鋁(lv)鎂錳板屋(wu)(wu)面(mian)由于是金屬屋(wu)(wu)面(mian),避(bi)雷是必須要(yao)解決的(de)問題。鋁(lv)鎂錳板屋(wu)(wu)面(mian)施工時經過設置專用(yong)的(de)避(bi)雷節點,將(jiang)金屬屋(wu)(wu)面(mian)板與(yu)下(xia)鋼結構上(shang)下(xia)連通,構成回路,使屋(wu)(wu)面(mian)電流經過金屬物的(de)上(shang)下(xia)傳遞,導入地上(shang)。
依據《建筑物(wu)防雷設計(ji)規(gui)范》第4.1.4條規(gui)則:當(dang)金屬板(ban)下(xia)無易燃物(wu)品,板(ban)厚(hou)≥0.5mm時,鋁鎂錳板(ban)屋(wu)面可作為(wei)接閃器(qi)。
鋁(lv)鎂錳(meng)(meng)板屋(wu)面(mian)(mian)(mian)施工時經(jing)(jing)過設(she)置(zhi)專用(yong)的(de)避(bi)雷(lei)節點,將(jiang)鋁(lv)鎂錳(meng)(meng)板屋(wu)面(mian)(mian)(mian)的(de)面(mian)(mian)(mian)板與(yu)(yu)下(xia)(xia)(xia)(xia)鋼(gang)(gang)結(jie)構(gou)上下(xia)(xia)(xia)(xia)連(lian)(lian)通,構(gou)成(cheng)回路,使鋁(lv)鎂錳(meng)(meng)板屋(wu)面(mian)(mian)(mian)電流(liu)經(jing)(jing)過金(jin)屬物(wu)的(de)上下(xia)(xia)(xia)(xia)傳遞(di),導(dao)(dao)(dao)(dao)入地上。屋(wu)面(mian)(mian)(mian)體系防(fang)雷(lei)處置(zhi),首(shou)(shou)要以屋(wu)面(mian)(mian)(mian)板及鋼(gang)(gang)銜接件連(lian)(lian)通,作為(wei)防(fang)雷(lei)節點,使電流(liu)能上下(xia)(xia)(xia)(xia)傳遞(di)。鋁(lv)鎂錳(meng)(meng)板屋(wu)面(mian)(mian)(mian)為(wei)導(dao)(dao)(dao)(dao)電金(jin)屬物(wu)體,其下(xia)(xia)(xia)(xia)鋼(gang)(gang)檁(lin)條(tiao)等與(yu)(yu)鋼(gang)(gang)結(jie)構(gou)相連(lian)(lian),可直接傳導(dao)(dao)(dao)(dao)電流(liu)。因為(wei)鋁(lv)合(he)金(jin)與(yu)(yu)鋼(gang)(gang)二(er)種(zhong)資料的(de)物(wu)理性(xing)能區別(bie),為(wei)避(bi)免二(er)者觸(chu)摸導(dao)(dao)(dao)(dao)致電化(hua)學反響(xiang),在(zai)設(she)計時,咱們在(zai)二(er)者銜接處設(she)置(zhi)了絕緣物(wu),首(shou)(shou)要表現為(wei)鋁(lv)合(he)金(jin)支(zhi)座下(xia)(xia)(xia)(xia)部的(de)隔熱墊片。為(wei)了使之上下(xia)(xia)(xia)(xia)連(lian)(lian)通,咱們在(zai)鋁(lv)鎂錳(meng)(meng)合(he)金(jin)板屋(wu)面(mian)(mian)(mian)大將(jiang)安(an)置(zhi)避(bi)雷(lei)網線,經(jing)(jing)過鍍鋅鋼(gang)(gang)帶,將(jiang)支(zhi)座上的(de)電流(liu)導(dao)(dao)(dao)(dao)入下(xia)(xia)(xia)(xia)部檁(lin)條(tiao),和鋼(gang)(gang)結(jie)構(gou)連(lian)(lian)成(cheng)一全體。避(bi)雷(lei)點的(de)設(she)置(zhi)依(yi)照(zhao)10×10米網格安(an)置(zhi),在(zai)整個屋(wu)面(mian)(mian)(mian)構(gou)成(cheng)網狀布設(she)。