1. Daylighting. Sunlight shining on the roof is transmitted indoors in the form of diffused light. From the outside, the roof becomes a continuous bright surface, and its intensity changes because of the absolute position between the roof and the sun.
The daylighting coefficient (that is, the ratio of natural light sunshine level between indoor and outdoor surfaces) of the indoor air partition of the carport with tensioned membrane layout can be as high as10% at ordinary times; In traditional buildings, light can only enter the room through the infinite lighting window, and its lighting coefficient is less than 3%. Even on cloudy days, the light level of the film discharge room can meet the basic requirements of most sports.
2. reflectivity. Because the transmitted light and reflected light entering the carport room with film layout are diffuse light, glare is unlikely to appear. However, the control and shading of glass lighting area should be considered to prevent glare caused by its direct light.
3. color. In the carport of Jinan membrane structure, people will have a good color perception of red or beige membrane materials indoors, because these two colors show the characteristics of linear spectral transmission to visible light. The transmission level increases with the wavelength of the transmitted light, which makes the transmitted light slightly hotter than the incident light. Transmission spectrum, fiber and its characteristics, coating thickness, etc.
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