How to calculate the load of grid steel structure? The primary load of grid steel structure is divided into three types, namely effect load, permanent load and variable load. Generally speaking, the load includes the self weight of grid shell structure, the self weight of roof protection structure
How to calculate the load of grid steel structure? The primary load of grid steel structure is divided into three types, namely effect load, permanent load and variable load. Generally speaking, the load includes the self weight of grid shell structure, the self weight of roof protection structure, the load of suspended equipment pipe and the load of raceway. As for the storage bin, there are four kinds of variable loads, namely, roof load, snow load, wind load and ash load. Then how to calculate the load of the grid structure? Let’s learn next.
I. the ash load of grid structure steel construction is a kind of load that must be considered in the construction and metallurgical industry, which is unified in the whole country, about 0.5kn/m2 or lokn / m2. But if it is in the power plant or the coal industry, the production environment of the grid steel structure of the coal storage plant inside is relatively good, so it is not necessary to think about the ash load. Together, the snow load or the larger load in the roof load should be considered together with the ash load.
Second, the snow load is also the main load of the grid steel structure. The snow load is a sensitive load for the large-span structure. In many countries, the grid steel structure has collapsed in the snowy days. In the cold area with snow, we must consider the snow load. We should also consider the conditions of even, uneven and semi-uniform roof distribution.
3. There are three factors that affect the distribution of snow load on the roof, namely, wind factor, roof shape and roof slope factor. Snow load distributed unevenly in the steel structure of grid structure usually has control effect. In the rules, snow load usually needs to be considered together with ash load.
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