北京某大型圖書館鋼結構加工制作施工方案（魯班獎 鋼桁架 超厚板）

1、目錄1總則.................................................................31.1適用范圍..............................................................31.2工程概況..............................................................31.3編制依據(jù)..

2、............................................................52材料..................................................................62.1鋼材...................................................................62.2焊材...........

3、.......................................................62.3高強度螺栓.............................................................72.4栓釘..................................................................72.5油漆.................

4、..................................................72.6原材料質量控制.........................................................73加工制作工藝............................................................93.1放樣............................

5、.......................................93.2號料、劃線.............................................................93.3切割、銑削加工.........................................................93.4制孔.....................................

6、.............................133.5組裝..................................................................143.6箱型柱、梁制作工藝....................................................173.7焊接H型鋼梁制作工藝.....................................

7、.............283.7.1制作流程............................................................283.7.2各工序加工要領......................................................283.8熱軋H型鋼制作工藝....................................................31

8、3.8.1制作加工流程........................................................313.8.2熱軋H型鋼梁的制作要領..............................................314.鋼結構制作工藝要點.....................................................334.1箱型柱制作工藝要點（以HJ25為例）

9、....................................334.2屋架桁架的制作工藝要點................................................344.3巨型桁架的制作要點....................................................375焊接工藝...............................................

10、................471總則1.1適用范圍本方案適用于二期工程暨工程鋼結構的加工制作。1.2工程概況1.2.11.2.1工程簡介工程簡介二期工程暨工程，是國家重點文化建設項目，位于北京市號，主要建筑內容為數(shù)字圖書館的大型計算機機房、數(shù)字資源存儲機房、數(shù)字處理間及數(shù)字圖書館輔助用房等，占地2.2萬m2，總建筑面積8萬m2，底層建筑面積約1.1萬m2，建筑總高度約27米。建筑外形效果圖：二期的主樓由地下三層和地上五層組成；地下