Featured Articles

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

-
图片
  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...
发表评论

Structural Characteristics of Steel Tube Joist

-

 As a structural engineer, I would look at the following aspects of analysing a steel tube joist:

truss roof

I. Structural characteristics:

1. Simple structure: Pipe truss structure is connected by several sets of pipe rods and nodes, which does not need a large number of parts, so the structure is very simple. This design not only makes installation and dismantling faster and more convenient, but also reduces the manufacturing cost.

2. Light weight: Pipe trusses are made of lightweight materials and the overall weight is light. This helps to reduce the load of the building itself and improve the load-bearing capacity of the building.

3. High Strength: The tube truss structure is made of high strength materials such as steel pipe, so the whole structure has high load bearing capacity and wind resistance. It can withstand larger loads and external impacts to ensure the stability and safety of the building.

4. Good anti-seismic performance: Due to the stability and flexibility of tube truss structure, it can effectively reduce the influence of earthquake on building structure. When earthquake occurs, tube truss can absorb seismic energy and reduce the damage of earthquake to the building.

5. Equal stability in all directions: The stability of tube truss structure is the same in all directions, which makes it more flexible in the design process and saves the amount of materials at the same time.

Second, design points:

1. Layout of rods: In the design of large-span steel space pipe joist, the layout of rods has a very important influence on the integrality and spatiality of the structure. The design of truss rods should meet the requirements of structural balance and inclined rod balance to avoid structural damage under the action of earthquake or wind.

2. Node design: The design of nodes is the key factor to restrict the safety of pipe truss structure. The design scheme of nodes should meet the rigidity and stability requirements of the structure, meanwhile, the connection between nodes and the outside world should be considered, and the balance of force between steel tubes should be considered carefully.

3. Modelling and simulation: Due to the complexity of steel pipe joist, problems such as complex rod system and non-linear geometric conditions often occur in the design process. Therefore, it is very important to establish an accurate truss model. Through modelling and simulation, the performance of the structure can be predicted to ensure the accuracy and reliability of the design.

III. Economy

1. Economical material: Pipe truss structure is more economical in steel consumption, especially compared with net frame structure, its unique superiority and practicality make the material consumption more economical.

2. Convenient fabrication and installation: it is easier to fabricate, install, turn over and lift the pipe joist, which helps to reduce the construction cost and time cost.

IV.Aesthetics

1. Beautiful appearance: tube truss structure has beautiful appearance and can be built into various shapes such as flat plate shape, round arch shape, arbitrary curve shape and so on, which has certain decorative effect. This makes tube joist structure widely used in public buildings and other fields.

💛To sum up, steel pipe truss has the features of simple structure, light weight, high strength, good seismic performance, etc. Meanwhile, its design points include rod layout, node design, modelling and simulation. It also has obvious advantages in economy and aesthetics. Therefore, steel pipe trusses are widely used in actual projects.

评论

发表评论

此博客中的热门博文

What is a coal bunker?

-
图片
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...
阅读全文

What is the difference between a single-layer reticulated shell and a double-layerreticulated shell?

-
图片
  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...
阅读全文

What are the differences between bolted ball grids and welded ball grids?

-
图片
 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 ...
阅读全文