Structure Forms of Steel Silo Roof


The silo roof is the structure that closes the top of the silo, Its shape is generally hemispherical or arched. The silo roof is one of the major auxiliary works for the steel silo construction. However, what is the specific structure of the silo roof? This article will give you the answer.

Silo Roof Types

There are three basic structural forms of the roof of the steel silo, which are the profiled steel frame roof, truss roof, and grid roof. The choice of the roof is mainly determined by the span of the steel silo and the equipment load at the top of the silo.
Steel skeleton roof is generally used for steel silo whose span is less than 27 meters and its roof equipment load is less than 50KN, and there is no horizontal force. The truss roof is usually used when the silo span is 27 to 50 meters, the roof load is less than 200KN, and there is no horizontal force. And when the silo span exceeds 50 meters, the roof load exceeds 200KN, and there is a horizontal force and the force conditions are complex, the grid roof should be used.
All forms of silo roof should be equipped with safety guardrails, bridges, and other facilities.
Choose the most suitable structure forms based on the silo conditions and save as much money as possible, is always an important principle in silo construction.

The factors that determine the silo roof design?

The roof of the steel silo is an important part of the entire steel silo structure. It is a carrier and erection support for a series of equipment on the silo (eg, feed inlet, ventilation system, dust removal system, temperature measurement system, warehouse roof Corridor, roof guardrail, ladder, etc.). Therefore, the roof design of the steel silo must be very professional and reasonable, and the construction quality must be extremely high and reliable.
Without skin effect of steel plate, the silo roof composed of inclined beams, upper and lower ring beams, and steel plates should also be provided with support systems or other measures to ensure the spatial stability of the roof structure. The internal forces of the silo roof components can be calculated in terms of space rods.
The fulcrum of the equipment on silo roof should be located on the silo wall, not the inclined beam. If the load is symmetrical, the fulcrum can also be located on the frustum of the roof. For heavy equipment, it is better to use floor stands.
The temperature measuring cables can not be directly hung on the ceiling of the silo. The roof eaves of the silo should not be less than 100mm, and the vertical dripping device should be provided, its height should be over than 50mm. Seals should be set on the eaves of the silo roof.
The user needs to regularly check whether the top cover of the steel silo is intact and whether the fastening bolt is loose. At the same time, it is also necessary to check the weld seam at the silo roof and take necessary anti-corrosion measures, otherwise, it may cause serious safety problems.

Why Choose Anyang Flyer Steel Silo

Anyang Flyer Steel Silo Co., Ltd is a professional storage silo manufacturer. We have over ten years experience in steel silo construction.
The roof of the steel silo built by our company is assembled using a fan-shaped galvanized steel plate and a radial stiffening skeleton machined in the factory. We set up sealing strips on the edge of the silo wall so that it can be tightly coupled with the silo top plate to ensure that there is no water seepage and the cartridge body has good air-tightness.

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