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Laminated glass in the glass curtain wall applications

Release date:2018-01-02 Author: Click:

Application of glass curtain wall

China is becoming a glass curtain wall powerhouse, producing 70 million square meters of glass curtain walls each year, accounting for 75% of the world's output. The existing glass curtain wall amounts to 200 million square meters, accounting for 85% of the world's total. A glass facade that is considered the hallmark of a modern metropolis.

Hollow laminated glass In the construction industry, laminated glass with its unique safety and permeability of light, and UV blocking function, while avoiding the interior ornaments receive sunlight and have the aging injury, is widely used in building. Due to the unique plastic laminated glass light weight, moderate heat transfer coefficient of the characteristics of the glass curtain wall has also been widely used.

The fa?ade glass of tall buildings is becoming the sword of Damocles hanging over people's heads. Not only are they large in area but large in number, and they are located at high altitudes. Once crushed to form a "glass rain", they are terrible "killers of the air" under the effect of gravitational acceleration. In recent years, negative news about the glass curtain wall came one after another. News on the glass blew, fall smashed people often see the newspapers. Such news people full of glass walls worry.

Beginning in August this year, "Shenzhen Architectural Design Code" was officially implemented. One more city has taken a policy of restraint on the application of glass curtain walls. As a result, some provinces and municipalities have introduced policies one after another, depending on the type of construction glass curtain wall to make "banned", "cautious", "should not be set" of the limit. With the introduction of the new rules, some building materials companies take advantage of the news hot spots, that the glass curtain wall is nearing late, and has "successfully developed a perfect substitute for glass curtain wall."

Glass lighting, thermal insulation, aesthetics and other characteristics can not be replaced by other materials. Glass curtain wall is an irreplaceable high-rise building materials, it will still be a long time to be applied. From the energy-saving insulation, material strength, safety considerations, the glass is indeed worse than many materials, but humans have been with the glass for more than 5,000 years, and why? Because the natural properties of glass, including texture, texture and more meet the human aesthetics and psychological needs, which is unmatched by other materials. "So what we have to do is to make the energy-saving glass relatively energy-efficient, but there is no other alternative because it is irreplaceable. Glass is the least energy-efficient and has a variety of disadvantages, It is not necessary, so we must find a variety of programs to make it as energy-saving and safe as possible. "

Laminated glass can eliminate hidden dangers of the glass curtain wall

From these provinces and cities on the glass curtain wall restrictions, the original intention is mainly to consider the safety and health of residents, the glass curtain wall of all sorts of hidden worries. The unique safety of laminated glass and the advantages of energy saving and environmental protection can eliminate these glass curtain wall security risks.

1. Laminated glass will not cause "glass rain"

Hollow laminated glass is sandwiched between two or more layers of glass special intermediate film, and then made of integrated glass processing. This process plays a crucial role in safety performance. Because the special intermediate film has very strong physical properties such as tensile strength, elongation and the like, it is extremely difficult to cut the laminated glass from only one side, and there is no effect even with a silent glass cutter. Laminated glass has a strong impact resistance, such as hammers, fire ax, chopping a knife and so on are not why it,

Even if the laminated glass is broken, the integrity can still be maintained because the intermediate layer is firmly adhered to the glass. Laminated glass, even with power tools or gas cutting torch, it can not damage the overall glass, let alone landing "glass rain."

2. Laminated glass energy saving and environmental protection

Laminated glass also has a good energy saving effect, when the sun shines a colorless laminated glass, the middle of the plastic film to absorb most of the heat, only a small part of the heat radiation to the interior, and indoor and outdoor heat Not easy to conduction, reduce heat consumption, thereby maintaining the indoor temperature, but also reduce air conditioning energy consumption. Laminated glass at the same time in the isolation of ultraviolet light, and will not block the injection of visible light. Is a green building material chosen by many construction projects.

Glass curtain wall is recommended for laminated glass

According to national regulations, glass curtain wall must use safety glass, and the so-called safety glass, there are two: toughened glass and laminated glass. Compared with tempered glass, laminated glass was called the real meaning of safety glass. After the laminated glass is still broken by the glass between the film to maintain a sheet, will not fall. However, due to cost considerations, after the glass curtain wall generally used tempered glass. Obviously, from the point of view of ensuring public safety in the city, it is the best policy to enforce the use of laminated glass for glass curtain walls. American standard glass


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