Grade 80. • Exposure conditions. Our company recovers, reclaims and recycles the GGBS by-products from this same steel industry at the same time reducing landfill. Partial Replacement of Cement with GGBS and Metakaolin Proceedings of International Conference … To check the economic viability of the usage of GGBS, Keeping in view of the safety measures. The mix design as M20 Grade and the proportion is 0%, 20%, 30%, 40% and 50%. 1. The cost of GGBS is also lower than the cost of cement. investigating characteristics of M50 grade concrete with partial replacement of cement with Ground Granulated Blast Furnace Slag (GGBS) and sand with the ROBO sand (crusher dust). Fineness = 300 kg/m^2. After 28 days later strength = 33 N/mm^2 – GGBS is a slag waste product from steel plants, which is subsequently processed. The partially replaced concrete showed an increase in strength as compared to conventional concrete. Around 11 Mt of GGBS is produced per annum and the entire quantity is fully utilized in the cement industry (for manufacturing slag cement, PSC), or used at batching plant long with OPC. I. Grade Designation = M-50 Type of cement = O.P.C-43 grade Brand of cement = Vikram ( Grasim ) Admixture = Sika [Sikament 170 ( H ) ] Fine Aggregate = Zone-II. The applicability of this relationship for four concrete grades (C30/37, C35/45, C50/60 and C60/75) with up to 70% ground granulated blast-furnace slag (GGBS) has been investigated and shown to be satisfactory. strength of GGBS mixed concrete. 9. Concrete mix designs have been prepared for M40 grade & trials was done with different proportions ( 40 to 60%) of GGBS (JSW) by blending with OPC 53grade cement (Ultratech, ACC, Ambuja, JK Lakshmi) as per IS 10262 & IS 456. replacement of GGBS in different grade of concrete. A Study about the partial replacement of GGBS replacemfor cement on concrete. Amount of Al2O3 in Portland cement is 5%, GGBS is 10% and FA is 5% 4. To evaluate and compare the results. Ordinary Portland Cement 53 grade was used throughout the study and the grade of concrete is M20. However, builders which wish to apply for or retain their BCA Contractors Registry System (CRS) registration in work heads CW01 and CW02 and financial grades from A1 to B2 are required to obtain GGBS certification. The GB/T18046 requires a minimum surface area of 3000 cm2/g for grade S75 GGBS, 4000 cm/g for grade S95 and 5000 cm2/g for grade S105, which are higher than the BS EN’s requirements (GB/T18046-2008). In this project it is proposed to study the Experimental Behavior of Reinforced Concrete with Partial Replacement of Cement with GGBS. III. 2. The durability characteristics that are tested for different grades of concrete which are for grades M30 at the different partial replacement levels of about (10%, 20%, 30%, 40% and 50%) of Sand by Robosand and the cement by GGBS are as follows. Type of Test Values Obtained IS SPECIFICATION S 1. Both the GGBS and GGBS (SMC) certification schemes are voluntary for all builders. 8. grade GGBS replacement concrete, with 1% and 5% concentrations of Hydro chloric acid (HCl) and Sulphuric acid (H 2 So 4). For both type of concrete classes, increasing amount of GGBS exhibited reduced 7-day to 28-day compressive strength ratios. The cubes and cylinders are tested for compressive strengths and split tensile strength. 50% for GGBS concrete respectively for M20 grade concrete of OPC cement and crushed sand. To evaluate and compare the results. Ordinary Portland cement of 43-grade conforming to IS: 8112-1989 was used in this project under the brand name Reliance Cement. To evaluate the durability studies of M20 grade GGBS replacement concrete, with 1% and 5% concentrations of Hydro chloric acid (HCl) and Sulphuric acid (H2So4). 2.2 GGBS Ground Granulated Blast-furnace Slag (GGBS) used in this project is the mixed slag from Tata Steel, Jamshedpur and Electro Steel Chandankyari, … After 7 days later strength = 22 N/mm^2. Actual site conditions vary and thus this should be adjusted as per the location and other factors. LKAB Minerals is part of the LKAB group that sells its iron ore (pellets) to the steel-making industry. The mix design M-50 grade (Using Admixture –Sikament) provided here is for reference purpose only. Strength. This report shows that tensile strength also gives good performance for 20%, 30 % and 40% replacement which is more than normal plain concrete. Samples of the data sets used in the programme for . ASTM C989 classifies GGBS into three grades according to its performance in the slag activity test. GGBS slag is obtained by quenching molten iron slag from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a fine powder. C. Tests on GGBS GGBS of 120 Grade confirming to IS 12089 1987 was adopted in this work International Journal of Pure and Applied Mathematics Special Issue 412. GGBS being a waste material, it needs proper method for disposal. PROPERTIES OF INGREDIENTS 3.1 Cement The cements used in this experimental … This increased confidence in its use for predicting the strength development of other curing regimes, i.e. the replacement of ce-ment with GGBS is made varying 0%, 15%, and 30%. M30 grade concrete with OPC (400gms) + 30% GGBS (300grms) + 30% MK (300grms) VII.COMPRESSIVE STRENGTH (M30): A) COMPRESSIVE STRENGTH OF NORMAL CONCRETE B) Compressive strengths for 10% replacement of GGBS and K C) Compressive strengths for 20% replacement with GGBS and MK . Constant level of Fly ash is also used in all set of mix proportion to increase the powder content for achieve the Workability. 1. M20 grade of concrete with proportions of 1:2.03:3.3 with water cement ratio of 0.55 is taken. An increased quantity of GGBS is required for use in the cement industry as it is the ‘best’ SCM, as illustrated. The raw materials which was used as VSI Coarse aggregate 10mm, 20mm, fine aggregate was used as VSI C. Sand (artificial sand) & SNF (sulphonated … This can increase workability in less curing period and increases strength in longer period of curing. … Ground Granulated Blast Furnace Slag (GGBS) The importance of Ground Granulated Blast Furnace Slag (GGBS) lies in its greener way to become a substitute in concrete material. Amount of SiO2 in Portland cement is 20%,GGBS is 35% and FA is 30% 3. Sodium hydroxide and sodium silicate solution are used as alkali activators throughout this work. Prediction of Compressive Strength of GGBS Concrete using Neural Network 8991 . 9. granulated blast furnace slag (GGBS) and recycled concrete aggregates. Grade 120 . The mix design was done to obtain a concrete mix (control mix) of grade M40. in this experiment 3, 7, and 28 days of curing has been studied. A. 0 5 10 15 20 25 30 35 40 45 50 compressive strength, split tensile strength of concrete for a grade of M25 was tested and recorded. Cement with GGBS replacement has emerged a major alternative to conventional concrete and has rapidly drawn attention of concrete industry due to its cement saving, energy saving, cost saving and environmental benefits. It is proved that GGBS can be used as an alternative material for cement, reducing cement Crushing strength 3 days later = 16 N/mm^2. The compressive … Grade 100, and. The basic properties of natural and recycled aggregate were determined. This research work focuses on strength characteristics analysis of M20, M25, M30, M35, M40, M45, M50 grade concrete with replacement of cement by GGBS 30% and … Yasutaka SAGAWA, Daisuke Yamamoto and Yoshikazu HENZAN in a study concluded that the specimens which include normal-strength concrete and high … GGBS can be used as filler and helps to reduce the total voids content in self compacting concrete. Parameters for mix design M50. 3.2 Compressive Strength A total of 60 cube specimens was cast to find out the compressive strength of the concrete. … GGBS: Criteria . All the 3 mixes of GGBS-Fly Ash concrete has almost same slump value because in all these mixes 30 % of cement was replaced by GGBS and Fly Ash. The high cementreplacement of GGBS cause reduction in flexural & The GGBS give more strength reducein 40% of replacement and attains more than 9% strength in 7 days and increasing of 6% strength with 30% replacement attains in 28 days . 3. This ratio decreased from 0.80 to 0.28 for C25 and from 0.82 to 0.21 for C35 grade concretes, which can be attributed to the lower hydration reaction rate of GGBS at early ages. Two reports suggested that carbonation resistance is unchanged for GGBS concrete with low w/c ratio design (thus higher strength) or a similar strength grade (higher than 30 MPa) to PC concrete at 50% GGBS content (Bamforth, 2004; Bouzoubaa and Foo, 2005). To check the economic viability of the usage of GGBS, Keeping in view of the safety measures. It can also be used in higher grades of concrete (more than M40 grade). Actual site conditions vary and thus this should be adjusted as per the location and other factors. GGBS is used to replace with cement on concrete atto reduce the consumption of cement. In the present work, Ground Granulated Blast furnace Slag (GGBS) is blended with silica fume in various proportions at ambient temperature condition to produce the geopolymer concrete and the mechanical properties are investigated and compared with OPCC of M30 grade. KEYWORDS: Mechanical properties, GGBS, 53 grade OPC and OPC 53 S cement, partial replacement, compressive strength, split tensile strength and flexural strength. GGBS was used as partial cement replacement and recycled aggregates as replacement for fine and coarse aggregate. GGBS in self compacting concrete production as partial replacement of cement. Cubes which have sizes of about 150X150X150mm were casted using the mixes. Assessment criteria. The use of GGBS is very beneficial, particularly in coastal areas where the aggressive nature of the saline water and sulphates in the sub-soil can severely degrade concrete structures. Concrete mix design – M60 grade of concrete provided here is for reference purpose only. Totally 108 cubes and 27 cylinder were cast and tested in the laboratory with nine different percentage combination of alccofine (A), GGBS (G) and cement (C) (C 100, C 70 A 0 G 30, C 90 A 10 G 0, C 60 A 10 G 30, C 30 A 10 G 30, C 40 A 0 G 60, C 85 A 15 G 0, C 55 A 15 G 30, C 25 A 15 G 60 ). Sourcing GGBS. Slump value is maximum for G15F15 which means slump value increases when GGBS and Fly Ash are used in same quantity in concrete. Test Results o n Ggbs S. No. 10. The three grades are. for different proportions of GGBS for M25 grade of concrete. GRADE-33; GRADE-43; GRADE-53; GRADE 33: The grade 33 Portland cement shows their high workability as compared to the other grades. Table 3. GGBS-Fly Ash concrete is slightly higher compared to control mix. In the equation (y = 0.3769x+33.509), x is the value of GGBS replacement level in percentage and y is the value of workability in millimeter. In PSC cement manufacturing, GGBS added should not be less than 25% and should not be more than 70% Compressive strength of Portland Slag Cement should not be less than 33 Mpa, means PSC available in 33 grade (there are no specification for higher grades of PSC) So according to IS code you can replace portland cement up to 70% by using GGBS. Amount of MgO in Portland cement is 2%,GGBS is 8% and FA is 5% STRENGTH IN N/mm2 CAC FAC1 FAC2 GAC1 GAC2 China, GGBS is classified into three grades; namely S75, S95 and S105. In mortar for plaster and for masonry, the grade 33 was commonly used. Amount of CaO in Portland cement is 65%, GGBS is 40% and FA is 55% 2. INTRODUCTION .Cement is a binder, a substance used in construction that sets and hardens and can bind other materials together. Cylinders are tested for compressive strengths and split tensile strength of the sets. ) of grade M40 the other grades M25 was tested and recorded use in the programme for curing,... 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