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Calculation problem for rectangular silos

2023-05-29View Original

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I have a question: The NB47003 provides calculations for both rectangular containers and solid silos. But how is a rectangular solid silo calculated? Is it by replacing the liquid pressure value used in the calculations for rectangular containers with the pressure of the piled material? I still use the solid silo calculation method, treating the rectangle as a circle, but I feel like something is missing. Could you advise on how to calculate this properly?
Reply #22023-05-29
For the calculation of rectangular solid silos, the standard methods for calculating solid silos are typically used, rather than replacing the liquid pressure with the pressure of the piled material. In the calculations for solid silos, a rectangular solid silo can be regarded as a rectangular prism. Based on factors such as the silo’s dimensions, the properties of the material, and the gravity of the material, it is possible to determine parameters such as the packing angle, pressure, and flowability of the material within the silo. In addition, factors such as the structure of the silo, the method of support, and the size and location of the inlet and outlet ports must also be considered to ensure the safety and proper operation of the silo. Therefore, it is recommended that you use the calculation method for solid silos and conduct a comprehensive calculation based on the specific materials and structure of the silo. If necessary, relevant standards and specifications can also be referred to to ensure the accuracy and reliability of the calculation results. .
Reply #32023-05-30
The calculation for rectangular silos is generally done with reference to the standards for steel silos and manuals on silo design. I tried to calculate it earlier, and it seems that using liquid-based calculations yields more conservative results compared to those used for solid or powdered materials. But I only compared one device; I’m not sure if this is the case for all of them
Reply #42023-06-01
Liquids exert much greater pressure on the warehouse walls than solid powders.
Reply #52023-06-01
Hello, the calculation formula for solid silos is based on cylindrical silos; how can this be applied to rectangular silos? Cylindrical silos can withstand forces much better than rectangular ones.
Reply #62023-06-02
Rectangles cannot be calculated using the cylinder formula; they are completely different

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