GB 50205-2001 钢结构工程施工质量验收规范

目 次 1 总 则........................................................................................9 2 术语、符号................................................................................. 10 2.1 术 语........................................................................................10 2.2 符 号........................................................................................11 3 基本规定 .................................................................................... 12 4 原材料及成品进场 ...................................................................... 14 4.1 一般规定 ......................................................................................14 4.2 钢 材........................................................................................14 4.3 焊 接 材 料 ................................................................................15 4.4 连接用紧固标准件 .......................................................................15 4.5 焊 接 球 ..................................................................................16 4.6 螺 栓 球 ..................................................................................17 4.7 封板、锥头和套筒 .......................................................................18 4.8 金属压型板 ..................................................................................18 4.9 涂装材料 ......................................................................................18 4.10 其他 ............................................................................................19 5 钢结构焊接工程 .......................................................................... 20 5.1 一 般 规 定 ................................................................................20 5.2 钢构件焊接工程...........................................................................20 5.3 焊钉(栓钉)焊接工程 ....................................................................22 6 紧固件连接工程 .......................................................................... 24 6.1 一 般 规 定 ................................................................................24 6.2 普通紧固件连接...........................................................................24 6.3 高强度螺栓连接...........................................................................24 7 钢零件及钢部件加工工程 ............................................................ 27 7.1 一 般 规 定 ................................................................................27 7.2 切 割........................................................................................27 7.3 矫正和成型 ..................................................................................28 第 7 页 7.3 矫正和成型 ..................................................................................28 7.4 边 缘 加 工 ................................................................................31 7.5 管、球加工 ..................................................................................32 7.6 制 孔........................................................................................33 8 钢构件组装工程 .......................................................................... 36 8.1 一 般 规 定 ................................................................................36 8.2 焊接 H 型钢..................................................................................36 8.3 组 装........................................................................................36 8.4 端部铣平及安装焊缝坡口............................................................37 8.5 钢构件外形尺寸...........................................................................37 9 钢构件预拼装工程 ...................................................................... 39 9.1 一 般 规 定 ................................................................................39 9.2 预 拼 装 ..................................................................................39 10 单层钢结构安装工程 ................................................................. 40 10.1 一 般 规 定 ..............................................................................40 10.2 基础和支承面.............................................................................40 10.3 安装和校正.................................................................................42 11 多层及高层钢结构安装工程 ....................................................... 46 11.1 一般规定.....................................................................................46 11.2 基础和支承面.............................................................................46 11.3 安装和校正.................................................................................48 12 钢网架结构安装工程 ................................................................. 52 12.1 一 般 规 定 ..............................................................................52 12.2 支承面顶板和支承垫块 .............................................................52 12.3 总拼与安装.................................................................................53 13 压型金属板工程 ........................................................................ 56 13.1 一 般 规 定 ..............................................................................56 13.2 压型金属板制作.........................................................................56 13.3 压型金属板安装.........................................................................57 14 钢结构涂装工程 ........................................................................ 59 14.1 一 般 规 定 ..............................................................................59 第 8 页 14.2 钢结构防腐涂料涂装 .................................................................59 14.3 钢结构防火涂料涂装 .................................................................60 15 钢结构分部工程竣工验收 .......................................................... 62 附录 A 焊缝外观质量标准及尺寸允许偏差 ...................................... 64 附录 B 紧固件连接工程检验项目 .................................................... 66 附录 C 钢构件组装的允许偏差 ....................................................... 71 附录 D 钢构件预拼装的允许偏差.................................................... 81 附录 E 钢结构安装的允许偏差 ....................................................... 82 附录 F 钢结构防火涂料涂层厚度测定方法 ...................................... 88 附录 G 钢结构工程有关安全及功能的检验和见证检测项目.............. 90 附录 H 钢结构工程有关观感质量检查项目 ...................................... 91 附录 J 钢结构分项工程检验批质量验收记录表 ................................ 92 本规范用词说明 ............................................................................. 1062325