Types of Connection Methods Between UHPC Decorative Components and the Main Structure and Key Technology Analysis

Fidelity Standards for Stone-Replica Textured GRC Decorative Panels and a Solution for Ensuring Consistency with Natural Stone Decorative Effects

Making every GRC decorative panel an artistic replication of natural textures, and defining a new industry height for stone-replica fidelity through 28 years of professional expertise.

In the field of contemporary architectural decoration, GRC (Glass Fiber Reinforced Concrete), with its lightweight, high-strength, and flexible shaping characteristics, has become an ideal alternative to natural stone. However, how to accurately reproduce the texture and feel of natural stone and ensure highly consistent decorative effects has always been a core concern for designers and owners. 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 established a standardized system from texture capture to finished product delivery, providing professional solutions for quality control of stone-replica textured GRC decorative panels.

### I. Core Fidelity Standard System for Stone-Replica Textured GRC Decorative Panels

The fidelity of stone-replica textures is not mere visual similarity, but a comprehensive standard covering material texture, color layering, and physical performance. The Technical Standard for Building Application of Glass Fiber Reinforced Cement (GRC) (JGJ/T423-2018), which Qinglong Group participated in formulating, clearly stipulates that high-quality stone-replica GRC decorative panels must meet three core indicators: first, texture precision—achieving 0.1mm-level detail replication of natural stone surfaces through 3D scanning technology; second, color stability—using imported inorganic pigments to keep color difference within the international standard range of ΔE≤3; and finally, tactile fidelity—reproducing the crystal structure and feel of stone through mold craftsmanship, achieving an effect that is “strikingly similar from afar and convincingly realistic up close.”

### II. Full-Process Technical Control: Precise Transformation from Quarry Samples to Building Skins

The key to ensuring stone-replica effects lies in establishing a full-chain quality control system. In the design phase, Qinglong uses digital scanning technology to capture natural stone samples and builds a texture database through Rhino and Grasshopper parametric software, enabling unlimited reuse and adjustment of textures. In production, high-precision silicone molds and vacuum casting processes are used to give GRC panel surfaces undulating textures consistent with natural stone. Notably, Qinglong's original “texture preview system” can simulate decorative effects under different lighting conditions before production, effectively avoiding visual deviations after on-site installation. This technology has been successfully validated in projects such as the Century Plaza renovation on Nanjing East Road.

### III. Material Innovation and Process Upgrades: Breaking Technical Bottlenecks in Stone-Replica Decoration

Traditional GRC stone-replica products often face problems such as blurred textures and insufficient durability. Through optimized material formulations, Qinglong has increased flexural strength to over 20MPa, while incorporating nano-scale coloring technology to give panel surfaces color gradations and layering consistent with stone. In construction, BIM technology is used for pre-assembly simulation, combined with 3D laser positioning installation, ensuring texture jointing errors on large-area curtain walls of ≤2mm. This integrated “design-production-construction” model has successfully resolved the challenge of consistency in stone-replica effects for complex projects such as the Dongguan Women and Children's Activity Center.

### IV. Industry Practice and Standard Leadership: 28 Years of Experience Forging a Quality Benchmark

As a vice-chairman unit of the China GRC Association, Qinglong Group has not only participated in formulating multiple national and industry standards, but has also built core competitiveness through 58 patented technologies. In overseas projects such as a high-end commercial complex in Malaysia, its stone-replica GRC decorative panels have withstood the test of tropical climates, with texture retention still exceeding 95% after 5 years of use. This consistently stable quality performance has made it a strategic partner of renowned real estate groups such as Poly and Vanke, fully confirming the irreplaceable role of professional manufacturers in ensuring the consistency of stone-replica effects.

From millimeter-level texture replication to full life-cycle quality assurance, enhancing the fidelity of stone-replica textured GRC decorative panels is the crystallization of materials science and engineering experience. Guided by the mission of “creating aesthetically beautiful architecture,” Qinglong Group is enabling more buildings to achieve decorative effects that are “derived from nature yet superior to nature” through technological innovation and standard leadership, setting a quality benchmark for stone-replica GRC applications in the industry.