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Uticaj zamene cementa krečnjačkim filerom na svojstva betona

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2021
TESIC-FILER-DGKS2020-2021.pdf (9.638Mb)
Authors
Tešić, Ksenija
Marinković, Snežana
Savić, Aleksandar
Conference object (Published version)
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Abstract
U radu su prikazana eksperimentalna ispitivanja jedne vrste zelenih betona kod kojih je Portland cement zamenjen sa dve vrste krečnjačkog filera istog porekla i mineraloškog sastava, a različite finoće mliva. Projektovano je deset mešavina kod kojih je 0%, 15%, 30% i 45% (maseno) cementa zamenjeno filerom. Vodocementni faktor bio je konstantan (w/c=0.54), dok je vodopraškasti opadao sa povećanjem procenta zamene. Izbor granulometrijskog sastava čestica izvršen je pomoću Fankovog i Dingerovog, kao i pomoću Fulerovog modela. Rezultati su pokazali da je moguće povećanje čvrstoće betona pri pritisku uz smanjenje 45% cementa, ali da buduća istraživanja treba usmeriti ka poboljšanju obradljivosti.
This paper presents an experimental research of one type of green concrete in which Portland cement was replaced with two types of limestone filler of the same origin and mineralogical composition, but with a different fineness of particles. Ten concrete mixtures were designed in which 0%, 15%, 30% and 45% (by mass) of cement were replaced with filler. The water to cement ratio for each mixture was constant (w/c=0.54), and the water to powder ratio was decreasing with increasing cement replacement. Particle size distribution was selected using Funk and Dinger, as well as using Fuller's model. The results showed that it is possible to increase the compressive strength of concrete by reducing 45% of cement, but further research should be focused on improving the workability.
Keywords:
beton / cement / krečnjački filer / emisije CO2 / concrete / cement / limestone filler / CO2 emission
Source:
Zbornik radova sa Nacionalnog simpozijuma DGKS / Društvo građevinskih konstruktera Srbije, Simpozijum 2020, 2021, 218-227
Publisher:
  • Univerzitet u Beogradu Građevinski fakultet
  • Društvo građevinskih konstruktera Srbije

ISBN: 978-86-7518-211-5 (GF)

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_grafar_2627
URI
https://grafar.grf.bg.ac.rs/handle/123456789/2627
Collections
  • Radovi istraživača / Researcher's publications
  • Катедра за материјале и конструкције
Institution/Community
GraFar
TY  - CONF
AU  - Tešić, Ksenija
AU  - Marinković, Snežana
AU  - Savić, Aleksandar
PY  - 2021
UR  - https://grafar.grf.bg.ac.rs/handle/123456789/2627
AB  - U radu su prikazana eksperimentalna ispitivanja jedne vrste zelenih betona kod kojih je Portland cement zamenjen sa dve vrste krečnjačkog filera istog porekla i mineraloškog sastava, a različite finoće mliva. Projektovano je deset mešavina kod kojih je 0%, 15%, 30% i 45% (maseno) cementa zamenjeno filerom. Vodocementni faktor bio je konstantan (w/c=0.54), dok je vodopraškasti opadao sa povećanjem procenta zamene. Izbor granulometrijskog sastava čestica izvršen je pomoću Fankovog i Dingerovog, kao i pomoću Fulerovog modela. Rezultati su pokazali da je moguće povećanje čvrstoće betona pri pritisku uz smanjenje 45% cementa, ali da buduća istraživanja treba usmeriti ka poboljšanju obradljivosti.
AB  - This paper presents an experimental research of one type of green concrete in which Portland cement was replaced with two types of limestone filler of the same origin and mineralogical composition, but with a different fineness of particles. Ten concrete mixtures were designed in which 0%, 15%, 30% and 45% (by mass) of cement were replaced with filler. The water to cement ratio for each mixture was constant (w/c=0.54), and the water to powder ratio was decreasing with increasing cement replacement. Particle size distribution was selected using Funk and Dinger, as well as using Fuller's model. The results showed that it is possible to increase the compressive strength of concrete by reducing 45% of cement, but further research should be focused on improving the workability.
PB  - Univerzitet u Beogradu Građevinski fakultet
PB  - Društvo građevinskih konstruktera Srbije
C3  - Zbornik radova sa Nacionalnog simpozijuma DGKS / Društvo građevinskih konstruktera Srbije, Simpozijum 2020
T1  - Uticaj zamene cementa krečnjačkim filerom na svojstva betona
EP  - 227
SP  - 218
UR  - https://hdl.handle.net/21.15107/rcub_grafar_2627
ER  - 
@conference{
author = "Tešić, Ksenija and Marinković, Snežana and Savić, Aleksandar",
year = "2021",
abstract = "U radu su prikazana eksperimentalna ispitivanja jedne vrste zelenih betona kod kojih je Portland cement zamenjen sa dve vrste krečnjačkog filera istog porekla i mineraloškog sastava, a različite finoće mliva. Projektovano je deset mešavina kod kojih je 0%, 15%, 30% i 45% (maseno) cementa zamenjeno filerom. Vodocementni faktor bio je konstantan (w/c=0.54), dok je vodopraškasti opadao sa povećanjem procenta zamene. Izbor granulometrijskog sastava čestica izvršen je pomoću Fankovog i Dingerovog, kao i pomoću Fulerovog modela. Rezultati su pokazali da je moguće povećanje čvrstoće betona pri pritisku uz smanjenje 45% cementa, ali da buduća istraživanja treba usmeriti ka poboljšanju obradljivosti., This paper presents an experimental research of one type of green concrete in which Portland cement was replaced with two types of limestone filler of the same origin and mineralogical composition, but with a different fineness of particles. Ten concrete mixtures were designed in which 0%, 15%, 30% and 45% (by mass) of cement were replaced with filler. The water to cement ratio for each mixture was constant (w/c=0.54), and the water to powder ratio was decreasing with increasing cement replacement. Particle size distribution was selected using Funk and Dinger, as well as using Fuller's model. The results showed that it is possible to increase the compressive strength of concrete by reducing 45% of cement, but further research should be focused on improving the workability.",
publisher = "Univerzitet u Beogradu Građevinski fakultet, Društvo građevinskih konstruktera Srbije",
journal = "Zbornik radova sa Nacionalnog simpozijuma DGKS / Društvo građevinskih konstruktera Srbije, Simpozijum 2020",
title = "Uticaj zamene cementa krečnjačkim filerom na svojstva betona",
pages = "227-218",
url = "https://hdl.handle.net/21.15107/rcub_grafar_2627"
}
Tešić, K., Marinković, S.,& Savić, A.. (2021). Uticaj zamene cementa krečnjačkim filerom na svojstva betona. in Zbornik radova sa Nacionalnog simpozijuma DGKS / Društvo građevinskih konstruktera Srbije, Simpozijum 2020
Univerzitet u Beogradu Građevinski fakultet., 218-227.
https://hdl.handle.net/21.15107/rcub_grafar_2627
Tešić K, Marinković S, Savić A. Uticaj zamene cementa krečnjačkim filerom na svojstva betona. in Zbornik radova sa Nacionalnog simpozijuma DGKS / Društvo građevinskih konstruktera Srbije, Simpozijum 2020. 2021;:218-227.
https://hdl.handle.net/21.15107/rcub_grafar_2627 .
Tešić, Ksenija, Marinković, Snežana, Savić, Aleksandar, "Uticaj zamene cementa krečnjačkim filerom na svojstva betona" in Zbornik radova sa Nacionalnog simpozijuma DGKS / Društvo građevinskih konstruktera Srbije, Simpozijum 2020 (2021):218-227,
https://hdl.handle.net/21.15107/rcub_grafar_2627 .

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