Point-type glass curtain wall is a new type of support that has emerged in recent years. The point-type glass curtain wall is called a metal-supported structure point-type glass curtain wall, but it has developed rapidly in the city.
According to the different ways of the support structure, the point glass curtain wall can be divided into the following types:
(1) Metal support structure point glass curtain wall. This is the most widely used form. It is made of a metal material as a supporting structure. The metal glass and fasteners securely hold the surface glass on it. It is safe and reliable. Taking full advantage of the flexibility of the metal structure to meet the needs of architectural modeling, one can clearly see the entire structural system of the supporting glass through the glass. The crystal clear and transparent metal structure, the embodiment of "beauty" and "force". Enhance the effect of "virtual" and "real" contrast.
(2) All-glass structure point-type glass curtain wall. It connects the glass support structure (glass rib) with the face glass through metal connectors and fasteners to form a building envelope. The construction is simple and cost-effective, and the glass surface and ribs form an open view, which makes people pleasing to the eye, and the indoor and outdoor spaces of the building achieve maximum visual blending.
(3) Pull rod (cable) structure point type glass curtain wall. It adopts a stainless steel tie rod or a support structure for the curtain wall by using a cable corresponding to the glass split joint. The glass is secured thereto by a metal connector. The precision of the full-service machining in the building makes the components all the tension members. Therefore, the construction should be pre-stressed. This softening can reduce the breakage rate of the glass during vibration.
Component
(1) Support system. The support system transmits the various loads received by the cover glass directly to the building's main structure. Therefore, it is the main force-bearing component, generally according to the load bearing size and architectural shape, such as glass ribs, stainless steel columns, aluminum profile columns or steel shelves with appropriate anti-corrosion and anti-surface treatment. Steel columns and stainless steel rods (cables).
(2) Metal connectors. The metal connector includes a fixing member (commonly referred to as a claw seat and a paw) and a fastener. The fasteners are usually cast from stainless steel and the fasteners are stainless steel machined parts. In view of metal compatibility, the jaws must be of the same material as the support system or mechanically fixed. Metal connectors are the essence of architectural point technology. It fixes the face glass on the support structure not only creates additional stress on the edge of the glass hole, but also allows a small amount of displacement to adjust the construction error caused by the building installation, and also has shock absorption measures to improve the seismic resistance, so the design considerations The factors are multifaceted. The metal connector also produces a remarkable decorative effect, so in addition to meeting the functional requirements, it also has a beautiful design and fine processing, which plays the role of “finishing the finishing touchâ€.
(3) Glass. The glass used in the construction of the point-type glass curtain wall reduces the strength of the glass at the edge of the hole by about 30%. Therefore, the point-type glass curtain wall must be made of high-strength tempered glass (the impact strength of the tempered glass is float glass 3) -5 times, the bending strength is 2-5 times that of float glass.) Another important characteristic of tempered glass is that it is safe to use and produces fine fragments without sharp angle when it is damaged by large external force (commonly known as "glass rain" "), not easy to hurt people.
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