the characteristic and design compressive strength values for various grade of concrete. We prepare both concrete and mortar mix using quarry dust and results are very surprisingly. Compressive strength of quarry dust concrete and mortar is comparatively high with normal concrete.
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The experimental program involves casting of geopolymer mortar cubes by using GGBFS, Flyash and Quarry rock dust and testing them at 1 day, 3 days and 7 days for compressive strength. Different parameter considered in this study is alkaline fluid to …
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Jul 28, 2016· (c) The compressive strength results of quarry dust concrete (cubes) were obtained in the third series, where M20, M25, and M30 grades of concrete with 20, 25, and 30 percent replacement of quarry dust and also workability are studied by varying the water-cement ratio of 0.45 and 0.50 and the results are presented.
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From Fig. 2, it is found that the compressive strength of mortar is proportional to age of curing. When the quarry dust is added, the compressive strength is increased. This is because the quarry dust is stronger than sand. Moreover the seizing of quarry dust is larger than sand and fineness modulus is higher than sand (1). Then adding with quarry
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comparing the standard cement mortar strength with quarry dust based mortar it gives higher strength but the highest strength is achieved at B3 (106cells/ml) bacterial concentration that is 31.01 N/mm2 at 28 days. 4.2. Water Absorption Test For water absorption, after curing for 28 days put the cubes into oven at 85°c temperature for 24 hours
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compressive strength is computed after 7, 14 & 28 days curing. At 30% replacement, the compressive strength is found to be higher than the remaining proportions. Hence maintaining 30% of quarry dust, dolomite powder is incorporated to replace cement at 0%, 10%, 20%, 30%, 40% & 50% respectively.
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The maximum strength obtained is 33.11 at 56 days for F/B of 0.55 at GGBS in the binder. The 28 days strength of this proportion is 30.38 which is within the desired limit.
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The aim of this study was to compare compressive strength and mass of blocks made when EPS were mixed randomly or in layered manner in cement-quarry dust mortar. The EPS wastes were placed randomly and in a single layer so as to give percentage volume of 0% (control), 10%, 20%, 30%, 40% and 50% EPS of the cube of 150 mm. ...
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May 04, 2019· May 03, 2019· Mortar compressive strength is influenced by mortar water content at the time of set. Because molded mortar specimens are not in contact with absorptive masonry units and are not subjected to other mechanisms of water loss, they have a higher water content than mortar in the masonry. Higher water content results in lower compressive strength.
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They observed that there is an appreciable increase in compressive strength of mortar with incorporation of granite dust as replacement of natural sand at all ages. the enhancement of compressive strength of granite dust mortar as compared to river sand mortar for curing period of 3, 7, 14 and 28 days is 48%, 57%, 61% and 43%, respectively.
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Mar 27, 2014· Abstract. This paper presents the results of an experimental investigation carried out to evaluate the compressive strength and transverse strength of 1 : 3 mortar mixes in which natural sand was replaced with 20%, 50%, and quarry dust by weight which were further modified by partially replacing cement with four percentages (15%, 20%, 25%, and 30%) of low calcium fly ash.
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Index Terms—GGBS, quarry dust, calcium nitrate, compressive strength, durability, corrosion resistance . I. INTRODUCTION Concrete is the most widely used building material in the world due to its versatility, low cost and durability. Fine aggregate is an essential component of concrete. The most commonly used fine aggregate is natural river sand.
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The Compressive strength of quarry dust concrete continues to increase with age for all the percentage of quarry dust contents.(Ahzar Hamid 2015), also due to the overuse of natural sand, the price of river sand has soar in recent times (Sukesh at el 2013),
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Table 5.1: Compressive strength of M20 concrete in 28 Days due to temperature effect Fine aggregate Sand: Quarry dust Compressive strength (MPa) % of reduction in strength compared with control concrete Normal temperature After heated to 100°C 100:0 22.22 17.63 20.66 90:10 22.67 18.29 17.69 80:20 24.00 18.52 16.66
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compressive strength is computed after 7, 14 & 28 days curing. At 30% replacement, the compressive strength is found to be higher than the remaining proportions. Hence maintaining 30% of quarry dust, dolomite powder is incorporated to replace cement at 0%, 10%, 20%, 30%, 40% & 50% respectively.
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quarry dust and fly ash in order to moderate the cost of mortar. The main objective of this work is to study the compressive strength of mortar cubes by various combinations of cement and fine aggregate replaced by Epoxy resin, fly ash, and quarry dust at the age of 7 days. The results of mortarmade with cement replaced with 20%,
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From Fig. 2, it is found that the compressive strength of mortar is proportional to age of curing. When the quarry dust is added, the compressive strength is increased. This is because the quarry dust is stronger than sand. Moreover the seizing of quarry dust is larger than sand and fineness modulus is higher than sand (1). Then adding with quarry
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Jun 01, 2018· The flexural strength of concrete made with quarry dust as fine aggregate is higher (about 4.3%) than conventional river sand concrete. 2. The 10–15% rule of thumb was found to be applicable in the estimation of flexural strength of quarry-sand concrete based on its compressive strength…
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