Due to the high cost of the anti-corrosion ion grounding body and in order to effectively reduce the quantities of materials and save engineering investment,quickly determining whether need to configure anti-corrosion ion grounding body in the valve chest in high soil resistivity areas and further reducing its quantities in allocation must be cleared in the design stage by engineers.By mathematical calculation method,the result of mathematical for the anticorrosion ion grounding body configuration is got by the form of mathematical method.On the basis,increasing the length of level earthing body in the finite field area could effectively reduce the quantities of anticorrosion ion grounding body.%由于防腐离子接地体造价较高,为有效减少其使用数量,节约工程投资费用,在高土壤电阻率地区的接地计算中,如何快速确定阀室是否需要配置防腐离子接地体,并在需要配置时进一步减少其使用数量是工程师在设计阶段必须明确的问题.通过数学计算的方法,用数学计算的方式给出配置离子接地体的计算结果,并在此基础上在有限场区面积内增大水平接地体的长度,可以有效减少离子接地体的使用数量.
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