The steel roof collapsed because of the snow. I'll find someone who can help.

Cause of accident: 1. Insufficient bearing capacity, calculation error of beam bearing capacity:

2. The material of the main girder is too simple;

3. Improper drainage during construction;

4. Is the welding interface a welding standard?

Solution: 1 Bold beam:

2. Do a good job of drainage gap

Design a stable structure

4. Adopt a reasonable interface for painting protection.

5. Make contingency plans for accidents.

The above treatment plan is a personal opinion and does not assume any responsibility!