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International Journal of Scientific Research in Civil Engineering

2021

High strength concrete (HSC) is highly promising building material widely used in large scale concrete constructions that require high strength, high flow ability and high durability. Several studies have been carried out in past decades to identify the use of supplementary cementitious material in concrete. To increase the durability along with strength of concrete leads to the use of high-strength concrete which is more beneficial for environmental attacks on the structure. Various studies are performed on HSC with respect to workability, strength and durability. The addition of different mineral and chemical admixtures increases the strength and durability of HSC. The effect of SCM on strength durability of High Strength Concrete(HPC)using GGBS with Alccofine & GGBS with silica fume is studied.

National Conference on Cost Effective Civil Engineering Practices for Rural and Urban Infrastructural DevelopmentIn association with International Journal of Scientific Research in Civil Engineering © 2021 IJSRCE | Volume 7 | Issue 1 | ISSN : 2456-6667 A Review on High Strength Concrete using GGBS with Alccofine and GGBS with Silica Fume Arjunkumar B1, Geena George2 M.tech. (Construction Technology), Department of Civil Engineering, EPCET , Bangalore, Karnataka, India. 1 Associate Professor ,Department of Civil Engineering, EPCET , Bangalore, Karnataka India 2 ABSTRACT High strength concrete (HSC) is highly promising building material widely used in large scale concrete constructions that require high strength, high flow ability and high durability. Several studies have been carried out in past decades to identify the use of supplementary cementitious material in concrete. To increase the durability along with strength of concrete leads to the use of high-strength concrete which is more beneficial for environmental attacks on the structure. Various studies are performed on HSC with respect to workability, strength and durability. The addition of different mineral and chemical admixtures increases the strength and durability of HSC. The effect of SCM on strength durability of High Strength Concrete(HPC)using GGBS with Alccofine & GGBS with silica fume is studied. Keywords : Highstrength concrete, Alccofine, GGBS, Silica Fume I. INTRODUCTION The concrete is generally classified according to Nowadays huge quantity of concrete is consumed in strength as(a) conventional concrete, up to grade 60 construction industry to meet the increasing demand MPa,(b) high strength concrete (HSC), grades 60 – 90 of infrastructure due to increase in population and MPa,(c)very high strength concrete (VHSC), grades urbanization. The continuous global demand for 90 – 130 MPa (d) reactive powder concrete (RPC), concrete indicates that, more aggregate and cement is grades 200 – 800 MPa; (e) high performance required in the production of concrete, thereby lightweight concrete (HPLC) greater than 55 MPa. leading to more extraction and depletion of deposits The use of high strength concrete in the construction of natural gravel, and increased CO2 emission. The industry has increased over the past years. This conventional concrete is designed on the basis of experimental study involves the use of mineral compressive strength does not meet durability admixture such as alccofine 1203 and GGBS in requirements .High strength concrete (HSC ) aims to enhance strength and consequent advantages owing enhancing the mechanical properties of high strength concrete. Silica fume is a by-product of the silicon to improved strength,) is used in the majority of smelting process which is apozzolanic material. Silica construction applications. fume is usedin high-strength concrete in two possesshigh strength,workability, durability. HSC is a concrete density and different ways, as replacement for cement, and as an additive to improve properties of concrete. The main Copyright: © the author(s), publisher and licensee Technoscience Academy. This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited 67 © 2021 IJSRCE | Online ISSN: 2456-6667| Published : 09/01/2021 | Page No : 67-70 advantage of mineral admixtures in high-strength of Alccofineimproves the workability and strength of concrete is to reduce the cement content, which concrete.It can be added directly with cement. results in economic and environmental benefits but Alccofine-1203 enhances the concrete properties. also increases the compressive strength and durability. Because of its fine particle size water demand is reduced can be considered as a high range water High Strength Concrete is required in engineering reducer to improve the workability. projects which has to resist high compressive . loads.It is typically used in the construction of high rise structures for components such as columns , shear walls and foundations and . also used in the construction of highwaybridges.HSC also permits reinforced or prestressed concrete girders to span greater lengths than thenormal concrete girders. It also enables to build the super structures of long span bridges and to enhance the durability of bridge decks. The use of high strength concrete offers numerous advantages in the sustainable and economical design of structures. Ground granulated blast furnace slag (GGBS) is a byproduct given from the steel industry. Blast furnace slag is defined as “the non-metallic product consisting essentially of calcium silicates and other bases that is to be developed in a molten condition simultaneously with iron and blast furnace to use as a cementitious material the GGBSmust be ground as finer than the cement .The fineness of grind will determine how rapidly the slag will react in the concrete. Silica fume, also known as micro silica, consists of Factors to be considered in thedesign of High ultrafine glassy spheres of silicon dioxide. It is a by- Strength Concrete product of the metallic silicon and ferrosilicon alloy production at high temperatures with an average The important factors that govern the strength of particle diameter of 150 nm. It is 50 to 100 times finer concrete are than the average size of cement and flash particles. Properties of cement paste Themicrosilica improves the early age strength, as it Properties of aggregate reacts fast in the first 3 days, also improves the Various chemical and mineral admixtures consistency of the fresh concrete. Properties of the admixtures used Proportions of the constituents to be used II. LITERATUREREVIEW Paste-Aggregate reaction Mixing, Compaction and Curing A. General: In the present investigation, GGBS and alccofine Admixtures used 1203 and silica fume has been utilized to find the characteristics influencing the high strength concrete. Replacing some portion of cement with GGBS and alcidine 1203 and replacing some portion of cement with GGBS and silica fume where the varying proportions are fixed by reviewing the literatures. Alccofine isa manufactured slag with high content of glass and high reactivity. The ultrafine particle Volume 7, Issue 1, January-February-2021| www.ijsrce.com 68 © 2021 IJSRCE | Online ISSN: 2456-6667| Published : 09/01/2021 | Page No : 67-70 B. Review of Literatures: 6) Revanth Jagana (2017): High strength concrete (HSC) has characteristic cube strength between 1) 2) 1.Mazloom, (2004): This paper investigated the 40 and 100 N/mm2, although higher strengths effect of binder system containing different levels of silica fume to improve the mechanical have been achieved and used. Higher strength properties of concrete. Partial replacement of precast and insitu works. High Strength Concrete silica fume at an interval of 5% (0% to is specified where reduction in 15%).Maximum compressive strength obtained is important or architectural considerations require 70 N/mm² at 15% which is the optimum smaller load carrying elements. The cost of percentage. Ajeesha, Rohini & Nair (2015):This paper focused reinforced cement concrete is found to be lesser for M60 grade concrete compared to on the role of ultrafine slag (Alccofine 1203) in M20 grade concrete. improving the properties of concrete. Alccofine 3) between 80 to 100 N/mm2 is used for both 7) weight is Alaa M. Rashad (2014) This paper investigated 1203 is replaced at varying percentage of 0% to the validity of producing high strength concrete 12%. Optimum results were obtained at for interval of 8-10% by OPC with compressive (HSC) using moderate cement content to reduce strength of 55.77 N/mm², flexural strength of is reduced from 500 kg/m3 to 400 kg/m3. The 9.08 N/mm² and split tensile strength of 3.75 reduction in amount of cement is compensated N/mm² for 28 days curing. by adding fine limestone (LS) powder. The effect Alok Kumar, OshinParihar & Rahul Chaudhary on characteristic strength of concrete such as (2016):This paper studied the influence of alccofine 1203 as a mineral admixture in compressive strength, flexural strength and split the consumption of the binders. Cement content tensile strength is studied. concrete when it is added in cement concrete. III. CONCLUSION Partial replacement of 43 grade OPC by alccofine for varying percentage of 5% to 15% 4) & This paper reviews intensively about the great potential of biological method, using the bacteria Kondraivendhan (2011): In this paper studied capable of precipitating ncrete can produce cost the effect of Ground Granulated Blast-furnace effective strong or durable structures. at an interval of 5% by total weight of OPC. Darren Lim, Da Xu ,SabetDivsholi Slag (GGBS) as a mineral admixture to improve IV. REFERENCES the workability and reducing the strength of concrete. The specimens containing 30% of 5) UFGGBS achieved higher compressive strength [1]. Alok Kumar, OshinParihar, Rahul Chaudhary, 109.8 N/mm² and also resistance to chloride ShivPrakash Singh, (2016) “Use of Alccofine 1206 penetration into the concrete to achieve high strength durable concrete” SSRG- 5 PendhariAnkush (2016):This study has conducted with the varying the proportions of micro silica with cement and GGBFS added about 20%. Micro silica is used in different International Journal of Civil Engineering, vol. 3 Issue 5 . [2]. Saurabh Gupta, Sanjay Sharma, Devinder Sharma (2015) “A Review on Alccofine : A percentages from 0% to 10%. The maximum supplementary compressive International Journal of Modern Trends in strength of 66.43 N/mm² is achieved at for a combination of 10% micro cementitous material” Engineering and Research vol. 2 Number 8. silica, 20% GGBFS and 70% cement. 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