000			a
999			_c10490 _d10490
003			OSt
005			20191209154650.0
008			191209b xxu||||| |||| 00| 0 eng d
040			_aAIKTC-KRRC _cAIKTC-KRRC
100			_911097 _aMajhi, Rajib Kumar
245			_aProperties of Concrete Incorporating Coal Fly Ash and Coal Bottom Ash
250			_aVol.100(3), Sep
260			_aNew York _bSpringer _c2019
300			_a459-469p.
520			_aMillion loads of coal wastes are being generated everywhere across the globe in the form of fly ash and bottom ash. Utilization of such waste materials in concrete is an eco-friendly choice. Therefore, the objective of the current experimental investigation is to explore the effects of fly ash and bottom ash on the properties of concrete by replacing them partially with natural fine aggregate and cement, respectively, on an individual basis as well as on combined basis. Concrete specimens are prepared by replacing 0%, 20%, 30%, 40% and 50% of sand by coal bottom ash and 0%, 20%, 30%, 40% and 50% cement by coal fly ash. Thereafter, the concrete specimens are prepared by replacing optimum percentages of both cement and sand by coal fly ash and coal bottom ash, respectively. The compressive strength, split tensile strength, flexural strength and density of the above mixes are obtained from the experimental investigation. From these results, it is found that for concrete mix with 20% coal fly ash and 30% coal bottom ash, the compressive, split tensile and flexural strength reduce by 10.5%, 10.7% and 9.6%, respectively, with reference to those of the control mix. Moreover, for the above concrete mix, the dry density also reduces by 10.3% from the control mix. These properties of the concrete mix with 20% coal fly ash and 30% coal bottom ash are further improved by adding a suitable dose of superplasticizer.
650		0	_94621 _aCivil Engineering
700			_911098 _aNayak, Amar Nath
773	0		_dSwitzerland Springer _x 2250-2149 _tJournal of the institution of engineers (India): Series A
856			_uhttps://link.springer.com/article/10.1007/s40030-019-00374-y _yClick here
942			_2ddc _cAR