防雷接地工程设计需要掌握那些技术

 防雷系统    |      2019-06-26

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1、搭接长度:圆钢与扁钢搭接为圆钢直径的6倍,双面施焊。扁钢与钢管,扁钢与角钢焊接,紧贴角钢外侧两面,或紧贴3/4钢管表面,上下双侧施焊。扁钢与扁钢搭接为扁钢宽度的2倍,不少于三面施焊。
2、焊缝要求:焊缝应饱满并有足够的机械强度,不得有夹渣、咬肉、裂纹、虚焊、气孔等缺陷,焊接处的药皮要敲净。
3、引下线与梁钢筋跨接。
4、利用柱主筋作防雷引下线时,主筋连接的两端应作跨接处理。
5、总等电位和局部等电位根据设计要求,用镀锌扁铁引出。
7080棋牌 6、引下线应采用油漆做标记,防止错焊导致上下不连通。


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