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Jannat, N, Hussien, A, Abdullah, B and Cotgrave, A (2020) Application of agro and non-agro waste materials for unfired earth blocks construction: A review. Construction and Building Materials, 254. ISSN 0950-0618
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Abstract
The production process of conventional building materials consumes a high amount of energy which has a negative impact on the environment. The use of locally available materials and upgradation of traditional techniques can be a good option for sustainable development. Consequently, earth has attracted the attention of the researchers as a building construction material for its availability and lower environmental impact. On the other hand, in developing countries waste disposal from the agricultural and industrial sectors raises another serious concern. The scientists have introduced such waste additives into the earth matrix to improve its performance. Therefore, the present paper reviews the state-of-the-art of research on the effects of these various agro and non-agro wastes in the production of unfired earth blocks. This study is divided into three sections: The first section outlines the different types of waste materials and earth blocks considered in the selected papers. The second part deals in depth with the test results of the different properties (density, water absorption, compressive strength, flexural strength and thermal conductivity) of unfired earth blocks containing waste materials. The last section analyses and compares the results with the current earth-building construction standards. The literature survey presents that the waste materials have a clear potential to partly replace earth by complying with certain requirements. Moreover, the application of such wastes for the development of building construction materials provides a solution that decreases energy usage as well as contributes to effective waste management. Future research on establishing guidelines and standards for the development and production of these sustainable unfired earth building materials is recommended.
| Item Type: | Article |
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| Uncontrolled Keywords: | 0905 Civil Engineering, 1202 Building |
| Subjects: | T Technology > TH Building construction |
| Divisions: | Civil Engineering & Built Environment |
| Publisher: | Elsevier |
| Date Deposited: | 06 May 2020 12:13 |
| Last Modified: | 04 Sep 2021 07:22 |
| DOI or ID number: | 10.1016/j.conbuildmat.2020.119346 |
| URI: | https://researchonline.ljmu.ac.uk/id/eprint/12866 |
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