Lightning Protection Design and Frequent Questions in Natural Grounding of Building

Aiming at the steel used in all kinds of foundation types,base earthing body was never specified in national standard,and frequent questions of designing of using building inner steel as earthing body,according to the requirements,methods of designing base earthing body in some national standard and atlas,normal foundation types like pile foundation,independent foundation,board and box foundation,design of lightning protection for earthing body were concluded in detail. It could provide references for designers.