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Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.4, No. 6)

Publication Date:

Authors : ; ;

Page : 1116-1119

Keywords : Marble Slurry; Marble Dust; Technical use; Low cost binder;

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The present invention relates in a cement binding composition for improving early more workable strength, settting time in comparison to masonry cement and to overcome the shrinkage and temperature movement in the masonry cement for masonry structures. Conventionally, the binder compositions comprises of cement, sand and lime. The use of cement in the construction of masonry structures is not advisable as cement has high strength and fast setting, non plastic and non cohesive properties and has the drawbacks like, it cannot take up the shrinkage and tempe rature movement in the masonry, it results in comparatively wider cracks passing right through the bricks or building and distributed hair cracks in the joints which occur also when weaker mortar containing lime are used. The cost factor is high as the pro duct is obtained by inter ? grinding a mixture of Portland cement clinker with pozzolanic materials and other ingredients. A low cost binder composition has been provided that comprised marble slurry waste, fly ash of thermal power plants and lime. Howeve r, the composition as a result works slowly due to longer final setting time i.e. the cement mortar formed from the low cost binder composition hardens at such a rate that it causes delay in progress. Further , the lime cement mortar formed in the prior ar t can be made to possess the desired properties of a good masonry mortar, but the preparation of lime cement mortar is time consuming and unslaked lime and magnesia when present in such mortar can cause delayed expansion and consequently cause defects in t he masonry and plaster work. Further in the prior art, the compressive strength of the binder composition for 7 days is 5.6 kg/cm2. Moreover, the final setting time for the masonry cement being used in the prior art is quite high i.e. around 24hours as pe r IS 3466.

Last modified: 2015-07-13 22:33:47