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 residential homes in towns and cities. A stone curtain wall typically consists of a supporting framework—such as aluminum beams, steel structures, or glass ribs—that does not bear the load of the main building structure. In China, stone curtain walls have gained significant traction, with the country being one of the largest producers and users globally. According to some estimates, around 25 million square meters of natural stone are used annually for wall decoration, and approximately 140 million stone panels are installed in curtain wall systems. As the demand for stone curtain walls continues to grow, so does the focus on the quality of the hanging components. Although these elements may seem small, they play a crucial role in the overall safety and performance of the system. A single failure in the hanging mechanism can lead to serious consequences, making them one of the most important parts of the entire structure.
Second, the Classification of Stone Curtain Wall
Back Bolt System
This type of connection uses stainless steel expansion bolts without stress anchors, offering a safe and reliable method of attachment. The mounting structure features a flexible connection, providing excellent seismic resistance. It also allows for multi-directional adjustments, ensuring a smooth and even surface with neat seams.
Pallet System
In this system, aluminum plates are connected and bonded in the factory, ensuring consistent quality. The installation uses a hanging structure that allows for three-dimensional adjustments during installation. An elastic pad is often used to create a flexible connection, further enhancing seismic performance.
Long Slot System
The long slot connection uses aluminum alloy profiles, which significantly improve the system’s strength and safety. The installation structure supports three-dimensional adjustments, resulting in a flat surface and clean joints.
Third, the Decorative Advantages of Stone Curtain Wall
1. Natural material with a bright, lustrous appearance, durable and elegant, adding a sense of nobility to any building. 2. Frost resistance: Stones can withstand freezing and thawing cycles when wet, a property known as freeze resistance. When water inside the stone pores freezes at temperatures as low as -20°C, it expands by about 1/10 of its original volume. If the stone cannot withstand this pressure, damage can occur. 3. High compressive strength: The strength of stone varies depending on factors like mineral composition, crystal size, bonding uniformity, and loading conditions. Generally, denser stones with fine, well-bonded crystals tend to be stronger under similar conditions.
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