Outdoor billboards in the outdoor manager wind and rain, its quality requirements are very high, the following Jinan billboards to popularize its production and material selection of some matters needing attention!
When embedded parts are used between steel structure and concrete structure of outdoor billboards, friction expansion bolts are strictly prohibited. When special embedded parts are set unconditionally, other reliable connecting measures should be adopted, but the safety must be ensured through stress calculation and test verification. Wall billboards shall be attached to the walls of houses or structures to determine or check whether the walls of houses or structures can reliably withstand the transmission of billboards.
The setting of outdoor billboards should take into account urban planning, the status quo of municipal public facilities, the surrounding environment and the maintenance conditions after completion.
The shape of outdoor billboards should be in harmony with the surrounding environment.
The selection, layout and construction of outdoor special billboard steel structure should be easy to make, install and maintain, and make the stress of the structure simple and clear, so as to reduce stress concentration. The steel structure of outdoor billboards mainly bears wind load, so it is advisable to adopt open-web structure to reduce wind area.
The minimum wall thickness of section steel (steel pipe, channel steel and flat steel) used in billboards exposed to outdoor environment shall not be less than 3 mm, the diameter of round steel shall not be less than 10 mm, the angle steel of welded structure shall not be less than 45 *4 or 56 *36 *4, and the angle steel of bolted connection shall not be less than 50 *5.
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