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Application of fly ash to reduce soil dispersivity in embankments

Authorized Users Only
2021
Authors
Đoković, Ksenija
Hadži-Niković, Gordana
Šušić, Nenad
Article (Published version)
Metadata
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Abstract
Due to rapid development of modern highways and railroad in Serbia, the need for embankment materials has increased. Deposits of natural materials used for this purpose often contain dispersive soils. On the other hand, thermal power plants in Serbia annually generate several million tons of fly ash, which could be used to reduce the dispersion of material embedded in embankments. The paper presents the results of tests conducted for the first time in Serbia to assess the improvement in natural soil dispersivity with fly ash from a thermal power plant. The dispersivity of mixtures of fly ash and natural soil was tested according to ASTM and BS standards. To determine the optimal ash content, 10, 30 or 50% of fly ash was added to the soil samples. The results show that 30-50% of fly ash reduces the dispersivity of natural soil for one to two dispersion classes.
Keywords:
soil stabilization / pinhole test / loess / fly ash / fly ash - soil mixture / double hydrometer test / dispersive soils / crumb test
Source:
Comptes Rendus de l Academie Bulgare des Sciences, 2021, 74, 6, 890-898
Publisher:
  • Publ House Bulgarian Acad Sci, Sofia
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200012 (Istitute of Material Testing of Serbia - IMS, Belgrade) (RS-200012)

DOI: 10.7546/CRABS.2021.06.11

ISSN: 1310-1331

WoS: 000672832200011

Scopus: 2-s2.0-85108986787
[ Google Scholar ]
1
URI
http://rims.institutims.rs/handle/123456789/401
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
Institut za ispitivanje materijala
TY  - JOUR
AU  - Đoković, Ksenija
AU  - Hadži-Niković, Gordana
AU  - Šušić, Nenad
PY  - 2021
UR  - http://rims.institutims.rs/handle/123456789/401
AB  - Due to rapid development of modern highways and railroad in Serbia, the need for embankment materials has increased. Deposits of natural materials used for this purpose often contain dispersive soils. On the other hand, thermal power plants in Serbia annually generate several million tons of fly ash, which could be used to reduce the dispersion of material embedded in embankments. The paper presents the results of tests conducted for the first time in Serbia to assess the improvement in natural soil dispersivity with fly ash from a thermal power plant. The dispersivity of mixtures of fly ash and natural soil was tested according to ASTM and BS standards. To determine the optimal ash content, 10, 30 or 50% of fly ash was added to the soil samples. The results show that 30-50% of fly ash reduces the dispersivity of natural soil for one to two dispersion classes.
PB  - Publ House Bulgarian Acad Sci, Sofia
T2  - Comptes Rendus de l Academie Bulgare des Sciences
T1  - Application of fly ash to reduce soil dispersivity in embankments
EP  - 898
IS  - 6
SP  - 890
VL  - 74
DO  - 10.7546/CRABS.2021.06.11
ER  - 
@article{
author = "Đoković, Ksenija and Hadži-Niković, Gordana and Šušić, Nenad",
year = "2021",
abstract = "Due to rapid development of modern highways and railroad in Serbia, the need for embankment materials has increased. Deposits of natural materials used for this purpose often contain dispersive soils. On the other hand, thermal power plants in Serbia annually generate several million tons of fly ash, which could be used to reduce the dispersion of material embedded in embankments. The paper presents the results of tests conducted for the first time in Serbia to assess the improvement in natural soil dispersivity with fly ash from a thermal power plant. The dispersivity of mixtures of fly ash and natural soil was tested according to ASTM and BS standards. To determine the optimal ash content, 10, 30 or 50% of fly ash was added to the soil samples. The results show that 30-50% of fly ash reduces the dispersivity of natural soil for one to two dispersion classes.",
publisher = "Publ House Bulgarian Acad Sci, Sofia",
journal = "Comptes Rendus de l Academie Bulgare des Sciences",
title = "Application of fly ash to reduce soil dispersivity in embankments",
pages = "898-890",
number = "6",
volume = "74",
doi = "10.7546/CRABS.2021.06.11"
}
Đoković, K., Hadži-Niković, G.,& Šušić, N.. (2021). Application of fly ash to reduce soil dispersivity in embankments. in Comptes Rendus de l Academie Bulgare des Sciences
Publ House Bulgarian Acad Sci, Sofia., 74(6), 890-898.
https://doi.org/10.7546/CRABS.2021.06.11
Đoković K, Hadži-Niković G, Šušić N. Application of fly ash to reduce soil dispersivity in embankments. in Comptes Rendus de l Academie Bulgare des Sciences. 2021;74(6):890-898.
doi:10.7546/CRABS.2021.06.11 .
Đoković, Ksenija, Hadži-Niković, Gordana, Šušić, Nenad, "Application of fly ash to reduce soil dispersivity in embankments" in Comptes Rendus de l Academie Bulgare des Sciences, 74, no. 6 (2021):890-898,
https://doi.org/10.7546/CRABS.2021.06.11 . .

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