Utilization of ash from power plants for high embankments on soft soil

The ash landfills are a major environmental issue. The use of ash for the highway and railway substructure achieves a double benefit: it significantly reduces the deposited quantities of ash as well as the consumption of natural materials such as crushed stone, gravel and sand. The investigation of...

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Main Authors: Jocković Sanja, Pujević Veljko, Marjanović Miloš
Format: Article
Language:English
Published: EDP Sciences 2018-01-01
Series:MATEC Web of Conferences
Online Access:https://doi.org/10.1051/matecconf/201823905017
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author Jocković Sanja
Pujević Veljko
Marjanović Miloš
author_facet Jocković Sanja
Pujević Veljko
Marjanović Miloš
author_sort Jocković Sanja
collection DOAJ
description The ash landfills are a major environmental issue. The use of ash for the highway and railway substructure achieves a double benefit: it significantly reduces the deposited quantities of ash as well as the consumption of natural materials such as crushed stone, gravel and sand. The investigation of engineering properties of fly ash from the power plant in Serbia was conducted at the Laboratory of Soil Mechanics at the Faculty of Civil Engineering in Belgrade. Relevant physical and mechanical properties of ash and mixtures with binders (cement/lime) were investigated. The ash was also tested from the aspect of the potential environmental impact, which primarily depends on the leaching behaviour of the present trace elements. The results of the study showed that fly ash meets technical and environmental requirements and that has the potential for use in highway substructure, such as construction of embankments and stabilization of soft soils. Benefits of utilization of ash and slag was shown in the case of the construction of a high embankment on soft soil on the highway section Obrenovac-Ub in Serbia.
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spelling doaj.art-de0b53d6cab84728a6453c26f964eb432022-12-21T22:40:48ZengEDP SciencesMATEC Web of Conferences2261-236X2018-01-012390501710.1051/matecconf/201823905017matecconf_ts2018_05017Utilization of ash from power plants for high embankments on soft soilJocković Sanja0Pujević Veljko1Marjanović Miloš2Faculty of Civil Engineering, University of BelgradeFaculty of Civil Engineering, University of BelgradeFaculty of Civil Engineering, University of BelgradeThe ash landfills are a major environmental issue. The use of ash for the highway and railway substructure achieves a double benefit: it significantly reduces the deposited quantities of ash as well as the consumption of natural materials such as crushed stone, gravel and sand. The investigation of engineering properties of fly ash from the power plant in Serbia was conducted at the Laboratory of Soil Mechanics at the Faculty of Civil Engineering in Belgrade. Relevant physical and mechanical properties of ash and mixtures with binders (cement/lime) were investigated. The ash was also tested from the aspect of the potential environmental impact, which primarily depends on the leaching behaviour of the present trace elements. The results of the study showed that fly ash meets technical and environmental requirements and that has the potential for use in highway substructure, such as construction of embankments and stabilization of soft soils. Benefits of utilization of ash and slag was shown in the case of the construction of a high embankment on soft soil on the highway section Obrenovac-Ub in Serbia.https://doi.org/10.1051/matecconf/201823905017
spellingShingle Jocković Sanja
Pujević Veljko
Marjanović Miloš
Utilization of ash from power plants for high embankments on soft soil
MATEC Web of Conferences
title Utilization of ash from power plants for high embankments on soft soil
title_full Utilization of ash from power plants for high embankments on soft soil
title_fullStr Utilization of ash from power plants for high embankments on soft soil
title_full_unstemmed Utilization of ash from power plants for high embankments on soft soil
title_short Utilization of ash from power plants for high embankments on soft soil
title_sort utilization of ash from power plants for high embankments on soft soil
url https://doi.org/10.1051/matecconf/201823905017
work_keys_str_mv AT jockovicsanja utilizationofashfrompowerplantsforhighembankmentsonsoftsoil
AT pujevicveljko utilizationofashfrompowerplantsforhighembankmentsonsoftsoil
AT marjanovicmilos utilizationofashfrompowerplantsforhighembankmentsonsoftsoil