grades of ggbs

Fineness = 300 kg/m^2. Sodium hydroxide and sodium silicate solution are used as alkali activators throughout this work. Strength. GGBS in self compacting concrete production as partial replacement of cement. 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. 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. After 28 days later strength = 33 N/mm^2 Grade 120 . Parameters for mix design M50. compressive strength, split tensile strength of concrete for a grade of M25 was tested and recorded. An increased quantity of GGBS is required for use in the cement industry as it is the ‘best’ SCM, as illustrated. Yasutaka SAGAWA, Daisuke Yamamoto and Yoshikazu HENZAN in a study concluded that the specimens which include normal-strength concrete and high … the replacement of ce-ment with GGBS is made varying 0%, 15%, and 30%. A Study about the partial replacement of GGBS replacemfor cement on concrete. The mix design was done to obtain a concrete mix (control mix) of grade M40. 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 ). 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. in this experiment 3, 7, and 28 days of curing has been studied. grade GGBS replacement concrete, with 1% and 5% concentrations of Hydro chloric acid (HCl) and Sulphuric acid (H 2 So 4). Partial Replacement of Cement with GGBS and Metakaolin Proceedings of International Conference … 50% for GGBS concrete respectively for M20 grade concrete of OPC cement and crushed sand. strength of GGBS mixed concrete. The mix design as M20 Grade and the proportion is 0%, 20%, 30%, 40% and 50%. To check the economic viability of the usage of GGBS, Keeping in view of the safety measures. 9. It is proved that GGBS can be used as an alternative material for cement, reducing cement 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). 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 mortar for plaster and for masonry, the grade 33 was commonly used. China, GGBS is classified into three grades; namely S75, S95 and S105. KEYWORDS: Mechanical properties, GGBS, 53 grade OPC and OPC 53 S cement, partial replacement, compressive strength, split tensile strength and flexural strength. The cost of GGBS is also lower than the cost of cement. The basic properties of natural and recycled aggregate were determined. 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. ASTM C989 classifies GGBS into three grades according to its performance in the slag activity test. Type of Test Values Obtained IS SPECIFICATION S 1. This increased confidence in its use for predicting the strength development of other curing regimes, i.e. After 7 days later strength = 22 N/mm^2. GGBS was used as partial cement replacement and recycled aggregates as replacement for fine and coarse aggregate. It can also be used in higher grades of concrete (more than M40 grade). 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 … GGBS: Criteria . PROPERTIES OF INGREDIENTS 3.1 Cement The cements used in this experimental … 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). 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. 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. 10. 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, … 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 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). 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 . • Exposure conditions. The mix design M-50 grade (Using Admixture –Sikament) provided here is for reference purpose only. GGBS-Fly Ash concrete is slightly higher compared to control mix. GRADE-33; GRADE-43; GRADE-53; GRADE 33: The grade 33 Portland cement shows their high workability as compared to the other grades. M20 grade of concrete with proportions of 1:2.03:3.3 with water cement ratio of 0.55 is taken. This report shows that tensile strength also gives good performance for 20%, 30 % and 40% replacement which is more than normal plain concrete. … for different proportions of GGBS for M25 grade of concrete. 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. Assessment criteria. – GGBS is a slag waste product from steel plants, which is subsequently processed. Actual site conditions vary and thus this should be adjusted as per the location and other factors. Cubes which have sizes of about 150X150X150mm were casted using the mixes. 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. The cubes and cylinders are tested for compressive strengths and split tensile strength. 0 5 10 15 20 25 30 35 40 45 50 The partially replaced concrete showed an increase in strength as compared to conventional concrete. 3.2 Compressive Strength A total of 60 cube specimens was cast to find out the compressive strength of the concrete. The raw materials which was used as VSI Coarse aggregate 10mm, 20mm, fine aggregate was used as VSI C. Sand (artificial sand) & SNF (sulphonated … In this project it is proposed to study the Experimental Behavior of Reinforced Concrete with Partial Replacement of Cement with GGBS. Slump value is maximum for G15F15 which means slump value increases when GGBS and Fly Ash are used in same quantity in concrete. Samples of the data sets used in the programme for . 9. 1. 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. 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