MORTAR QUALITY INDEX

Civil Engineering Department

Gore S. L., Tanawade A. G.,Dhonde H. B. and Mahajan M. A.Vishwakarma Institute of Information Technology, Pune



ABSTRACT

    In this study, the impact of elevated temperature on the compressive quality of mortars containing crushed rock fines - CRF and lateritic sand is explored. This is a piece of a study examining the basic attributes of mortar utilizing different blends of lateritic sand and smashed rock fines as complete swap for routine waterway sand fine aggregate. Tests of concrete mortar shapes were made utilizing shifting substance of late rite and quarry dust, as fine aggregate. The amount of late rite was shifted from 25% to half and quarry dust at half. The examples were cured for determined periods and tried in the research facility for compressive quality. Fifteen mortar blends were thrown by supplanting half of sand with a crushed rock fines - CRF and lateritic sand. Absolutely, 60 Nos. of 70 mm mortar example were set up with various mortar pieces. After standard curing period, example were dried at room temperature for 1 day and afterward presented to temperatures of 2000C, 4000C, 6000C and 8000C for 1 hr. in heater and cooled to room temperature. After lifted temperature introduction, the compressive qualities of the example were resolved. It was found that the mortar shapes made with 25% substitution of sand by late rite sand gave much preferred result over different blends. This mortar has scope for use in structures and related structures.
    The use of industrial waste has raised great interest regarding its potential of contributing both to the reduction of costs and to sustainable development. In this context, there has been an increasingly high number of studies addressing the use of alternative materials in the construction industry, especially when considering the difficulty in obtaining building materials near urban centers, which results in an increase in the final price due to transportation costs. This research has characterized and evaluated the use of crushed marble waste to replace natural sand in the production of mortar. Many admixtures of mortar were subject to research regarding their physical and mechanical properties. It has been concluded that mortars produced with sand made of crushed marble waste have improved mechanical properties when compared to traditional mortar.