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Under the Dome, Defining New Landmarks in East Africa: Empowering Public Spaces with Our Bespoke Design

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  On the skylines of Nairobi, Addis Ababa, and Dar es Salaam, modern municipal buildings are rising. With East Africa’s economic growth and the preparation for major international events and cultural festivals, stadiums, museums, and convention centers are no longer just functional structures – they have become the “calling cards” that showcase a city’s ambition and vitality.   However, when developing such large-scale public buildings, owners and government bodies often face a key challenge: how to achieve unobstructed, large-span spaces while balancing aesthetics and safety? Traditional concrete structures struggle to meet the open-view requirements of stadiums or the artistic fluidity of museums. That is exactly where our expertise comes in. As a team specialized in steel structure design with multiple successfully delivered municipal projects in East Africa, we deeply understand the social significance of these buildings. We provide not just steel structures, but fully tai...
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What are the national standards for steel materials?

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There are different national standards for steel materials around the world, and the specific standards depend on the country and the intended use of the steel. Some examples of national standards for steel materials are:

  • ASTM (American Society for Testing and Materials) standards: These are widely used in the United States and cover a wide range of steel products, including structural steel, carbon steel, alloy steel, stainless steel, and tool steel.
  • EN (European Norm) standards: These are developed by the European Committee for Standardization (CEN) and cover various types of steel products, including structural steel, stainless steel, and high-strength steel.
  • JIS (Japanese Industrial Standards) standards: These are developed by the Japanese Industrial Standards Committee and cover various types of steel products, including carbon steel, alloy steel, stainless steel, and tool steel.
  • GB (Chinese National Standards) standards: These are developed by the Standardization Administration of China (SAC) and cover various types of steel products, including carbon steel, alloy steel, and stainless steel.
  • ISO (International Organization for Standardization) standards: These are developed by the ISO and cover various types of steel products, including structural steel, stainless steel, and high-strength steel.

These national standards specify the requirements for the chemical composition, mechanical properties, manufacturing methods, and testing procedures of the steel materials. The standards ensure that the steel materials meet certain quality and safety requirements and facilitate international trade by providing a common language for steel products.

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What is a coal bunker?

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Coal bunker , is a structure used for storing coal. Coal bunkers play an important role in thermal power plants, coal mines and coal marshalling stations. Depending on the specific application scenario and design, there are various types of coal bunkers, such as circular coal bunkers, square coal bunkers and open coal yards. Safety Management of coal bunkers Preventing spontaneous combustion of coal: Since coal itself contains certain moisture and volatile substances, long-term exposure to the air may lead to spontaneous combustion, so the safe management of coal bunkers is of great significance in preventing spontaneous combustion of coal. Ensure the quality of coal: coal in the coal bunker usually needs to be stored for a long time, if not managed properly, it may lead to the decline in the quality of coal, such as sulphurisation, weathering and other phenomena, so it is necessary to ensure the quality of coal by strengthening the safety management of the coal bunker. Improve the eco...
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What is the difference between a single-layer reticulated shell and a double-layerreticulated shell?

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  The differences between single-layer reticulated shells and double-layer reticulated shells are as follows: Structural Configuration   Single-layer reticulated shell: Composed of a single layer of members, with the members directly connected to form a grid structure . The node configuration is relatively simple, typically employing rigid connections that allow the members to bear not only axial forces but also bending moments and shear forces.   Double-layer reticulated shell: Consists of upper and lower parallel layers of members connected by web members, forming a truss-like structural system. The nodes are generally hinged, and the members primarily bear axial forces. Its configuration is relatively complex, requiring more members and nodes to ensure structural stability and load-bearing capacity. Structure Single-layer mesh shell: composed of one layer of rods, the rods are directly connected to form a mesh structure, the node structure is relatively simple, usually...
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What are the differences between bolted ball grids and welded ball grids?

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 There are a number of differences between bolted ball grids and welded ball grids in terms of fabrication, construction and design. The following are specific comparisons: 1. Manufacturing process: The manufacturing of bolted ball net frame is mainly carried out in the factory, using mechanical shot blasting to remove rust, and then spraying paint, plastic spraying or zinc spraying treatment to enhance corrosion resistance.  The steel pipe and welded seam of welded ball mesh frame can only be descaled manually on site, and then paint or fireproof coating is brushed. For the welded part, it needs to be descaled and brushed at a stage to maintain, which increases the cost of later use and affects the safety of the structure. 2. Construction process: 70% of the workload of bolted ball grid frame is prefabricated in the factory, 30% of the workload is installed at the site, only a wrench is needed to tighten the bolts at the site, which is easy and fast, and can be constructed ...
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