The main load of the steel space frame structure is divided into three kinds, which are action load, permanent load and variable load. Generally speaking,the load includes the self-weight of the space frame structure, the self-weight of the roof maintenance structure,the load of the suspension equipment and the load of the cat walk. For storage silos, there are four main kinds of variable loads, namely roof live load, snow load, wind load and dust load,so how to calculate the load of the steel space frame structure?Now let's learn about it.
1. Dust load of steel space frame structure is a kind of load that must be considered in the construction and metallurgy industry, which is unified, about 0.5KN/m2 or 1.0KN/m2.However,if it is in the power plant or the coal industry, the production environment of the steel space frame structure of coal storage plant is relatively good,and the dust load can be ignored. At the same time, the large load between snow load and roof load should be considered together with the dust load.
2. Snow load is also the important load of the steel space frame structure,and the snow load is a sensitive load for the structure with large span. There have been accidents in many countries where the steel space frame structure collapsed during the heavy snow. Snow loadsmust be considered in cold areas with snow, and the uniform, non-uniform and semi-uniform distribution of snow load on the roof should also be taken into account.
3. There are three main factors affecting the distribution of snow load on the roof, including wind factor, roof shape and roof slope factor. In the engineering of the steel space frame structure,the uneven distribution of snow load will have control effect. In the regulations, the snow load should be considered together with the dust load.
The above is the information of how to calculate the load of the steel space frame structure.
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