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安装避雷针要多少钱
更新时间: 2020-08-11 22:27:00  

大楼避雷针普通的材料20.00元/米,30层楼的话一层按3.3米算就是(3.3*30*20)=1980元材料费加其它东西要看类型定.

家用的,最简单的在屋顶最高处用直径6毫米的钢筋围绕屋顶绕一圈,喜欢做针的话就用钢筋做个1-2米的针就行了,钢筋与屋顶间用钢筋支起来,支起高度20公分就行。

这个钢筋最后围完以后形成一个封闭的圈,用钢筋引到地面用L40或50角钢,长2.5米一个或多个(视土壤的湿度而定,多几根好)砸入地下角钢顶面距离地面大于半米,最后把屋顶引下的钢筋和角钢焊接起来,焊接长度10厘米就行了。这是最简单实用的避雷网。

关键词: 安装 避雷针 多少

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