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The influence of iron powder content on the fresh and hardened properties of mortar Cover

The influence of iron powder content on the fresh and hardened properties of mortar

Scientific Review Engineering and Environmental Sciences
Volume 34 (2025): Issue 2 (June 2025)
By: Bariza BoukniORCID,  Sara BensalemORCID,  Mohamed Lyes Kamel KhouadjiaORCID,  Oussama TemamiORCID,  Salim Hamlaoui and  Cherif BelebchoucheORCID  
Open Access
|Jun 2025

Figures & Tables

FIGURE 1.

Grading curves of crushed sand Source: own work.
Grading curves of crushed sand Source: own work.

FIGURE 2.

EDS spectrum of iron powder Source: own work.
EDS spectrum of iron powder Source: own work.

FIGURE 3.

XRD patterns of iron powder Source: own work.
XRD patterns of iron powder Source: own work.

FIGURE 4.

SEM image of iron powder Source: own work.
SEM image of iron powder Source: own work.

FIGURE 5.

Evolution of setting time according to the substitution rate of iron powder Source: own work.
Evolution of setting time according to the substitution rate of iron powder Source: own work.

FIGURE 6.

Evolution of consistency according to the substitution rate of iron powder Source: own work.
Evolution of consistency according to the substitution rate of iron powder Source: own work.

FIGURE 7.

Evolution of air content according to the substitution rate of iron powder Source: own work.
Evolution of air content according to the substitution rate of iron powder Source: own work.

FIGURE 8.

Evolution of bulk density according to the substitution rate of iron powder Source: own work.
Evolution of bulk density according to the substitution rate of iron powder Source: own work.

FIGURE 9.

Evolution of flow time according to the substitution rate of iron powder Source: own work.
Evolution of flow time according to the substitution rate of iron powder Source: own work.

FIGURE 10.

Evolution of compressive strength according to the substitution rate of iron powder Source: own work.
Evolution of compressive strength according to the substitution rate of iron powder Source: own work.

FIGURE 11.

Evolution of three-point bending strength according to substitution rate of tuff with iron powder Source: own work.
Evolution of three-point bending strength according to substitution rate of tuff with iron powder Source: own work.

Compositions of mortars

DesignationCrushed sand content [g]Cement content [g]Iron powder content [g]Water content [g]
MC01 350.0450.00225.0
MIP11 350.0445.54.5225.0
MIP21 350.0441.09.0225.0
MIP31 350.0436.513.5225.0
MIP41 350.0432.018.0225.0
MIP51 350.0427.522.5225.0
MIP101 350.0405.045.0225.0
MIP201 350.0360.090.0225.0

Chemical and physical characteristics of portland cement CEM I/42_5R

SpecificationChemical composition
Content [%]SiO2Al2O3Fe2O3CaOMgOK2OTiO2Na2O
20.145.533.5461.600.190.030.0080.06
Mineralogical composition
Content [%]C3SC2SC3AC4AF
55.4315.538.6710.76
Physical properties
Specific density [kg·m−3]3 100.0
Fineness [cm2·g−1]3 500.0
Initial setting time [min]170.0
Final setting time [min]255.0

Chemical and physical properties of iron powder

SpecificationChemical properties
Content [%]SiO2Al2O3Fe2O3CaOMgOK2OFeOP2O5
4.801.1364.750.850.07–1.000.05
Physical properties
Specific density [kg·m−3]2,250.0
Apparent density [kg·m−3]1,220.0

Chemical properties of crushed sands

SpecificationChemical composition
Content [%]SiO2Al2O3Fe2O3CaOMgOK2OTiO2Na2O
0.050.030.0256.030.190.030.0080.06
Physical properties
Specific density [kg·m−3]2,750.0
Apparent density [kg·m−3]1,460.0
Fineness [cm2·g−1]3,700.0
Sand equivalent [%]69.0
Absorption coefficient [%]1.1
DOI: https://doi.org/10.22630/srees.10391 | Journal eISSN: 2543-7496 | Journal ISSN: 1732-9353
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Language: English
Page range: 198 - 217
Submitted on: Apr 14, 2025
Accepted on: Jun 9, 2025
Published on: Jun 30, 2025
Published by: Warsaw University of Life Sciences - SGGW Press
In partnership with: Paradigm Publishing Services
Keywords:
iron powder,
waste,
mortars,
physical properties,
mechanical properties
Related subjects:
Architecture and design,
Architecture,
Architects, buildings,
Geosciences,
Geosciences, other,
Engineering,
Mechanical engineering,
Fundamentals of mechanical engineering,
Geosciences,
Geology and mineralogy

© 2025 Bariza Boukni, Sara Bensalem, Mohamed Lyes Kamel Khouadjia, Oussama Temami, Salim Hamlaoui, Cherif Belebchouche, published by Warsaw University of Life Sciences - SGGW Press
This work is licensed under the Creative Commons Attribution-NonCommercial 4.0 License.

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