BS476-21：建筑材料和構件的防火測試.第21部分:承重構件耐火的測試方法
BS 476-21：Fire Tests on Building Materials and Structures Part 21: Methods for Determination of the Fire Resistance of Load bearing Elements of Construction
Abstract 摘要
Fire tests, Fire resistance, Heating tests, Construction systems parts, Beams, Columns, Structural members, Floors, Flat roofs, Roofs, Walls, Test specimens, Dimensions, Testing conditions, Loadbearing walls
