00767naa#a2200205#i#450# EN\\bibl\101046 20260320000247.5 2071-7318 20260310b2026####ek#y0engy0150####ca ENG RU MECHANICAL AND MICROSTRUCTURAL BEHAVIOR OF CONCRETE WITH LDPE WASTE AS PARTIAL FINE AGGREGATE REPLACEMENT Journal article Belgorod Belgorod State Technological University named after V.G. Shukhov 2026 10 с. Journal article local Строительные материалы и изделия. 691 ENG Obeid Mahmoud Abdelsalam Aref Abu-Mahadi Mohammed Ibragim Nasrat Nasratulla Abdul Gafur bulletinbstu.editorum.ru