Study of Characteristics of Bricks Produced in Kathmandu, Nepal
American Journal of Civil Engineering
Volume 8, Issue 3, May 2020, Pages: 64-76
Received: Jun. 14, 2020; Accepted: Jun. 30, 2020; Published: Jul. 6, 2020
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Author
Shanti Kala Subedi, Himalaya College of Engineering, Tribhuvan University, Lalitpur, Nepal
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Abstract
The quality of brick is determined by its physical, mechanical and microstructure characteristics. The main objective of this study was to assess the characteristics of different types of bricks produced under various clay composition, different types of kiln used, and various firing temperature, and cooling process, which are considered as the major factors affecting the brick quality. A mixed-method approach was used to carry out this study. Both primary and secondary data were collected form field observations, discussions, lab experiments, and literature review. Literature review was done to identify the relationship between affecting factors and brick characteristics. The status of bricks produced was assessed through lab tests. The results from both methods were compared and discussed thoroughly. The purposive sampling method was adopted to collect brick samples from six different brick factories situated in Kathmandu and lab tests were carried out in the Engineering Material Lab at Institute of Engineering (IOE) Pulchowk Campus, Lalitpur, Nepal. Deformation, bulk density, water absorption capacity, and compressive strengths of sampled bricks were observed and then compared with standard code values as well as with previous findings. The study showed that none of the brick samples was found within the standard benchmarks, and the bulk density was low, however, the water absorption capacity and compressive strength values of all the sampled bricks were found to be within the allowable limit, even though they were close to the lower bound. The study also discussed technical, social and environment policy related issues that are important for producing and making the best use of quality bricks. The study results may be applied to other places where similar situation exists.
Keywords
Brick Quality, Bulk Density, Water Absorption Capacity, Compressive Strength
To cite this article
Shanti Kala Subedi, Study of Characteristics of Bricks Produced in Kathmandu, Nepal, American Journal of Civil Engineering. Vol. 8, No. 3, 2020, pp. 64-76. doi: 10.11648/j.ajce.20200803.13
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Copyright © 2020 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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