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廣州龍亭鋼結構廠房的核心結構特點是什么？

?廣州鋼結構廠房是以鋼材為主要承重結構的工業(yè)建筑，具有強度高、自重輕、施工速度快、抗震性能好等特點，廣泛應用于機械制造、倉儲物流、汽車工業(yè)、航空航天等領域。以下詳細介紹一下：

主體結構組成
鋼柱：支撐整個廠房的垂直荷載，多采用 H 型鋼或圓管鋼。
鋼梁：承受屋面和墻面荷載，分為主鋼梁（如屋面大梁）和次鋼梁（如檁條）。
鋼桁架：大跨度廠房中常用，由桿件通過節(jié)點連接形成三角形單元，跨度可達 30 米以上。
支撐系統(tǒng)：包括水平支撐（保證結構橫向穩(wěn)定）、垂直支撐（抵抗縱向風荷載和地震力）和系桿（傳遞水平力）。
圍護系統(tǒng)：墻面和屋面采用彩鋼板、夾芯板或金屬壓型板，兼具保溫、隔熱、防水功能。
材料特性
主要鋼材：Q235B（普通強度）、Q345B（高強度），部分高層或特殊荷載廠房采用 Q420 等更高強度鋼材。
防腐處理：鋼材表面需噴涂防銹漆、熱鍍鋅或采用耐候鋼（如 Corten 鋼），防止銹蝕。
防火處理：通過涂抹防火涂料（厚型或薄型）或包裹防火板材，滿足耐火極限要求（通常 1-3 小時）。

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