00572naa#a2200169#i#450# EN\\bibl\81766 20260519022407.2 2071-7318 20240712b2024####ek#y0engy0150####ca RU ANALISYS OF PERLITE ADDITIVE AS INTERNAL CURE AGENT IN CEMENT CONCRETE SYSTEM Journal article Belgorod Belgorod State Technological University named after V.G. Shukhov 2024 9 с. Journal article local Неармированный бетон. 691.327 Sidorova A. S. zh-szf.ru