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惠州天心鋼結構工程對于鋼柱連接工藝有什么介紹？

?惠州鋼結構工程對于鋼柱之間的連接常采用坡口電弧焊接連接。主梁與鋼柱間的連接，正常上、下翼緣用坡口電弧焊接連接，而腹板用高強螺栓連接。

次梁與主梁的連接根本上是在腹板處用高強螺栓連接，小批再在上、下翼緣處用坡口電弧焊接連接，柱與梁的鉚接次第，先鉚接頂部柱、梁節(jié)點，再鉚接底部柱、梁節(jié)點，最初鉚接兩頭全體的柱、梁節(jié)點。

坡口電弧焊接連接應先辦好預備(容納焊條烘焙、坡口審查、設電弧引入、引來板和鋼墊板，并點焊流動，肅清鉚接坡口、周邊的防銹漆和雜物，鉚接電傳熱)。柱與柱的對接鉚接，采用二人同聲對稱鉚接，柱與梁的鉚接亦應在柱的兩側對稱同聲鉚接，以縮小鉚接變形和殘存應力。

關于厚板的坡口焊，鋼結構公司打底層焊多用直徑4mm焊條鉚接，兩頭層可用5mm或者6mm焊條，蓋面層多用直徑5mm焊條。鋼結構三層應陸續(xù)施焊，每一層焊完后及時清渣。焊縫余高不勝于對接焊體中較薄鋼板厚的1/10，但也不應大于3.2mm。焊后當氣溫低于0℃時，用石棉布保溫使焊縫湍急結冰。焊縫品質檢驗均按二級檢驗。

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