Physico-mechanical characterization of compressed earth blocks reinforced with waste fibers from calamus rotang: Case of the elastic soil of western region of Cameroon

Fabien Kenmogne; Emmanuel  Foadieng; Olivier Lekeufack  Tiokeng; Roger  Eno; Martial Nde  Ngnihamye; Alphonse  Tchoukouabe; Sorel Holsen  Wafo Wafo; Moussa  Sali; Emmanuel Yamb  Bell; Sévérin  Nguiya

doi:10.59400/mtr.v2i1.1650

Physico-mechanical characterization of compressed earth blocks reinforced with waste fibers from calamus rotang: Case of the elastic soil of western region of Cameroon

Fabien Kenmogne Department of Civil Engineering, Advanced Teacher Training College of the Technical Education, The University of Douala, Douala 1872, Cameroon
Emmanuel Foadieng Department of Civil Engineering and Forestry Techniques, Higher Technical Teachers Training College (HTTTC), The University of Buea, Buea 1872, Cameroon; IUT Fotso-Victor of Bandjoun, University of Dschang, Dschang 670, Cameroon
Olivier Lekeufack Tiokeng Department of Physics, Faculty of Sciences, The University of Douala, Douala 24157, Cameroon
Roger Eno Laboratory E3M, National Higher Polytechnic School of Douala, The University of Douala, Douala 2701, Cameroon
Martial Nde Ngnihamye Department of Civil Engineering, National Advanced School of Public Works, Yaoundé 510, Cameroon
Alphonse Tchoukouabe Department of Civil Engineering, Advanced Teacher Training College of the Technical Education, The University of Douala, Douala 1872, Cameroon; Laboratory E3M, National Higher Polytechnic School of Douala, The University of Douala, Douala 2701, Cameroon
Sorel Holsen Wafo Wafo Department of Civil Engineering, Advanced Teacher Training College of the Technical Education, The University of Douala, Douala 1872, Cameroon
Moussa Sali Department of Civil Engineering, Advanced Teacher Training College of the Technical Education, The University of Douala, Douala 1872, Cameroon; Laboratory of Mechanics and Materials, National Higher Polytechnic School of Maroua, University of Maroua, Maroua 46, Cameroon
Emmanuel Yamb Bell Department of Civil Engineering, Advanced Teacher Training College of the Technical Education, The University of Douala, Douala 1872, Cameroon
Sévérin Nguiya Laboratory E3M, National Higher Polytechnic School of Douala, The University of Douala, Douala 2701, Cameroon

Article ID: 1650

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DOI: https://doi.org/10.59400/mtr.v2i1.1650

Keywords: compressed soil block; rattan waste; mechanical characteristics; absorption and porosity; ductility; brittle behaviour

Abstract

In order to enhance the value of local materials and contribute to reducing construction costs in Cameroon, rattan waste is used to reinforce compressed earth blocks (CEB). This main work’s objective is the study of the effect of rattan waste on the physical and mechanical properties of CEB. For this, a soil sample taken in the western region of Cameroon, more precisely in Bangangté, was analyzed, the analysis includes the granulometric analysis, the Atterberg limits, and the Proctor test. Then the CEB samples with different rattan waste contents, that is 0%, 2%, 4% and 6%, were developed for a compaction stress of 7.5 MPa. These different samples were characterized through mechanical and physical tests carried out in the laboratory. It appears that the blocks reinforced with 2% of rattan waste have better mechanical characteristics, respectively 0.70 MPa in three-point bending and 3.04 MPa in compression. On the other hand, the presence of rattan wastes has a positive effect on the mechanical behavior of the composite, by increasing its ductility compared to the fragile behavior of the control block, which is observed during crushing. Thus the mechanical properties of CEB improve with the incorporation of rattan waste, which is optimal for a content of 2%. But they increase the material's porosity, and then its sensitivity to water unlike the control CEB.

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Published

2024-05-01

How to Cite

Kenmogne, F., Foadieng, E., Tiokeng, O. L., Eno, R., Ngnihamye, M. N., Tchoukouabe, A., Wafo Wafo, S. H., Sali, M., Bell, E. Y., & Nguiya, S. (2024). Physico-mechanical characterization of compressed earth blocks reinforced with waste fibers from calamus rotang: Case of the elastic soil of western region of Cameroon. Materials Technology Reports, 2(1), 1650. https://doi.org/10.59400/mtr.v2i1.1650

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Copyright (c) 2024 Fabien Kenmogne, Emmanuel Foadieng, Olivier Lekeufack Tiokeng, Roger Eno, Martial Nde Ngnihamye, Alphonse Tchoukouabe, Sorel Holsen Wafo Wafo, Moussa Sali, Emmanuel Yamb Bell, Sévérin Nguiya

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