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The IUP Journal of Structural Engineering :
An Analysis of Hydrated Lime Included Fly Ash Concrete Based on SEM
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The plane concrete possesses very low tensile strength, limited ductility and little resistance to cracking. The addition of small closely spaced and uniformly dispersed fibers to concrete would act as crack arrester and would substantially improve its static and dynamic properties. This paper presents the variation in strength characteristics of fly ash bricks by varying the percentage of fibers and class F fly ash. The percentage of fibers is varied from 0.25% to 0.5%. An effort for an alternate approach in the experimental manufacturing of brick was accomplished using various supplementary cementing materials like class F fly ash and hydrated lime and fibers such as jute and banana are used as key ingredients in the present investigation. Recycling such wastes by utilizing them in building materials is a moderate solution for the environmental pollution issues. Much emphasis is laid on energy-saving and economy. In this experimental study, an attempt has been made for such an alternate approach.

 
 

Concrete is the most extensively used construction material. Because of the availability of large quantities of raw materials for manufacturing of cement, about six billion tons of cement are produced every year. For the production of cement, extraction of raw materials is more and emission of carbon dioxide is also more, so in order to reduce the emission of CO2 and extraction of raw materials, research has been done for the reduction of cement by the partial replacement of cement by supplementary materials (Sashidar et al., 2011).

 
 

Natural fiber, Jute fiber, Banana fiber, Fly ash bricks, Compressive strength, Water absorption