Effect of Utilization of Borosilicate Glass Block Lining in RCC chimneys
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Guide
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Aug-20
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Conference Paper
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Abstract
Construction of tall chimneys is now the basic requirement and has been possible with the advent of latest building technologies and also with better understanding of loads acting on them to determine its structural behaviour. With the experience gained in the chimney design and construction over the years the present-day challenge is to prevent the deterioration of chimney shell and brick lining and thereby increase the service life of the structure. This deterioration is caused due to penetration of flue gases through cracks in the air space, which causes acid attacks and eventually leading to the mortar and concrete erosion. In recent years, many chimneys have been repaired or designed considering borosilicate glass blocks as lining material in lieu of conventional fire brick linings. This study has been done considering brick lining and borosilicate glass block lining for chimneys with 100m and 200m height with temperatures varying as 100 o C, 150 o C and 200 o C. Total 12 chimneys were designed and comparison is done in terms of the overall cost of the material consumed in these chimneys. It was observed that the chimneys constructed with borosilicate blocks as a lining material were 10-12% cheaper than those constructed with conventional brick as a lining material.
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Faculty of Technology
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RCC chimney, Borosilicate glass block
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OTHER
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Proceedings of National Conference on Structural Engineering - NARASE � 2020