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Compressive Strength of Selected Fine Grained Soils Treated with Cement Kiln Dust and Calcareous Fly Ash Cover

Compressive Strength of Selected Fine Grained Soils Treated with Cement Kiln Dust and Calcareous Fly Ash

Architecture, Civil Engineering, Environment
Volume 13 (2020): Issue 1 (March 2020)
By: Karolina KNAPIK-JAJKIEWICZ,  Grzegorz GAJ,  Adrian KOWALSKI and  Sandra PRĘDKA  
Open Access
|Apr 2020

Figures & Tables

Figure 1.

Proctor compaction curves obtained for the Soil_1 and Soil_2 (based on [10, 11])
Proctor compaction curves obtained for the Soil_1 and Soil_2 (based on [10, 11])

Figure 2.

Grain size distribution of the soils used in the study according to PN-EN ISO 17892-4:2017-01E
Grain size distribution of the soils used in the study according to PN-EN ISO 17892-4:2017-01E

Figure 3.

Mold used for samples preparation [10]
Mold used for samples preparation [10]

Figure 4.

Formed samples of fine grained soil mixed with cement kiln dust [10]
Formed samples of fine grained soil mixed with cement kiln dust [10]

Figure 5.

Strength press used for the tests [10]
Strength press used for the tests [10]

Figure 6.

Unconfined compressive strength obtained for the mix of soils and additives with curing time (based on [10, 11])
Unconfined compressive strength obtained for the mix of soils and additives with curing time (based on [10, 11])

Figure 7.

Unconfined compressive strength obtained for the mix of soil and additive after: a) 7 days; b) 14 days; c) 28 days; d) 42 days e) 56 days (based on [10, 11])
Unconfined compressive strength obtained for the mix of soil and additive after: a) 7 days; b) 14 days; c) 28 days; d) 42 days e) 56 days (based on [10, 11])

Properties of tested soils

ParameterStandardSoil_1Soil_2
Plastic limit [%]PN-88/B-044811929 [11]
Liquid limit [%]PN-88/B-044812866 [11]
Plasticity index [%]PN-88/B-04481937 [11]
Optimum water content [%]PN-EN 13286-2 Proctor test method A14 [10]21 [11]
Maximum bulk density [g/cm3]PN-EN 13286-2 Proctor test method A1.85 [10]1.63 [11]
Loss on ignition [%]PN-88 B-04481:19881.9 [10]4.8 [11]
Specific density [g/cm3]PN-88 B-04481:19882.6 [10]2.7 [11]
pHASTM-D 4972-01 19986.27.5

Oxide composition of fly ash from Bełchatów power plant tested with XRF according to ISO 29851-2:2010

ComponentThe content after conversion into the initial state [% mass (% m/m)]
fly ashcement kiln dust
SiO242.5618.29
Al2O318.814.57
Fe2O34.512.16
CaO including free CaO24.14 2.0664.19 21.39
MgO1.401.32
Na2O0.220.48
K2O0.210.99
SO32.743.03
TiO21.320.23
P2O50.130.12
ZnO0.020.23
residue0.274.16
DOI: https://doi.org/10.21307/acee-2020-006 | Journal eISSN: 2720-6947 | Journal ISSN: 1899-0142
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Language: English
Page range: 79 - 86
Submitted on: Feb 6, 2019
Accepted on: Jan 8, 2020
Published on: Apr 8, 2020
Published by: Silesian University of Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
Cement kiln dust,
Fly ash,
Fine grained soil,
Soil improvement,
Compressive strength
Related subjects:
Architecture and design,
Architecture,
Architects, buildings

© 2020 Karolina KNAPIK-JAJKIEWICZ, Grzegorz GAJ, Adrian KOWALSKI, Sandra PRĘDKA, published by Silesian University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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