GRC Engineering Project Lifecycle Quality Management: Closed-Loop Control from Design to Maintenance

Full lifecycle management is the guarantee of GRC project quality, and every stage must strive for excellence. The quality of GRC projects not only affects architectural aesthetics but also directly impacts service safety and durability. As a leading enterprise integrating the full chain of services including detailed design, manufacturing, construction and installation, and after-sales maintenance, Qinglong Group has established a comprehensive full lifecycle quality management system. With 28 years of engineering experience and rigorous quality control, it has delivered numerous Luban Award-winning projects such as the Wuhan Han Show Theatre and the Shenzhen Pingshan High-tech Zone Comprehensive Service Center.

#Design Stage Quality Management: Controlling Feasibility and Safety at the Source Design is the foundation of GRC project quality. Qinglong adopts a "parametric design + multi-disciplinary collaboration" model to ensure that design proposals are scientific and sound. During the detailed design stage, the technical team combines project requirements with the characteristics of GRC materials to optimize component shaping and structural design. For example, in the double-curved GRC curtain wall project of the Nanning New Media Center, parametric modeling was used to optimize component curvature and ensure forming feasibility; BIM technology was applied for clash detection to identify design conflicts in advance—for example, in the Shanghai Qingpu R&D and production project, the BIM model identified 12 clash points between pipelines and GRC components, allowing timely adjustment of the design plan. Meanwhile, a strict design review system is enforced, organizing structural engineers, material experts, and construction technicians for joint reviews, focusing on key items such as component strength, anchoring systems, and joint treatment, to ensure that design proposals meet safety and usage requirements. In addition, Qinglong draws on its 58 patented technologies and industry standards, such as the Technical Standard for Building Application of Glass Fibre Reinforced Cement (GRC), to ensure that design parameters comply with specifications.

#Production Stage Quality Management: Refined Control of Every Process Production is the core guarantee of GRC component quality. Qinglong has established a full-process quality system covering "raw material inspection - process control - finished product testing." Raw material procurement follows a "qualified supplier list" system, with strict inspection of raw materials such as cement, alkali-resistant glass fibre, and aggregates. For example, cement must be tested for strength and soundness, and glass fibre must be tested for alkali resistance; substandard raw materials are strictly barred from the warehouse. During production, automated production lines control batching accuracy with a batching error of ≤±1%, and online monitoring systems track process parameters such as mixing, forming, and curing in real time—for example, mixing time is controlled at 3-5 minutes, curing temperature is kept at 20-25°C, and humidity is ≥90%. In finished product testing, each batch of components must undergo appearance quality, dimensional deviation, and strength performance testing: the appearance must be free of cracks, honeycombing, and other defects, dimensional deviation ≤±2mm, and flexural strength ≥15MPa; only components that pass testing may leave the factory. Qinglong's production base is equipped with professional testing laboratories featuring advanced equipment such as universal testing machines and flexural testing machines, ensuring accurate and reliable test data.

#Construction Stage Quality Management: Precise Installation and Process Monitoring Construction and installation quality directly affects the overall effect and safety of GRC projects. Qinglong has established standardized construction procedures, providing technical disclosure and training to on-site workers before construction to ensure they master installation techniques and quality requirements. During installation, 3D laser scanning positioning technology is used to ensure installation precision—for example, in the GRC curtain wall project of Shenzhen Longhua Xiangshan Science and Technology Park, installation error was controlled within ±1mm; anchoring construction strictly follows design requirements, with anchor bolt spacing and depth meeting specifications, and pull-out tests are conducted after installation, with pull-out force ≥1.2 times the design value. A construction process quality patrol system has been established, with quality inspectors conducting follow-up checks throughout, focusing on key processes such as component splicing and sealing—for example, sealant application must be full and free of air bubbles, with splicing gaps ≤3mm. For high-risk operations such as work at heights and installation of irregularly shaped components, dedicated safety and quality assurance plans are formulated, with measures such as modular hoisting and erection of safety protection frames, to ensure construction safety and quality.

#Operation and Maintenance Stage Quality Management: Long-Term Maintenance and Life Extension Quality management of GRC projects does not end at completion; long-term operation and maintenance is the key to ensuring service life. Qinglong establishes dedicated operation and maintenance files for each project, recording information such as component production batches, installation parameters, and test data, providing a basis for later maintenance. A warranty period of no less than 5 years is provided, during which regular on-site inspections are conducted at least twice a year to promptly identify and address issues such as component cracking, loosening, and weathering—for example, in the Shanghai Xinghewan project, 3 minor cracks were discovered and repaired through regular inspections. A rapid response mechanism has been established: technical personnel are arranged to arrive on site within 24 hours of receiving a maintenance request—for example, in the Hainan International Convention and Exhibition Center project, surface repair and protective treatment were promptly carried out to address localized weathering of roof GRC components. In addition, long-term technical consulting services are provided to owners, guiding them in daily maintenance—for example, recommending that they avoid sharp object impacts and regularly clean component surfaces—to extend the service life of GRC projects.

Full lifecycle quality management of GRC projects is a closed-loop system from design to operation and maintenance. Qinglong Group applies rigorous standards, refined management, and professional technology throughout the entire project process, ensuring that every GRC project meets premium quality standards. Going forward, Qinglong will continue to optimize its quality management system and integrate more digital and intelligent technologies—such as using RFID chips to achieve component quality traceability—to raise the quality management level of the GRC industry to new heights.