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BS476-20 : 1987

Действует
Fire tests on building materials and structures. Method for determination of the fire resistance of elements of construction (general principles) — 50 стр.
General details of test conditions, specimens, apparatus and criteria for fire resistance testing. Appendices give general guidance information, method for residual loadbearing capacity and operating instructions.
ICS
13.220.50 Fire-resistance of building materials and elements / Огнестойкость строительных материалов и элементов