advance.

In addition, the in-depth application of BIM (Building Information Modeling) technology has built a collaborative platform among GRC curtain walls, the main building structure, and mechanical & electrical systems. Qinglong Group integrates data such as production information, installation precision requirements, and material properties of GRC components into the BIM model, achieving information sharing across design, production, and construction. In a commercial complex project in Guangzhou, BIM clash detection identified 12 spatial conflicts between the GRC curtain wall and steel structure supports in advance, avoiding cost waste caused by on-site rework and shortening the design deepening cycle by 30%.

Digital Manufacturing: Intelligent Manufacturing Empowers Component Precision Upgrade

The installation quality of GRC curtain walls begins with millimeter-level precision control in component production. Under the traditional manual casting mode, factors such as mold errors and material proportion fluctuations often cause dimensional deviations in components, affecting on-site assembly results. Relying on the intelligent production lines at its Nanning, Guangxi production base, Qinglong Group applies digital technology throughout the entire process of mold design, material mixing, and forming & curing. CNC machine tools are used to machine custom molds, ensuring mold surface precision error ≤0.5mm; automated mixing systems precisely control the proportions of cement, glass fiber, and admixtures, achieving stable and uniform material performance; 3D scanning technology performs full-size inspection of formed components, generating digital quality inspection reports, with substandard products intercepted directly.

Notably, under the digital manufacturing mode, "modularization" and "standardization" of GRC components become possible. Qinglong Group, through parameter induction of typical components, has established a standardized component library, making local parameter adjustments according to project needs—satisfying personalized design requirements while improving production efficiency. Take standardized GRC decorative lines as an example: the production cycle is 40% shorter than fully customized production, while mold costs are reduced by 25%.

Digital Construction: A Paradigm Revolution from "Experience-Based Installation" to "Data-Driven"

On-site installation is the "last mile" of GRC curtain wall projects and a critical link in precision control. Traditional installation relies on manual layout and experience-based judgment, is easily affected by environmental factors, and makes precision difficult to guarantee. Qinglong Group has introduced digital construction technology combining 3D laser scanning with BIM, achieving "visualization" and "traceability" of the installation process. Before construction, actual dimensional data of the main building structure is captured through 3D laser scanning and compared with the BIM model to generate deviation analysis reports, based on which the installation positioning of GRC components is adjusted; during construction, total stations provide real-time positioning, dynamically verifying component installation coordinates against BIM model data to ensure the 3D deviation of each GRC panel is ≤3mm.

To address the safety challenges of high-altitude installation of large GRC curtain walls, Qinglong Group developed an IoT-based "intelligent hoisting monitoring system". By installing sensors on hoisting equipment, it collects real-time data on lifting weight, angle, and wind speed, and combined with the spatial constraints in the BIM model, achieves hazard warning and automatic intervention. During the GRC curtain wall installation of a super high-rise project, the system successfully prevented 3 potential hoisting risks caused by sudden wind speed changes, ensuring construction safety.

Digital Operation & Maintenance: Extending Smart Management Across the Full Life Cycle

The digital empowerment of GRC curtain walls is not limited to the construction stage but extends to later operation and maintenance. Qinglong Group innovatively embeds RFID chips into GRC components, recording full life-cycle data such as production batch, installation position, and material performance, forming a "digital identity card". During the operation and maintenance stage, management personnel can retrieve component information simply by scanning the chip with a handheld terminal, and combined with the BIM model and real-time sensor monitoring data, achieve early warning and precise repair of defects such as curtain wall deformation and cracks. This "digital operation and maintenance" model shortens the maintenance response time of GRC curtain walls by 50%, greatly extending the service life of the curtain wall.

From parametric design to intelligent manufacturing, from precision construction to smart operation and maintenance, digital technology is reshaping the entire value chain of GRC curtain wall installation. With 28 years of full-chain experience as its foundation, and through continuous technological innovation and practical exploration, Qinglong Group not only provides designers with broader space for creative realization, but also creates safer, more durable, and more aesthetically valuable building skin systems for owners. Driven by the mission of "creating beautiful architecture", Qinglong will continue to promote the deep integration of digital technology and new building materials, striving relentlessly toward the goal of becoming a "world-class leading manufacturer of UHPC/GRC/GRG/GRP".