scholarly journals Behaviour of GGBS and ROBO Sand Replaced High Performance Concrete

2019 ◽  
Vol 8 (12) ◽  
pp. 5773-5776
Keyword(s):  
High Performance ◽  
High Performance Concrete ◽  
Unit Cost ◽  
Mechanical Tests ◽  
Split Tensile Strength ◽  
Granulated Blast Furnace Slag ◽  
Points Of Interest ◽  
Shrinkage And Creep ◽  
Furnace Slag

The utilization of superior strength concrete offers points of interest in durability, simplicity of position, and decreased shrinkage and creep, just as expanded compressive, shear and rigidity. Balancing these favorable circumstances are possibly diminished flexibility and imperviousness to fire, and expanded unit cost. The present paper centers around the researching attributes of M50 evaluation concrete with replacement of cement with Ground Granulated Blast Furnace Slag (GGBS) and sand with the ROBO sand (crusher dust). The solid concrete cubes and cylinders are tried for compressive and split tensile strength. It is discovered that by replacement of cement with GGBS and the sand with ROBO sand helped in improving the quality of the solid considerably contrasted with ostensible blend concrete. The compressive quality is learned at 7days, 28 days. Water decreasing admixtures are utilized to expand functionality qualities. For all degrees of bond substitution cement accomplished predominant execution in the crisp and mechanical tests ought to be contrasted and the reference blend.

scholarly journals DURABILITY PROPERTIES OF TERNARY BLENDED FLOWABLE HIGH PERFORMANCE CONCRETE CONTAINING GROUND GRANULATED BLAST FURNACE SLAG AND PULVERIZED FUEL ASH

2019 ◽  
Vol 81 (4) ◽  
Author(s):  
Cheah Chee Ban ◽  
Chow Wee Kang
Keyword(s):  
Blast Furnace Slag ◽  
High Performance ◽  
High Performance Concrete ◽  
Durability Properties ◽  
Granulated Blast Furnace Slag ◽  
Concrete Production ◽  
Fuel Ash ◽  
Pulverized Fuel ◽  
Pulverized Fuel Ash ◽  
Furnace Slag

The use of ordinary Portland cement as the primary binder in concrete production resulted in the high carbon footprint of the concrete material which cause a great deal of environmental impacts over the years. The consumption of OPC is especially significant for high strength concrete, which require a very high cement content (more than 450 kg/m3). Hence, supplementary cementitious materials such as ground granulated blast furnace slag (GGBS) and pulverized fuel ash (PFA) were chosen as partial replacement materials of OPC for concrete production in the research due to their ease of availability from the steelmaking manufacturing sectors and coal-fired electricity power stations in the country. As the sustainability of concrete is also our main concern, the durability performance of flowable high performance concrete containing high volume of GGBS and PFA (50-80% replacement of OPC) has been studied in this research. Therefore, the durability properties of flowable high performance concrete had been assessed in term of air permeability, porosity, water absorption and capillary action. From the results of assessment, all ternary blended concrete mixes exhibited better durability performances than control OPC concrete at later ages due to formation of denser microstructure by pozzolanic reaction of GGBS and PFA. It is concluded that the mix proportion of flowable high performance concrete production with 60% replacement of OPC by GGBS and PFA has the optimum durability performances than OPC concrete.

Options for Improving the Workability of High Performance Concrete

2015 ◽  
Vol 1106 ◽  
pp. 53-56 ◽  
Author(s):  
Michal Ženíšek ◽  
Tomáš Vlach ◽  
Lenka Laiblová
Keyword(s):  
Blast Furnace Slag ◽  
High Performance ◽  
High Performance Concrete ◽  
High Strength ◽  
Mix Design ◽  
Correct Selection ◽  
Cement Ratio ◽  
Granulated Blast Furnace Slag ◽  
Furnace Slag ◽  
Selection Of

A low water-cement ratio is one of the main characteristics of high performance concrete thanks to high strength of concrete is achieved. However, it leads to deterioration of the rheological properties and therefore it is necessary to use a plasticizing admixtures. Other options to influence workability are introduced in this article. There is studied the correct selection of cement, the temperature of water, the particle size distribution of aggregates (packing density) and the use of ground granulated blast furnace slag (GGBS). The performed experiments show a greater or lesser influence all studied options on the workability. Therefore this options is appropriate to keep in mind during mix design of high performance concrete.

scholarly journals Behavior of Monotonic Loading for Glass Fibre based High Performance Concrete in External Beam-Column Joint using ANSYS. Analysis

2020 ◽  
Vol 184 ◽  
pp. 01088
Author(s):  
C Vivek Kumar ◽  
Patam Manisha ◽  
Pooja Sadula
Keyword(s):  
Blast Furnace ◽  
Glass Fibre ◽  
Blast Furnace Slag ◽  
High Performance ◽  
High Performance Concrete ◽  
Monotonic Loading ◽  
Partial Replacement ◽  
Granulated Blast Furnace Slag ◽  
Column Joint ◽  
Furnace Slag

Strength, ductility of structures differ primarily on appropriate detailing of. beam column joints need a vital role in the structural reliability of the structures given with appropriate stiffness and ultimate strength to maintain the loads transmitted from beam and column. Beam column joints defined as the reinforced concrete buildings, in which portion of columns and beams having their intersections. Although these forces greater than these are affected during earthquakes, joints are relentlessly damaged. As far as earthquake is affected, research on beam-column joint is essential. In HPC, these materials with admixtures are meticulously designated and proportioned to produce very high early, ultimate strengths and durability away from conventional concrete. The admixtures like flyash, silicafume, ground granulated blast furnace slag (GGBFS), which are combined with its strength and durability and boost its marketability as a natural friendly product. The most important purpose of the present study is to investigate the performance of high performance reinforced beam-column joints (replacement of cement with GGBFS). Ground granulated blast furnace GGBFS is employed as a partial replacement of cement with glass fibre and super plasticizer is applied to accomplish required workability. In this study, a evaluation of control specimen and specimen of beam column joint with 7.5% GGBFS and 0.3% glass fibre replacement intended as per IS 456:2000 and IS 13920:2016. Also, to ascertain the performance of beam-column joints subjected to monotonic loading for high performance concrete employing with Ground Granulated Blast Furnace Slag (GGBFS) and glass fibre.

The Influence of Blast Furnace Slag Content on Durability of High Performance Concrete

2014 ◽  
Vol 600 ◽  
pp. 514-519
Author(s):  
Aissa Talah ◽  
F. Kharchi
Keyword(s):  
Blast Furnace ◽  
Blast Furnace Slag ◽  
High Performance ◽  
Mechanical Characteristics ◽  
High Performance Concrete ◽  
Chloride Ions ◽  
Granulated Blast Furnace Slag ◽  
And Migration ◽  
Chloride Environment ◽  
Furnace Slag

This paper reports an experimental study of the influence of finely ground-granulated blast-furnace slag (GGBS) used as partial substitute for Portland cement (PC) on the mechanical properties and durability of high performance concretes. The analysis of the experimental results on concrete at 17.5% content of blast furnace slag with a fineness modulus of 8500 cm2/g, in a chloride environment, showed that it contributes positively to the perfection of its mechanical characteristics, its durability with respect to water absorption and migration of chloride ions. On the basis of the experiments performed, it can be concluded that the GGBS is suitable for formulation of high performance concretes (HPC) and their properties are significantly better compared to the reference concrete (RC).

Mix Proportion Design of P (AA-co-MA)/PEG Polycarboxylic Copolymer and High Performance Concrete with Composite Admixture

2012 ◽  
Vol 246-247 ◽  
pp. 1085-1090
Author(s):  
Bao Fan Chen
Keyword(s):  
High Performance ◽  
High Performance Concrete ◽  
Raw Materials ◽  
Effect Analysis ◽  
High Rise ◽  
Slag Powder ◽  
Granulated Blast Furnace Slag ◽  
Mix Proportion ◽  
Furnace Slag ◽  
Cement Setting

This paper sets forth from the effect analysis of the concrete raw materials and all kinds of the performance index tests. It makes further research and exploration of the mix proportion design of P (AA-co-MA)/PEG polycarboxylic copolymer and high performance concrete with composite admixture, combining the mixture of the high performance concrete as well as the performances such as the workability, the hardness of the cement setting and hardening and the endurance quality. It is found that mixing 1.46% P (AA-co-MA)/PEG polycarboxylic copolymer, 15% fly ash and 10% granulated blast furnace slag powder together and adding the mixture into the concrete can not only save the cement but also improve the performance of the concrete. The designed C30 mix propor-tion design of P (AA-co-MA)/PEG polycarboxylic copolymer and high performance concrete with composite admixture has been applied successfully in the high-rise building construction.

Ground Granulated Blast Furnace Slag as Partial Replacement of the Binder of High Performance Concrete

2014 ◽  
Vol 1054 ◽  
pp. 90-94 ◽  
Author(s):  
Michal Ženíšek ◽  
Tomáš Vlach ◽  
Lenka Laiblová
Keyword(s):  
Tensile Strength ◽  
Blast Furnace ◽  
Blast Furnace Slag ◽  
High Performance ◽  
High Performance Concrete ◽  
Partial Replacement ◽  
Granulated Blast Furnace Slag ◽  
Furnace Slag ◽  
Reference Mixture ◽  
Original Reference

This article deals with influence of the ground granulated blast furnace slag (GGBS) in the mixture of high performance concrete. It is a powder active addition used in concrete which is characterized certain cementitious properties. Influence of this addition was experimentally verified. In the first series, partial replacement of cement by GGBS was tested. In the second series, GGBS was added to the original reference mixture. Studied parameters were compressive strength, tensile strength and workability. The tests have shown that a partial replacement of the cement by GGBS is possible for achieving the desired workability or if we need to reduce the price of concrete.

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