00762naa#a2200181#i#450# EN\\bibl\82377 20241127100732.3 1998-8990 20240426b2024####ek#y0engy0150####ca RU ON THE NEED TO REFINE THE CALCULATION METHODOLOGY FOR ASSESSING THE FIRE RESISTANCE LIMITS OF METAL STRUCTURES, TAKING INTO ACCOUNT THE DURATION OF THEIR OPERATION Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2024 12 с. Journal article local Прочие вопросы, касающиеся пожарной охраны. 614.849 Shakhabov Mayrbek M. Sivenkov Andrey B. journals.igps.ru