scholarly journals Strength Characteristics of GGBS and Steel Slag based Binary Mix Concrete

2018 ◽  
Vol 7 (3.12) ◽  
pp. 348
Author(s):  
K K.Siddhartha ◽  
P Bhuvaneshwari ◽  
Saravana Raja Mohan.K
Keyword(s):  
Tensile Strength ◽  
Blast Furnace Slag ◽  
Steel Slag ◽  
Industrial Wastes ◽  
Partial Replacement ◽  
Fine Aggregate ◽  
Strength Parameters ◽  
Conventional Concrete ◽  
Granulated Blast Furnace Slag ◽  
Furnace Slag

The objective of this study is to experimentally study the effect of partial replacement of Portland cement and fine aggregate by the industrial wastes ground granulated blast furnace slag (GGBS) and steel slag (SS) respectively, on the various strength parameters of concrete. Totally 9 mixes were proposed according to ACI standards, with varying replacements of cement with 40%, 50% and 60% of GGBS and varying replacement of fine aggregate with steel slag by 10%, 20% and 30% weight of concrete. The compressive strength using cubes of size 100 mm x 100 mm x 100 mm and splitting tensile strength using cylinder of size 100 mm x 200 mm were found out for curing periods of 14 and 28 days respectively for all the mixes. Results were then compared with conventional concrete and the optimum replacement percentage of GGBS and steel slag is reported.  

scholarly journals Analysis of Strength of Concrete with Partial Replacement of Cement with Fly Ash and Fine Aggregate with Blast Furnance Slag Sand

2020 ◽  
pp. 48-51
Keyword(s):  
Fly Ash ◽  
Blast Furnace Slag ◽  
Partial Replacement ◽  
Fine Aggregate ◽  
Second Variation ◽  
Construction Work ◽  
River Sand ◽  
Conventional Concrete ◽  
Granulated Blast Furnace Slag ◽  
Furnace Slag

The utilization of waste materials from the industries has been continuously gaining emphasis in the construction work recently. The present work is to use Processed Granulated Blast Furnace Slag Sand and Fly ash as combined replacement for river sand and ordinary Portland cement respectively. M35 grade of concrete with W/C 0.4 will be adopted with two percentages of cement replacement by Fly Ash i.e, 30% and 40%, along with this the slag sand is varied from 0% to 100% in step of 20%. In first variation, 30% Fly Ash is replaced by cement and slag sand is varied as 0%, 20%, 40%, 60%, 80% and 100%. In second variation, 40% GGBS is replaced with cement and slag sand is varied as 0%, 20%, 40%, 60%, 80%, and 100%. For all mixes compressive strength, split tensile and flexural strength will be determined at different days of curing. The strength of cube specimens, cylinders and beams will be determined and compared with conventional concrete specimens. The beams are tested for flexure, under two point loading condition. Different parameters will be investigated in detail. In this paper literature is reviewed in detail to understand the experimental analysis.

scholarly journals Influence of Ground Granulated Blast Furnace Slag on the Index, Compaction Parameters and Mechanical Strength of Khairpur Mir’s Natural Soil

2020 ◽  
Vol 10 (1) ◽  
pp. 83-88
Author(s):  
Touqeer Ali Rind ◽  
Hemu Karira ◽  
Shahzad Ali Mirani ◽  
Ali Khan Mari
Keyword(s):  
Blast Furnace ◽  
Mechanical Strength ◽  
Blast Furnace Slag ◽  
Research Work ◽  
Cost Benefit ◽  
Industrial Wastes ◽  
Natural Soil ◽  
Strength Parameters ◽  
Granulated Blast Furnace Slag ◽  
Furnace Slag

AbstractIn developing countries like Pakistan, Due to rapid growth and population, an increase in the production of industrial waste is rising significantly day by day. Stabilization of soil using those industrial wastes not only gives proper usage of waste materials but also increases the cost-benefit ratio as a whole. In this research work, an attempt was made to use Ground granulated blast furnace slag (GGBFS) in the stabilization of District Khairpur Mirs’ soil. Generally, while dealing with building construction industry such as foundations for buildings, highways such as subgrades as a foundation and in earthen dams as landfills sometimes there exist naturally occurring unsuitable soils. District Khairpur Mirs’ soil is accounted for the different laboratory tests and the concerned District Khairpur Mirs’ soil found to be relatively unsuitable; therefore, various percentages of ground granulated blast furnace slag were added to make it suitable. To improve the concerned soil different percentages of slag are used, and samples thus formed so for were tested in the laboratory for this research work. Various laboratorial tests like particle size distribution, Atterberg limits, Modified Proctor test, AASHTO soil classification, and CBR test were performed on controlled and stabilized soil samples. The aim of this research study was to examine the influence of ground granulated blast-furnace slag (GGBFS) on the index, Compaction and mechanical strength parameters of natural Khairpur Mirs’ soil. Finally, based on laboratorial tests, it was observed that stabilization of soil by GGBFS made favourable changes on the index, compaction and strength parameters of District Khairpur Mirs’ soil.

scholarly journals Characterization of Supplementary Cementitious Materials and Fibers to Be Implemented in High Temperature Concretes for Thermal Energy Storage (TES) Application

Energies ◽  
2021 ◽  
Vol 14 (16) ◽  
pp. 5190
Author(s):  
Laura Boquera ◽  
David Pons ◽  
Ana Inés Fernández ◽  
Luisa F. Cabeza
Keyword(s):  
Tensile Strength ◽  
Blast Furnace ◽  
High Temperature ◽  
Blast Furnace Slag ◽  
Steel Slag ◽  
Cementitious Materials ◽  
Iron Silicate ◽  
Supplementary Cementitious Materials ◽  
Granulated Blast Furnace Slag ◽  
Furnace Slag

Six supplementary cementitious materials (SCMs) were identified to be incorporated in concrete exposed to high-temperature cycling conditions within the thermal energy storage literature. The selected SCMs are bauxite, chamotte, ground granulated blast furnace slag, iron silicate, silica fume, and steel slag. A microstructural characterization was carried out through an optical microscope, X-ray diffraction analysis, and FT-IR. Also, a pozzolanic test was performed to study the reaction of SCMs silico-aluminous components. The formation of calcium silica hydrate was observed in all SCMs pozzolanic test. Steel slag, iron silicate, and ground granulated blast furnace slag required further milling to enhance cement reaction. Moreover, the tensile strength of three fibers (polypropylene, steel, and glass fibers) was tested after exposure to an alkalinity environment at ambient temperature during one and three months. Results show an alkaline environment entails a tensile strength decrease in polypropylene and steel fibers, leading to corrosion in the later ones.

scholarly journals Effect of Polypropylene Fiber, GGBS and Fly Ash over the Strength Aspects of Concrete: A Critical Review

2021 ◽  
Vol 9 (VI) ◽  
pp. 978-983
Author(s):  
Khalid Bashir Mir
Keyword(s):  
Tensile Strength ◽  
Compressive Strength ◽  
Blast Furnace ◽  
Fly Ash ◽  
Blast Furnace Slag ◽  
Polypropylene Fiber ◽  
Synthetic Fiber ◽  
Partial Replacement ◽  
Granulated Blast Furnace Slag ◽  
Furnace Slag

In this review study the usage of three different kinds of constructional materials was discussed in detail. The three materials comprised of Ground Granulated Blast Furnace Slag, fly and polypropylene fiber. Ground Granulated Blast Furnace Slag is basically the slag derived after the quenching process of iron slag produced during the processing of iron in iron industry. Fly ash is the waste generated from the coal processing industries and is mainly used in the road constructions works. Polypropylene fiber is a synthetic fiber that has very high tensile strength and flexural strength. This fiber is also known as synthetic fiber as it is mainly used in the synthetic industry. Depending upon the results of previous studies over the usage of these materials various conclusions has been drawn which are as follows. The results of studies related to the usage of Ground Granulated Blast Furnace Slag as partial replacement of cement concluded that the most optimum usage percentage of Ground Granulated Blast Furnace Slag as partial replacement of cement was found to be between 20 percent and 30 percent and beyond this limit the strength of concrete was decreasing. The past studies related to the usage of fly ash as partial replacement of cement shoed that the most optimum usage percentage of fly ash was found to be between 15 percent to 20 percent and beyond this percentage the strength parameters of concrete such as compressive strength, flexural strength and split tensile strength starts declining up to a greater extent. The studies related to the usage of polypropylene fiber showed that the usage of this fiber increases the compressive strength of soil and the most optimum results were found between 1.0 percent to 1.5 percent usages of polypropylene fiber. Above this percentage there will be negative effect on the strength aspects and the compressive strength starts declining.

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