First, the introduction of stone curtain wall
Stone curtain walls have become increasingly popular in modern architecture. They are now commonly seen in commercial buildings, villas, and even in some urban residential projects. A stone curtain wall typically consists of a supporting framework, such as aluminum or steel beams, glass ribs, or other structural elements. Importantly, it does not bear the load of the main building structure but serves as an exterior cladding system. China has become one of the largest producers and users of stone curtain walls globally. According to partial data, the annual usage of natural stone panels for wall decoration is approximately 25 million square meters, while the number of stone curtain wall hangers used reaches around 140 million sets. As the popularity of stone curtain walls continues to grow, so does the concern over the quality of their hanging systems. Although these hangers may seem like small components, they play a crucial role in ensuring the safety and stability of the entire structure. In fact, they are among the most critical parts when it comes to both performance and long-term durability.
Second, the classification of stone curtain wall
Back bolt system
Connection type – uses stainless steel expansion bolts for stress-free anchoring, offering a safe and reliable connection method.
Mounting structure – features a flexible connection design, providing excellent seismic resistance. It allows multi-directional adjustments, ensuring a smooth and flat surface with clean, straight seams.
Pallet system
Connection type – connects using aluminum plates, with bonding done in the factory for consistent quality.
Mounting structure – employs a hanging system that allows three-dimensional adjustments during installation. An elastic pad is used to ensure a flexible connection, enhancing seismic performance and overall stability.
Long slot system
Connection type – utilizes long aluminum alloy profiles to enhance system strength and safety.
Installation structure – enables three-dimensional adjustment, resulting in a flat surface with neat and uniform joints.
Third, the decorative advantages of stone curtain wall
1. Natural material with a lustrous finish, hard and long-lasting, exuding a sense of elegance and sophistication;
2. Frost resistance: Stone can withstand freezing and thawing cycles without significant damage, especially when wet. When the temperature drops to -20°C, water trapped in the pores expands by about 1/10 of its original volume. If the stone cannot handle this pressure, cracking or damage may occur;
3. High compressive strength: The compressive strength of stone varies depending on factors such as mineral composition, grain size, cementation, and loading conditions. Generally, denser stones with fine, well-bonded grains exhibit higher strength and better performance under load.
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