Joke Collection Website - Mood Talk - Why use 16 steel bar for tunnel grounding? Is it round steel or rebar? Is it bigger or smaller? Thank you.
Why use 16 steel bar for tunnel grounding? Is it round steel or rebar? Is it bigger or smaller? Thank you.
It is reasonable to specify φ 16 on the drawing. Can be a grounding grid, as a grounding body must have enough cross-section. If it is only the down lead, it shall not be less than φ 12. But you can't just listen to the user's own changes, you must have a written basis. As for the material, HPB235, HPB300, HRB335 and HRB400 have little to do with it. Just use round steel HPB235.
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