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Strength simulations of a 100 m³ sludge tank

 

 

For an industrial client, we conducted a comprehensive strength analysis of a sludge tank with a capacity of 100 m³. The aim of the project was to ensure the safety of the structure and optimize its strength parameters under various operating conditions.

We developed a three-dimensional CAD model of the tank, taking into account its geometry, dimensions, assumptions, and construction materials.

Step 1:

Conceptual model of the tank

Analyses have shown that the tank's construction meets the regulatory requirements regarding strength and stability. However, we recommended implementing several improvements:

  • Reinforcement of critical points: adding additional reinforcement in areas of highest stress.

  • Optimization of the tank bottom shape: changing the geometry for better load distribution.

  • Improvement of the water drainage system: ensuring effective drainage of rainwater and condensate.

Step 3:

 

Results and recommendations

We conducted a series of FEM (Finite Element Method) analyses to assess the behavior of the structure under various loads:
  • Static loads: analysis of the impact of the weight of the sediment on the walls and bottom of the tank.

  • Combined loads: consideration of the simultaneous effects of the weight of the sediment, snow load, and wind forces.

  • Dynamic loads: analysis of the impact of an earthquake on the stability of the structure.

  • Dynamic loads related to operation: simulation of the tank filling process and the drop of sediment to the bottom during emptying.

Step 2: Simulations

Thanks to the conducted simulations, it was possible to optimize the tank's design, which contributed to increasing its safety and durability.

Final effect

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