GB 50016-2014 (2018年版) 第3.3.1条
| Except for Class A industrial buildings, fire compartments in industrial buildings shall be separated by fire walls, and the fire resistance rating of fire walls shall not be less than 3.00 h; when fire shutter assemblies are used as substitutes, their fire resistance rating shall not be less than 3.00 h and shall comply with the requirements of the current national standard GB/T 7633, Fire resistance tests for door and shutter assemblies.