Belete Selesh Seneshaw*

Institute of Engineering and Technology, Department of Construction Technology and Management, Mizan-Tepi University, Tepi, Ethiopia

*Corresponding Author: Belete Selesh Seneshaw, Institute of Engineering and Technology, Department of Construction Technology and Management, Mizan-Tepi University, Tepi, Ethiopia.

Received: June 08, 2023; Published: August 30, 2023

Abstract

Now a days it is not a hidden fact to observe conflict of survival between exponentially grown population, industrialization and nature. This event becomes the initial Case for the rebirth of disable planate which couldn’t care about existence of its creatures. The practice laid gloomy shadow for nations especially, in developing countries who punished by double edge sword (inadequate house and environmental impact). Hence The reason to conduct this study was to give response for escalating demand of adequate house alternative and sustainable construction material. This research aims to determine the optimum percentage of cement replacement by fly ash in stabilized soil block. several laboratory Tests was conducted to know the detail soil profile and results revealed that the soil is ASSITO A-7-6 clay soil which needs 10-16% of cement by dry weigh. The complete silicate analysis test report on fly ash and soil showed the existence of high pozzolana. To find the optimum percentage of fly ash one control and ten experimental group of stabilized soil blocks were produced. ASTM standards were applied for conducting the 7^th and 28^th compressive strength tests, and the 28^th day test results reveal that replacing 5% and 10% of the cement with fly ash improves the compressive strength of the control group from 5.69 N/mm² to 6.48 and 7.14 N/mm², respectively. Furthermore, replacing cement with fly ash beyond 10% decreases the compressive strength of the block smoothly and at 20% it is becoming equivalent to the control group. In similar way the water absorption test results of stabilized blocks were increased correspondingly with increasing of fly ash. Generally, from all tests conducted on stabilized soil block, replacement of 12% cement stabilizer (experimental control group) from 5 - 20% of fly ash has been found good compressive strength, dimensional stability and null efflorescence defect which satisfied classs2, class3, class20 and class30 Indian brick standards. In addition, promotes green and sustainable practice of construction material production.

 Keywords: Compressive Strength; Fly Ash; Soil; Stabilized Blocks; Sustainability

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Citation

Citation: Belete Selesh Seneshaw. “Experimental Study on the Use of Fly Ash as Partial Replacement of Cement for Stabilized Soil Block". Acta Scientific Pharmaceutical Sciences 7.9 (2023): 53-64.

Copyright

Copyright: © 2023 Belete Selesh Seneshaw. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.