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Grain steel silo construction in Uganda

The construction of grain steel silo begins with the foundation, which is especially critical for large-capacity flat-bottomed steel silo that demand stringent geological analysis.

Basic Geological Requirements for the Construction of Grain Steel Silo

The construction of grain steel silo begins with the foundation, which is especially critical for large-capacity flat-bottomed steel silo that demand stringent geological analysis. Some geological conditions are not suitable for bearing loads; for instance, sandy soils have poor stability. Today, we will discuss the basic geological requirements for building grain steel silo.

Grain steel silo construction in Uganda

Analysis of the Foundation’s Load-bearing Capacity

The force exerted on a quicksand foundation can demonstrate that the edge foundation is externally tangential. As the load on the silo increases, it can cause the quicksand to flow centripetally. The water content and air gaps in the quicksand are expelled with increasing pressure, and this centripetal flow not only generates an upward buoyant force but also increases the density. Over more than three years of actual measurement, under the full load pressure, the silo body did not sink (the design allowance is 400mm). Instead, it rose by 60mm during periods of increased river water levels and in the rainy season. With a storage area of more than one acre at the bottom of the silo, there is no inclination.

Silo Body Construction Requirements

The gravitational force of a large steel silo is entirely compressed on the ground. Apart from the foundation treatment of the silo body, the accumulated cement is an equilibrium pressure. Except for the discharge passage and moisture-proof layer, the bottom of the silo does not require special treatment. The welding of the silo body is lapped and does not require additional support measures. The spherical top, except for the shaped steel pipe, also does not need special reinforcement.

Total Cost of Steel Silo

The total cost of a steel silo consists of two parts: the foundation investment and the body cost investment of the large steel silo. The foundation investment of a large steel silo, when built on poor geological quicksand, accounts for 34% of the total investment. If built in a soft geological area that is not quicksand, the foundation investment does not exceed 15% of the silo body. Such a foundation only needs a 3m deep stable soil layer to meet the conditions for construction. If it is a sandy and rocky land, the cost is even lower.

Geological Considerations for Silo Construction

When constructing grain steel silo, it is essential to consider the geological conditions due to their direct impact on the stability and integrity of the structure. The geological survey is the first step in determining the suitability of the site for the construction of large-capacity steel silo. Certain soil types, such as quicksand, require special attention due to their unstable nature.

Grain steel silo construction in Uganda

Foundation Design and Construction Techniques

The design of the foundation must account for the geological characteristics of the site. For large steel silo, the foundation must be robust enough to withstand the immense pressure exerted by the weight of the stored grain. The use of high-quality materials and advanced construction techniques ensures the durability and stability of the foundation.

Economic Implications of Geological Conditions

The geological conditions of the site also have economic implications for the construction of steel silo. Building on challenging terrains like quicksand can increase the cost of the foundation, which is a significant portion of the total investment. However, with proper geological assessment and foundation design, it is possible to minimize these costs.

Conclusion: The Significance of Geological Evaluation

In conclusion, a thorough geological evaluation is crucial for the successful construction of grain steel silo. It ensures the structural stability of the silo, optimizes construction costs, and guarantees the safe storage of grain. Proper foundation design and adherence to construction standards are key to achieving these objectives.

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