Code for design of outdoor steps
First of all, the step width of indoor and outdoor steps should not be less than 0.3m, the maximum step height should not be greater than 0. 15m, and the minimum step height should not be less than 0. 1m, and then the steps should also have anti-skid function.
Second, if the stairs are set in crowded places, the height of the steps should exceed 0.7 meters. If one side is suspended, protective measures should be taken. Thirdly, the number and width of outdoor steps should meet the requirements of convenient use and safe evacuation.
According to the national standard, the step width of indoor and outdoor steps in public buildings should not be less than 0.30m, the maximum step height should not be greater than 0. 15m, and the minimum step height should not be less than 0. 1m, and then the step should also have anti-skid function.
If the step is set in a crowded place, the height of the step needs to exceed 0.70m m. If the other side is in the open air, protective facilities should be provided. In addition, outdoor steps usually consist of platforms and steps. The platform surface should be about 500mm wider than both sides of the doorway, 20~50mm lower than the indoor terrace, and the slope of outward drainage is about 1%.
Square brick paving stone: natural stone is processed into small stone products (100* 100mm square, 100mm or 80mm hexagon, diamond, etc. ), specially used for paving outdoor floors such as squares and garden roads. Its material, variety, color, origin and stone engineering plate are basically the same, mainly granite.
In the stone square brick industry, light-colored products are mostly (called main color products), and black and red are rarely (called color matching products). The commonly used color matching products mostly adopt high-grade and luxurious varieties.
Flat paving stone: the products are widely used for outdoor ground paving in various environments after grinding or firing. The most commonly used places are: landscape roads, residential garden paving, leisure and entertainment places, building squares, stations, docks, parking lots and so on. Due to the use of gap mortar joint construction, it has good anti-skid performance and is easy to keep clean. This natural material improves the taste and taste of the environment.