UHPC’s superior performance data and index
1、The high compactness and good working performance of UHPC make the surface that contacts with the template have a high degree of smoothness. The outside harmful medium is difficult to intrude into the UHPC, and the colorants and other components in the UHPC are not easily dissolved out. With this characteristic, UHPC can be used as the exterior decoration material of buildings, and the chromatic aberration is reduced to the minimum, which is more conducive to surface cleaning.
2、UHPC is a ultra-high strength cement-based material with high strength, high toughness and low porosity. Its basic preparation principle is that by increasing the fineness and activity of the component, without the use of coarse aggregate, the defects (pores and micro cracks) within the material are reduced to the least, so as to obtain ultra high strength and high durability.
3、Mechanical properties of UHPC
Property | Heat-treated Ductal® — FM and Ductal® — AF | Unheat-treated Ductal® — FO |
Apparent density | 2500kg/m³ | 2350kg/m³ |
Compressive strength | 150~180MPa | 100~140MPa |
Bending strength(4×4×16cm) | 30~40MPa | 15~20MPa |
Tensile strength | 8MPa | 5MPa |
Residual tensile strength | 8Mpa | 3MPa |
Young’s modulus of elasticity | 50Gpa | 45Gpa |
Poisson ratio | 0.2 | 0.2 |
Shrink | <10µm/m | <10µm/m |
Creep coefficient | 0.3 | 0.8 |
Coefficient of thermal expansion | 11.8µm/m/°C | 11.8µm/m/°C |
4、Resistance to acid attack. UHPCis exhibiting high resistance, even under severe conditions (the general concrete will be destroyed), and it’s resistance ability can make it be exposed to various erosion elements (such as calcium sulfate, sodium sulphate, acetic acid, ammonium sulphate, nitrate, sea water and distilled water).
5、UHPC is an Ultra High Performance Concrete (UHPC) which is developed from fine and high strength aggregate. The aggregate size combination has been optimized, so it is the lowest porosity concrete in the market. Because Ductal UHPC uses a specific combination of materials, it is suitable for the production of narrow and tiny components and these components have high durability (abrasive resistance, carbonation, chloride permeability and freezing-thawing resistance, etc.), which are far higher than the traditional concrete materials, such as at least 1000 times lower oxygen permeability. The hollowing out rate can be made to 50~70%.
6、The excellent performance of the material itself and the premixed pouring process make the product quality more stable and controllable, and it is not easy to crack.
7、Freeze-thaw test (300 cycles) 100% don’t change
•Ice salt denudation<0.0131b/M2, capillary porosity<1%
•HRT cycles 100%
•Abrasion resistance (relative volume loss index)1.7
•Oxygen permeation<10—9M2, total porosity3-6%
•Carbonization depth<0.02in
8、Way to install: both open installation and concealed installation are acceptable.
UHPC Outdoor Decorative Panels: Comprehensive Guide for Modern Architecture
Contemporary architecture increasingly demands exterior solutions that combine durability, functionality, and aesthetic appeal. UHPC (Ultra-High Performance Concrete) Outdoor Decorative Panels meet these requirements by providing high-strength, corrosion-resistant, and weatherproof materials for a variety of outdoor applications. From residential façades to commercial landscaping and public infrastructure, these panels offer long-term performance with minimal maintenance. Their versatility in texture, pattern, and finish allows architects and designers to create visually compelling spaces while benefiting from the structural and environmental advantages of UHPC.
Ultra-High Performance Concrete (UHPC) is a specialized concrete formulation that combines fine aggregates, high cement content, silica fume, and chemical admixtures to achieve exceptional mechanical properties. UHPC typically exceeds 150 MPa in compressive strength and possesses superior durability, including low permeability, high flexural strength, and resistance to chemical attack and freeze-thaw cycles. These characteristics make it ideal for outdoor panels exposed to harsh environmental conditions.
UHPC outdoor panels are available in a variety of finishes, textures, and patterns, including smooth, textured, perforated, or patterned designs. The integral nature of these designs ensures durability and longevity, as the aesthetic elements are embedded within the UHPC matrix rather than applied as surface treatments. Panels can mimic natural materials such as stone, wood, or marble, providing architectural flexibility without the drawbacks of traditional materials, such as weight, maintenance, or susceptibility to weathering.
Lightweight UHPC formulations allow panels to maintain structural integrity while reducing weight, simplifying handling and installation. This makes it feasible to create larger panels or intricate designs without imposing excessive load on the building structure. Lightweight panels also reduce transportation costs and labor requirements during construction.
UHPC panels are inherently resistant to environmental stressors, including UV radiation, rain, snow, and freeze-thaw cycles. The dense microstructure prevents water ingress, reduces the risk of cracking, and protects against chemical exposure. This ensures long-term structural stability and preserves aesthetic qualities, even in harsh climates or industrial areas.
For outdoor applications, corrosion resistance is essential, particularly in coastal or polluted environments. UHPC’s low porosity protects embedded reinforcement from chloride and moisture penetration, prolonging service life and reducing maintenance needs.
These panels support a wide range of decorative options. Customizable perforations, textures, and patterns allow designers to create dynamic light and shadow effects, enhance visual interest, or integrate functional features such as ventilation or privacy. Surface treatments or integral pigments enable consistent color and design across multiple panels, maintaining visual cohesion in large projects.
Compared to traditional concrete or stone panels, UHPC panels are lighter yet retain high compressive and flexural strength. Lightweight construction simplifies installation, allows for larger panel sizes, and reduces structural load requirements. Efficient installation minimizes labor costs and construction time, enabling complex façades and architectural features to be implemented safely and economically.
UHPC outdoor decorative panels are designed for long-term durability, reducing the need for frequent replacement. They can incorporate recycled aggregates and industrial by-products, contributing to sustainable construction practices. Low-maintenance surfaces resist abrasion, staining, and environmental degradation, reducing lifecycle costs and environmental impact.
In office complexes, hotels, and retail spaces, UHPC panels provide visually appealing façades while ensuring structural reliability. Perforated or patterned panels enhance natural light penetration and ventilation, improving interior comfort and energy efficiency.
For residential developments, UHPC decorative panels can serve as exterior cladding, garden screens, partitions, or feature walls. Their lightweight nature allows for creative design solutions, while their durability ensures minimal upkeep over time.
Municipal projects, including libraries, cultural centers, parks, and transit hubs, benefit from UHPC panels’ long-term performance and aesthetic versatility. Panels can be used for seating, planters, screens, and façades, providing functional and decorative solutions that withstand heavy use and environmental exposure.
UHPC panels are suitable for outdoor landscaping elements such as decorative walls, paving accents, pergolas, and sculptural installations. The material’s resistance to weathering and abrasion ensures lasting appearance and performance, even in high-traffic areas.
Typical UHPC outdoor panel thickness ranges from 20 mm to 50 mm, depending on structural requirements, pattern density, and desired aesthetic effects. Large-format panels require precise engineering and anchoring to maintain safety and stability.
Designers must balance aesthetics with structural integrity. Perforation size, shape, and distribution impact light penetration, ventilation, acoustic performance, and panel strength. CAD (Computer-Aided Design) and FEA (Finite Element Analysis) are often used to optimize panel designs for both functionality and visual appeal.
Panels are anchored using mechanical fasteners, brackets, or hybrid systems designed to accommodate thermal expansion, wind load, and seismic activity. Proper installation ensures panel stability, prevents water ingress, and maintains alignment over time.
Perforated or ventilated panels enhance building performance by allowing natural airflow, reducing artificial lighting needs, and moderating acoustic conditions. Panels can be combined with insulation or ventilated façade systems to improve energy efficiency and indoor comfort.
Although UHPC panels are low-maintenance, routine inspection ensures longevity:
Surface Cleaning: Use neutral pH cleaners or low-pressure water to remove dirt, pollutants, and debris. Avoid abrasive or acidic cleaners that can damage the surface.
Sealant Checks: Inspect joints and sealants periodically to maintain waterproofing and airtightness.
Structural Monitoring: Ensure anchors and fasteners remain secure and panels retain proper alignment.
Corporate Headquarters, Germany: Lightweight UHPC panels provided a durable, perforated façade with dynamic light effects, reducing structural load while enhancing aesthetics.
Residential Tower, Canada: Panels with custom patterns improved natural ventilation and daylighting, enhancing occupant comfort.
Urban Park, USA: Decorative UHPC panels were used for partitions, seating, and façade cladding, delivering low-maintenance, weather-resistant, and visually appealing solutions.
These projects illustrate the versatility, durability, and aesthetic potential of UHPC outdoor decorative panels across diverse architectural applications.
UHPC Outdoor Decorative Panels provide architects, designers, and engineers with a high-performance, durable, and visually versatile solution for exterior and landscape applications. Combining the superior strength, corrosion resistance, and weatherproof properties of UHPC with customizable designs, these panels deliver long-term performance, low maintenance, and creative architectural opportunities. Lightweight construction simplifies installation, reduces structural load, and supports sustainable building practices. Ideal for residential, commercial, and public projects, UHPC outdoor decorative panels enable façades, screens, partitions, and outdoor features that are functional, resilient, and aesthetically striking in demanding outdoor environments.
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