2013年8月19日星期一

Explosion-proof design

In the architectural design should be reasonably determine the requirements of a building explosion: ① floors. General should adopt the single-storey buildings. For the bottom-up or top-down must be taken of the building before the production process using multi-layer architecture. In multi-storey buildings, if only part of the explosion-proof room, it should be possible to arrange on top, can not put it in the basement or  electric transformer  layout. If the proof of the process is up and down through the top, you should set up on each floor vent holes, the area should be not less than 15% of the floor area of ​​the roof is made of light relief roof. ② fire rating. Often cause a fire explosion, explosion-proof buildings should have a high  circuit breakers : not less than two-storey building, multi-story building should be one. ③ structure types. To prevent explosion caused houses to collapse, explosion-resistant buildings should be used in load-bearing structure, and take relief measures. General use of reinforced concrete structures;  electri cenergy meter  if the walls thicker or construction area is small, can be a mixed load-bearing brick structure, but must set light relief roof. ④ flat shape. Building plan should be rectangular. The smaller the width of the building, exterior area with larger volume ratio, the more favorable lighting, ventilation and pressure relief. Multi-story building width of not more than 18 meters away. ⑤ security entrances. Safe evacuation with entrances and exits, should generally be less than two, and shall meet the security and evacuation evacuation distance width requirements. ⑥ proof sections arranged. Buildings only partial proof, the proof section should rely on external arrangement, requires at least two exterior walls; if only one outer wall, the area attributable to the perimeter of the room more than 25% of the total area. Production of explosives plant, should adopt the open or semi-open architecture.

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