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Zagrebačka glina poboljšana različitim vezivima ; Zagreb clay improved with various binders
U radu su prikazani rezultati laboratorijskog ispitivanja uzoraka gline s dva lokaliteta u gradu Zagrebu, pomiješane s letećim pepelom, zgurom i cementom. U laboratorijskim uvjetima su pripremljeni kompozitni uzorci mješavina gline s vezivima koji su u omjerima od 5 %, 10 % i 20 % dodani glini, te ispitani u različitim vremenskim intervalima sazrijevanja od 7, 14 i 28 dana. Ispitan je i analiziran utjecaj različitog tipa i udjela veziva te starosti kompozitnog uzorka na vlažnost i na jednoosnu tlačnu čvrstoću. Dobiveni rezultati pokazuju da se primjenom cementa, letećeg pepela i zgure mogu poboljšati fizikalna i mehanička svojstva zagrebačke gline, u ovisnosti o količini veziva i vremenu sazrijevanja kompozita. ; The paper presents the results of laboratory testing of clay samples from two localities in the city of Zagreb, mixed with fly ash, slag and cement. Under laboratory conditions, composite samples of clay mixtures with binders were prepared, where the binders are added to the clay in ratios of 5 %, 10 % and 20 %, and tested at different maturation time intervals of 7, 14 and 28 days. The influence of different type and amount of binder and age of the composite sample on moisture and uniaxial compressive strength was examined and analysed. The obtained results show that the utilization of cement, fly ash and slag can improve the physical and mechanical properties of Zagreb clay, depending on the amount of binder and the maturation time of the composite.
Zagrebačka glina poboljšana različitim vezivima ; Zagreb clay improved with various binders
U radu su prikazani rezultati laboratorijskog ispitivanja uzoraka gline s dva lokaliteta u gradu Zagrebu, pomiješane s letećim pepelom, zgurom i cementom. U laboratorijskim uvjetima su pripremljeni kompozitni uzorci mješavina gline s vezivima koji su u omjerima od 5 %, 10 % i 20 % dodani glini, te ispitani u različitim vremenskim intervalima sazrijevanja od 7, 14 i 28 dana. Ispitan je i analiziran utjecaj različitog tipa i udjela veziva te starosti kompozitnog uzorka na vlažnost i na jednoosnu tlačnu čvrstoću. Dobiveni rezultati pokazuju da se primjenom cementa, letećeg pepela i zgure mogu poboljšati fizikalna i mehanička svojstva zagrebačke gline, u ovisnosti o količini veziva i vremenu sazrijevanja kompozita. ; The paper presents the results of laboratory testing of clay samples from two localities in the city of Zagreb, mixed with fly ash, slag and cement. Under laboratory conditions, composite samples of clay mixtures with binders were prepared, where the binders are added to the clay in ratios of 5 %, 10 % and 20 %, and tested at different maturation time intervals of 7, 14 and 28 days. The influence of different type and amount of binder and age of the composite sample on moisture and uniaxial compressive strength was examined and analysed. The obtained results show that the utilization of cement, fly ash and slag can improve the physical and mechanical properties of Zagreb clay, depending on the amount of binder and the maturation time of the composite.
Zagrebačka glina poboljšana različitim vezivima ; Zagreb clay improved with various binders
Lebo, Željko (author) / Bačić, Mario (author) / Jurić Kaćunić, Danijela (author) / Kovačević, Meho Saša (author)
2021-01-01
Građevinar ; ISSN 0350-2465 (Print) ; ISSN 1333-9095 (Online) ; Volume 73 ; Issue 09.
Article (Journal)
Electronic Resource
English , Croatian
DDC:
690
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