The thickness of the silo is not fixed, but needs to be adjusted according to the specific use environment and the characteristics of the stored materials. The wall thickness requirements of silos of different materials are also different. The following are some common silos thickness ranges:
Reinforced concrete silo
Wall thickness:
Generally not less than 150mm.
When using slipform construction, the wall thickness is not less than 160mm.
The wall thickness of the reinforced concrete conical funnel should not be less than 120mm, and the upper wall thickness of the funnel is the same as the wall thickness.
For the conical funnel silo wall, the thickness should meet the material impact wear compensation amount, and an additional 5mm steel fiber concrete wear-resistant layer is required for coal storage.
Reinforcement requirements
The circumferential reinforcement ratio shall not be less than 0.35%, the vertical reinforcement diameter shall be ≥16mm and the spacing shall be ≤150mm.
45° inclined reinforcement bars shall be set in the variable section transition zone to prevent stress concentration and cracking.
Brick-concrete silos
Wall thickness
The wall thickness of brick-concrete silos shall be determined by calculation, but shall not be less than 240mm.
When the height is high, a variable cross-section can be used, and the thickness of the lower wall can be 370mm.
Steel silo
Wall thickness
The wall thickness of steel plate silos shall be determined by calculation.
Engineers can select the wall thickness of Lipu spiral hemmed steel plate silos from 1.5mm to 4.0mm.
The wall thickness of assembled corrugated steel plate silos can be selected from 2.5mm to 8.0mm.
The wall thickness of welded steel plate silos can be selected from 4~12mm.
Funnel wall thickness
The wall thickness of steel plate cone funnel is generally selected from 4~8mm, which should be determined by calculation.
Analysis of standard range of silo thickness
As the core facility for material storage, the wall thickness design of silos needs to accurately match the physical properties of the stored materials and the requirements of the silos structure. Industry practice data shows that engineers typically control the reasonable range of silos wall thickness between 1.5mm and 10mm. This numerical range is not a fixed standard, but the following variables require dynamic adjustment to determine it.
Material performance differences
There is an essential difference in the bearing capacity of steel and composite materials
Material characteristic parameters
The influence coefficient of density, humidity, and particle shape on silo wall pressure
Silo body geometric parameters
The proportional relationship between diameter and height directly affects the stress distribution
Website: https://www.cobansilo.com/
Mobile: +8615801054617
Email: william@cobansilo.com
