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O'zbekistonning yo'l-iqlim sharoitlari va transport yuklari uchun optimallashtirilgan ishlash darajali (PG) asfalt bog'lovchisini ishlab chiqish: reologik tavsiflash va gibrid polimer modifikatsiyasi

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MAQOLA ANNOTATSIYASI

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Ushbu tadqiqot O'zbekistonda qo'llaniladigan BND 50/70 asfalt bog'lovchisini tavsiflaydi va PG 76-28 ishlash darajasiga erishish uchun to'rtta polimer modifikatsiya strategiyasini baholaydi. Sinovlar aylanish viskozitesi, chaqnash nuqtasi, dinamik siljish reometri (DSR), yupqa plyonkali pechda qarish, ko'p bosqichli siljish tiklanishi (MSCR), bosimli qarish idishi va egilish nurlari reometri sinovlarini o'z ichiga oldi. Asosiy bog'lovchining o'rtacha viskozitesi 135 °C da 0,625 ± 0,038 Pa·s va o'rtacha chaqnash nuqtasi 270,0 ± 8,49 °C edi. Optimallashtirilgan formulada S(60) qiymati -18 °C da 170 MPa va m-qiymati 0,305 bo'lib, kritik past harorat taxminan -29,1 °C ni tashkil etdi va PG 76-28 deb tasniflandi.

MUALLIFLAR

S.Kurbonov

"TOSHKENT DAVLAT TRANSPORT UNIVERSITETI" DAVLAT MUASSASASI

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# O'zbekiston# asfalt bog'lovchi# ishlash darajasi# polimer modifikatsiyasi# MSCR# BBR

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