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随着上海城市建筑大规模的建设,极大地推动了建筑玻璃的广泛应用,建筑玻璃已从过去单一的采光型向装饰结构型转变,越来越多的建筑玻璃品种、规格和大板面玻璃被直接应用于大量的建筑幕墙,公共场所门厅出入口,建筑物斜顶、吊顶和室内隔断,观光电梯,沿街橱窗等建筑结构工程中。由于玻璃是一种脆性材料,当作用在玻璃上的外力(风压、地震、人体的冲击或飞来的物体等)超过允许限度,玻璃就会破碎,尤其是非安全型的普通退火玻璃,其尖锐的碎片状况,对人体的危害极大,事故屡见不鲜。
With the large-scale construction of Shanghai’s urban architecture, which has greatly promoted the wide application of architectural glass, architectural glass has changed from a single lighting type to a decorative structure in the past. More and more architectural glass varieties, specifications and large glass panels Is directly applied to a large number of building walls, public places entrances and exits, building inclined roof, ceiling and interior partitions, tourist elevators, windows and other building structures along the street. Since glass is a brittle material, the glass breaks when the external forces acting on the glass (wind pressure, earthquakes, impact of the human body or flying objects, etc.) exceed the allowable limit, especially unsafe ordinary annealed glass which Shards of debris, the great harm to the human body, the accident is not uncommon.