Some common problems of steel structure gas station shed design

1. The selection of member specifications is unqualified, and there are over-stressed members and members with out-of-limit slenderness ratio
The selection of rod specifications is unreasonable. The grid size of the grid is large, but the selected rod specifications are too small, but what is the role is that the overstressed rods will find damage, causing structural failure, and the slenderness ratio exceeds the limit , Which indicates that the out-of-plane stability of the bar cannot meet the design requirements, and it is prone to instability failure.

2. The form and force of the support do not meet the actual specifications
The bearing is the main point of the gas station canopy, and its bearing capacity has an important impact on the bearing capacity of the canopy. If the form and force of the bearing do not meet the requirements of the design specification, the bearing capacity of the bearing will deteriorate and there is a potential safety hazard. .

3. The arrangement of the members does not meet the technical requirements in the design code that the members should form a geometrically invariant system
According to investigations, it is found that some bars around the canopy of many gas stations do not form a geometrically invariant system, and need to supplement bars to form a stable system before being put into use.

4. The material used to make the gas station canopy does not meet the product standard
For the construction of gas stations, the steel varieties, specifications and performance should meet the national product standards and design requirements. This is a mandatory installation and construction provision. If the materials do not meet the requirements, the materials cannot be entered on the construction site and used for engineering installation.

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