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Study of Energy Analysis for the Using of Heating and Rubbing Method for Recycling of Demolished Concrete

Journal: International Journal of Science and Research (IJSR) (Vol.6, No. 8)

Publication Date:

Authors : ; ; ;

Page : 2242-2248

Keywords : RCA; CA; Concrete demolition; Sustainability; green concrete; service life design; reliability;

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Buildings demand energy in their life cycle right from its construction to demolition. Studies on the total energy use during the life cycle are desirable to identify phases of largest energy use and to develop strategies for its reduction. In the present paper, a study of analysis of total consumed energy by whole process of heating and rubbing method for recycling of demolished concrete. The difference of H between RAC and aggregate of same mass and moisture content can be quantified to obtain the impact of using RAP on energy and/or CO2 as found in results. The energy consumption to heat/dry RAP and virgin aggregates of the same mass per ton of HMA and moisture content for mix discharge temperatures of 280, 300, and 3200F, respectively. The difference in percentage indicates using higher percentage saves heating energy while using low percentage RAC consumes more heating energy, when compared to no RAC in HMA, for discharge temperatures of 280, 300, and 3200F, respectively

Last modified: 2021-06-30 19:52:24