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Naslov:Evaluation of ash pozzolanic activity by means of the strength activity index test, frattini test and DTA/TG analysis
Avtorji:ID Dolenec, Sabina (Avtor)
ID Ducman, Vilma (Avtor)
Datoteke:URL URL - Izvorni URL, za dostop obiščite https://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=311137
 
.pdf PDF - Predstavitvena datoteka, prenos (1,05 MB)
MD5: 3D5DD0CE40504EB4AE0BFEF594D004CC
 
Jezik:Angleški jezik
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:Logo ZAG - Zavod za gradbeništvo Slovenije
Povzetek:The pozzolanic activity of five different types of ash was studied using various direct and indirect methods. In addition to strength activity index (SAI) determination and the Frattini test, ash pozzolanicity was assessed via differential thermal and thermogravimetric analyses (DTA/TG) after curing for 7, 28 and 90 days. The results showed that, due to their respective mineralogical, chemical and physical characteristics, the ashes exhibited different levels of pozzolanic activity in terms of the amount of lime with which they could chemically bind, as well as reaction kinetics. Although SAI and Frattini test results were not in agreement in the case of some of the ashes, DTA/TG analysis revealed that a certain amount of portlandite was consumed, thus confirming the occurrence of a pozzolanic reaction. The results also showed that ashes with higher amounts of reactive SiO2 were more reactive, while those with higher BET surface areas displayed a faster pozzolanic reaction rate.
Ključne besede:biomass ash, DTA/TG, fly ash, Frattini test, pozzolanic activity, SAI
Status publikacije:Objavljeno
Verzija publikacije:Objavljena publikacija
Datum objave:16.12.2018
Založnik:Strojarski fakultet, Elektrotehnički fakultet, Građevinski fakultet
Leto izida:2018
Št. strani:str. 1746-1752
Številčenje:Vol. 25, no. 6
PID:20.500.12556/DiRROS-17495 Novo okno
UDK:620.1/.2
ISSN pri članku:1848-6339
DOI:10.17559/TV-20171203193229 Novo okno
COBISS.SI-ID:2416487 Novo okno
Avtorske pravice:© Tehnički vjesnik, 2018
Opomba:
Datum objave v DiRROS:11.12.2023
Število ogledov:192
Število prenosov:94
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
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Gradivo je del revije

Naslov:Tehnički vjesnik
Skrajšan naslov:Teh. vjesn.
Založnik:Strojarski fakultet, Elektrotehnički fakultet, Građevinski fakultet
ISSN:1848-6339
COBISS.SI-ID:526608665 Novo okno

Gradivo je financirano iz projekta

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:P2-0273
Naslov:Gradbeni objekti in materiali

Licence

Licenca:CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:lesni pepel, DTA/TG, elektrofiltrski pepel, Frattinijev test, pucolanska aktivnost, SAI


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