GB 50057-2010 第第4.2.1条条
- Class III lightning protection building: the spacing between down conductors shall not exceed **25m** ();
GB 50057-2010 第第4.2.1条条 Code for Design of Lightning Protection of Buildings
Other clauses of this standard
- GB 50057-2010 第1.0.1条Code for Design Protection of Structures Against Lightning
- GB 50057-2010 第1.0.2条Code for Design Protection of Structures Against Lightning
- GB 50057-2010 第1.0.3条Code for Design Protection of Structures Against Lightning
- GB 50057-2010 第1.0.4条Code for Design Protection of Structures Against Lightning
- GB 50057-2010 第1.0.5条Code for Design Protection of Structures Against Lightning
- GB 50057-2010 第1.0.6条Code for Design Protection of Structures Against Lightning
- GB 50057-2010 第第4.2.1条条Code for Design Protection of Structures Against Lightning
- GB 50057-2010 第第5.2.1条条Code for Design Protection of Structures Against Lightning
- GB 50057-2010 第2.0.1条Code for Design Protection of Structures Against Lightning
- GB 50057-2010 第2.0.2条Code for Design Protection of Structures Against Lightning
- GB 50057-2010 第2.0.3条Code for Design Protection of Structures Against Lightning
- GB 50057-2010 第2.0.4条Code for Design Protection of Structures Against Lightning
Still have a specific question? Ask a MEP expert
12 hotel MEP experts online, answers cite standard clauses you can verify.
Ask free →Engineering reference only — verify against project conditions and the latest codes.