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Performance Evaluation of Sand Screening Machine: Effect of Sieve Size and Moisture Content

Author

Listed:
  • Garison Kiprotich

    (Department of Industrial and Energy Engineering, Egerton university, P.O Box 536 - 20100, Egerton, Kenya)

  • Isaiah Kimutai

    (Department of Mechanical, Production & Energy Engineering, Moi University, P.O Box 3900-30100, Eldoret, Kenya)

  • Stephen Kimutai

    (Department of Mechanical, Production & Energy Engineering, Moi University, P.O Box 3900-30100, Eldoret, Kenya)

Abstract

In construction industry, sand is a major raw material besides water, cement, gravel and steel. The quality of sand is vital in development of firm structures in construction. Thus, for construction industry to remain competitive, it is critical to develop efficient sand screening technologies that produce high quality sand while reducing labour cost. Therefore, the main objective of this research paper was to assess sand sieving technologies used in construction industry in Kenya and to design and evaluate performance operation of the sand screening machine that would help improve the efficiency and quality of sand while lowering the overall construction cost. The specific objectives were to design sand screening machine and to investigate the effect of moisture and sieve sizes on screening time. Experiments were conducted on semi-automatic machine driven by motor to determine fine sand produced at different moisture levels and time consumed. The machine designed consist a motor, sieve, shaft, steel hollow tubes, flat steel bars, sheet metal plates, hinges, eccentric sheaves, and angle bars. The study found that screening raw sand of 10 kg using a designed semi-automatic machine with a sieve of 3mm x 3mm and densities 1442 kg/m3, 1602 kg/m3, 1682 kg/m3, 1922 kg/m3 and 2082 kg/m3 were found to produce 8.1kg, 6.8kg, 6.1kg, 4.1kg and 2.8kg respectively with sieving time of 24s, 26s, 27s, 30s and 32s respectively. Designed semi-automatic sand sieving machine displayed a labour reduction cost of 66% leading to savings of Ksh. 39,600 per month. In addition, the output of the machine screening dry sand (1442 kg/m3) 8 hours per day was found to be 9,720 kg. In conclusion, low density sand and optimal sieve size results to high efficiency and significant labour cost savings. The study recommends the use of sand with low density (dry) and adoption of semi-automatic screening machine technologies in construction industry in order to attain Kenya’s affordable housing programme

Suggested Citation

  • Garison Kiprotich & Isaiah Kimutai & Stephen Kimutai, 2023. "Performance Evaluation of Sand Screening Machine: Effect of Sieve Size and Moisture Content," International Journal of Latest Technology in Engineering, Management & Applied Science, International Journal of Latest Technology in Engineering, Management & Applied Science (IJLTEMAS), vol. 12(09), pages 126-132, September.
    • Handle: RePEc:bjb:journl:v:12:y:2023:i:09:p:126-132
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    References listed on IDEAS

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    1. Jack Favilukis & Pierre Mabille & Stijn Van Nieuwerburgh, 2023. "Affordable Housing and City Welfare," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 90(1), pages 293-330.
    2. Walter Leal Filho & Julian Hunt & Alexandros Lingos & Johannes Platje & Lara Werncke Vieira & Markus Will & Marius Dan Gavriletea, 2021. "The Unsustainable Use of Sand: Reporting on a Global Problem," Sustainability, MDPI, vol. 13(6), pages 1-16, March.
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