Venu Malagavelli et al. [1] studied on high performance concrete with GGBS and robo sand nd concluded that the percentage increase of compressive strength of concrete is 11.06 and 17.6% at the age of 7 and 28 days by replacing 50% of …
Get More3. Mix Proportioning of M30 Mix The mix proportioning was based on the Indian Code for Mix design approach (IS 10262: 2019 for mixing concrete M30 of binary and ternary mixed concretes rendered with optimum mixtures of Fly ash (FA) and Ground Granulated Blast furnace Slag (GGBFS). The proportioning of a blend
Get MoreA review of the earlier mix design methods in SCC show that there is no specific method for obtaining SCC based on the strength requirements like conventional vibrated concrete. In this paper a mix proportioning method was proposed for the design of SCC using GGBS based on the strength requirements and considering the efficiency of GGBS.
Get Moreof ingredients of a concrete mix is in the terms of parts or ratios of cement, fine and coarse aggregates. For e.g., a concrete mix of proportions 1:2:4 means that cement, fine and coarse aggregate are in the ratio 1:2:4 or the mix contains one part of cement, two parts of fine aggregate and four parts of coarse aggregate. The proportions are
Get Moreg) Illustrative annexes for concrete mix proportioning for PPC, OPC with fly ash, OPC with ggbs, high strength concrete, self compacting concrete and mass concrete have been provided. h) Guidelines on using/selecting water reducing admixtures have been introduced as an informatory annex (see Annex G). j) The consideration of air content in ...
Get MoreStrength gain in GGBS concrete. With the same cementitious material content (the total weight of Portland cement CEM I plus GGBS), similar 28-day strengths to Portland cement CEM I will normally be achieved when using up to 50% GGBS. At higher GGBS percentages the cementitious content will need to be increased to achieve equivalent 28-day strength.
Get Moreconsumption of cement. Benefits of Using GGBS in Concrete Sustainability It has been reported that the manufacture of one tonne of Portland cement would require approximately 1.5 tonnes of mineral extractions together with 5000 MJ of energy, and would generate 0.95 tonne of CO2 equivalent . As GGBS is a by-product of iron
Get MoreBasic Concrete Mix Design Materials Pounds of material S.G. Abs Volume 667 3.15 X 62.4 Cement 667 3.15 3.39-Total Cementious 667 Miller Stone 1590 2.6 9.80 Evert Sand 1242 2.65 7.51 Water 300 1 481 1590 2.60 X 62.4 1242 2.65 X 62.4 4.81 Air 5.5% 1.485 Total 3799 27.00 w / cm 0.45 Unit Wt. 140.72 Basic Concrete Mix Design Materials Pounds of ...
Get MoreConcrete mix design is the process of finding the proportions of concrete mix in terms of ratios of cement, sand and coarse aggregates. For e.g., a concrete mix of proportions 1:2:4 means that cement, fine and coarse aggregate are in the ratio 1:2:4 or the mix contains one part of cement, two parts of fine aggregate and four parts of coarse ...
Get MoreMixing Concrete - Let DIY Doctor show you how to mix concrete with this Project and Video Tutorial. Explains what sand to cement ratio you need for your Concrete Project. Find out how much cement and aggregate you need to buy using our …
Get MoreConcrete mix Design for M40 Grade concrete with fly ash is as follows; OPC Cement 53 Grade – 400 Kg Fly ash – 80 Kg Water Cement ratio (w/c) – 0.32 Free Water – 153 liters 20mm Metal / Aggregates – 524 Kg 10mm Metal / Aggregates – 483 Kg Crush Sand – 980 Kg Admixture Dosage – 0.9 %...
Get MoreMix Design: The concrete mix is designed as per I S 10262 – 1982, ... sand with ROBO sand and cement with GGBS. It is observed that the …
Get Morewas used for mixing as well as curing of concrete. 3. MIX DESIGN: The concrete mix is designed for M40 grade as per IS 10262-2009 and IS 456-2000.In this study 30%, 40% and 50% GGBS replaced with cement and of Manufactures sand replaced with the water cement ratio 0.38. Properties Weight Kg/m3 Cement 315
Get MoreThe mix proportions comprising of cement, GGBS, coarse aggregate, fine aggregates and water for each batch of casting are shown in Table 2.0. OPC concrete mixed was designed using DOE method. The design strength chosen for the concrete mixes at 28 day was 50 N/mm2. The water/cement of the mix was
Get MoreConcrete mix Design for M10 Grade concrete with GGBS for Pumping is as follows; OPC Cement 53 Grade – 120 Kg GGBS – 130 Kg Water Cement ratio (w/c) – 0.6 Free Water – 150 liters 20mm Metal / Aggregates – 795 Kg 10mm Metal / Aggregates – 354 Kg Crush Sand – 1017 Kg Admixture Dosage – 1 % Admixture – 2.5 Kg Density of Concrete ...
Get MoreThe replacement of natural resources in the manufacture of cement and sand is the present issue in the present construction scenario. Copper slag and Ground Granulated Blast furnace Slag (GGBS) are industrial by-product materials produced from the process of manufacturing copper and iron. Use of Copper slag and GGBS does not only reduce the cost …
Get MoreGround Granulated Blast-Furnace Slag (GGBS) being used as partial cement replacement in mortar mixed for wall finishing. This research was conducted to determine the mechanical properties of cement mortar when added with GGBS. GGBS as generally is a by-product from the production of waste materials from Iron Industry. Mortar is a mixture of cement, sand and …
Get MoreFurther in the trail mix-1 cementation material is taken as The mix proportion then becomes 270kg/ m3 of cement,148.5kg/ m3 The obtained contents of cement, sand, aggregate and (55%) of fly ash, 108kg/ m3 (40%) of GGBS Cement Sand C.A Water 2.7kg/ m3 (1% addition) of silica fumes are used.
Get MoreMix Design for Concrete. Concrete mix design can be defined as the process of selecting type and proportions of raw materials to produce a concrete with the required properties such as strength and durability. The strength of the concrete …
Get MoreThis article covers the mix design calculation of M35 Grade Concrete with Fly ash admixture and Poly Carboxylite type super plasticiser, as per Indian Standard Codebook IS10262 (2009) – Guidelines for Concrete Mix Proportioning. Mix Design calculation procedure is the same when either GGBS or Fly ash is used, the only change will be the ...
Get MoreKishore Kaushal, "Concrete Mix Design Based on Flexural Strength for Air-Entrained Concrete," Proceeding of 13th Conference on our World in Concrete and Structures, 25-26, August, 1988, Singapore. Kishore Kaushal, "Concrete Mix Design," Indian Concrete Institute Bulletin September, 1988, pp. 27-40 and ICI Bulletin December, 1988, pp. 21-31.
Get MoreConcrete mix design is the process of finding right proportions of cement, sand and aggregates for concrete to achieve target strength in structures. So, concrete mix design can be stated as Concrete Mix = Cement:Sand:Aggregates. The …
Get MoreIn the present study, the attempt is made to design mix for HSC of M70 grade concrete for various water to cement ratios using proper proportion, admixtures, and manufactured sand with required ...
Get MoreConcrete mix – ECO2 of constituents Ref: Table 5: Embodied CO2 for main constituents of reinforced concrete Specifying Sustainable Concrete, The Concrete Centre, 2017 Based on BS 8500-1 GGBS Fly ash Define cements and combinations Approx. gen mix by volume GGBS Fly ash
Get MoreConcrete made with GGBS cement sets more slowly as compared to ordinary concrete and its setting time depends on the amount of GGBS in the cementitious material, but it endures to gain strength over a longer period. Use of GGBFS produces lower heat of hydration and lower temperature rise. It is very easy to avoid cold joints using GGBS.
Get Moreworkability of the concrete. Mix Design: The concrete mix is designed as per IS 10262 – 1982, IS 456-2000 and SP 23 for the conventional concrete and finally 0 to 30% river sand has been replaced by ROBO sand and 40 to 60% cement replaced with GGBS by volume. The water cement ratio is 0.42. The mix proportions of M30 concrete are 1:2.05:3.38.
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