Article (Scientific journals)
Physico-chemical and mineralogical characterization of clay materials suitable for production of stabilized compressed earth blocks
Nshimiyimana, Philbert; Fagel, Nathalie; Messan, Adamah et al.
2020In Construction and Building Materials, 241, p. 118097
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Keywords :
Calcium carbide residue; Clay material; Compressed earth block; Compressive strength; Kaolinite; Reactivity
Abstract :
[en] The main objective of this study is to characterize the physico-chemical and mineral properties of clay materials from Burkina Faso to produce stabilized compressed earth blocks (CEBs). The reactivity of the clay materials was tested based on the electrical conductivity of solutions and the compressive strength of CEBs stabilized with 0–20 wt% CCR (calcium carbide residue) and cured for 45 days at 40 ± 2 °C. Pabre and Kossodo respectively contain the highest fractions of clay (20–30%) and gravel (40%). Saaba and Pabre contain the highest content of kaolinite (60–70%) and quartz (45–60%) and recorded the highest and lowest reactivity, respectively. The compressive strength of CEBs stabilized with 20% CCR improved tenfold (0.8–8.3 MPa) for Saaba and only 2.6 (2–7.1 MPa) for Pabre. The clay materials in the present study are suitable to produce CCR-stabilized CEBs for load-bearing construction.
Research center :
UEE - Urban and Environmental Engineering - ULiège
Disciplines :
Materials science & engineering
Author, co-author :
Nshimiyimana, Philbert  ;  Université de Liège - ULiège > Doct. sc. ingé. & techno. (archi., génie civ. - paysage)
Fagel, Nathalie  ;  Université de Liège - ULiège > Département de géologie > Argiles, géochimie et environnements sédimentaires
Messan, Adamah
Wetshondo, Dominique Osomba
Courard, Luc  ;  Université de Liège - ULiège > Département ArGEnCo > Matériaux de construction non métalliques du génie civil
Language :
English
Title :
Physico-chemical and mineralogical characterization of clay materials suitable for production of stabilized compressed earth blocks
Publication date :
30 April 2020
Journal title :
Construction and Building Materials
ISSN :
0950-0618
eISSN :
1879-0526
Publisher :
Elsevier, Amsterdam, Netherlands
Volume :
241
Pages :
118097
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
Amélioration de la qualité de l’habitat en terre crue au Brukina Faso-Improving the quality of earth-based housing in Burkina Faso, PRD2016-2021
Funders :
ARES - Académie de Recherche et d'Enseignement Supérieur [BE]
Commentary :
.
Available on ORBi :
since 22 February 2020

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