接地网的建设（Construction of grounding network）.docVIP

接地网的建设（Construction of grounding network） Abstract: this paper introduces the common ground network and the factors that affect the grounding resistance, and the geological, soil and construction processes should be considered in the construction of the ground network, and the properties of the common ground materials are compared. 1. An overview of the Grounding system is the most difficult and important component in the construction of lightning protection engineering. System grounding engineering is mainly composed of grounding body, cable networks, including several factors affecting the grounding effect of soil resistivity, the choice of grounding body. Corrosion of grounding materials and reasonable cloth row grounding network. Choice of earthing material In different industries, the grounding materials used in different regions are different, and the most popular ground materials used in the market are metal materials, mainly copper plates, Angle steel and flat steel. However, due to the different grounding environment and user demand, it is not the same. In some environments and situations, metal grounding materials are not suitable for use, such as the ability of metal grounding materials in highly corrosive soils to be corroded in a very short time. Different grounding materials have different characteristics. According to their characteristics, the use of the environment is a problem that should be considered in the early stage of grounding engineering. The type of ground material 2.1.1 metal grounding material From the late 80 s to now occupy the top of the ground material is still the metal grounding material (here mainly refers to copper and steel), due to its good conductivity and economy is one of the most important material in the ground engineering, but because of the metal material corrosion problems, docking the influence of the resistance is bigger, also is a big hidden danger of safety production, this problem has been plagued by the user. Gene