Which is better, lightning rod and lightning belt?
The lightning rod can also be called a lightning arrester, and its main function can be seen from its name. The general practice of lightning protection for high-rise buildings: roof laying, lightning protection belts, open installations or concealed installations, and lightning rods are installed above the metal parts of important equipment or roofing. To consider the problem of lightning protection of high-rise Sideswipe generally along the building, peripheral laying equalizing ring (the 30 meters below the building is not considered).
If you want to do lightning protection, the roof of the satellite antenna is necessary. Grounding grid after the grounding must be connected with the earth and reliable connection, in order to truly play the role of lightning protection. If your home ground is deep enough, and the reinforced foundation can be used as a good contact with the earth grounding, if the effect is not good can choose a few together. To select several groups throughout the steel from the down on (not less than 12 of the two groups.) as lightning protection downlead, grounding all lightning protection downlead and reliable connection, so as to form a complete and effective lightning protection system.
The roof lightning with general practice: galvanized flat steel (usually 40*4, round can, not less than 12 meters or two) made of 10*10 12*8 m grid, then with lightning protection downlead (if the grounding electrode connected with steel columns would be connected, are generally welding).
I think the roof of your building must have a steel mesh, and this is welded with the steel bar of the column. It is a natural lightning belt. Of course, the grounding effect of the steel wire mesh must be ensured. If the roof has an antenna, or anything else, there is no problem with a lightning rod
General construction of small structures, steel connections, used as lightning protection connection is not, but the effect is not good, if the main line is broken, the impact on the big, and if qualified, it is strongly recommended welding.
