M5 investigation on ternary binder incorporated with ferrochrome slag aggregate in concrete

This novel research pivotal, Portland cement incorporating Metakaolin (MK) and powdered Nano Silica (NS) matrix has been prepared with Manufactured Sand (Msand). M5 [Material characterization, Mix methodology, Mechanical strength, Microstructural and Monolithic tank leaching] have been investigated....

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Bibliographic Details
Published in:Applied nanoscience 2022-12, Vol.12 (12), p.3925-3944
Main Authors: Manigandan, N., Ponmalar, V.
Format: Article
Language:English
Subjects:
Calcium silicate hydrate
Chemistry and Materials Science
Clusters
Compressive strength
Concrete aggregates
Electron microscopes
Infrared spectroscopy
Intermetallic compounds
Leaching
Materials Science
Mechanical properties
Membrane Biology
Metakaolin
Microstructure
Nanochemistry
Nanotechnology
Nanotechnology and Microengineering
Original Article
Portland cements
Slag
Surface roughness
Wavelengths
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Summary:This novel research pivotal, Portland cement incorporating Metakaolin (MK) and powdered Nano Silica (NS) matrix has been prepared with Manufactured Sand (Msand). M5 [Material characterization, Mix methodology, Mechanical strength, Microstructural and Monolithic tank leaching] have been investigated. MK and NS aroused a homogeneous microstructure that possesses the rich mechanical property of concrete. Precisely, 10% of MK and 1% of NS from ternary replacement is ascertained as optimum. Fine aggregate is supplanted (10, 20, 30, 40, 50 and 100%) by the weight of Msand besides Ferrochrome Slag (FeCr slag). Fresh property of the slag cluster tends down the face, owing to pore structure and surface roughness. Percentage increase of cube crushing strength on 100% slag (D4) mix is 25.55% superior to referral concrete on 28 days. High-resolution scanning electron microscope (HR-SEM) corroborates uniform Interfacial Transmission Zone (ITZ) of D4 mix related to all other mixes. Micro and nano binder with slag is speculated to form a regime matrix. 100% FeCr slag is affirmed by microscopic imaging, confirming the strength degrading is due to Low density calcium silicate hydrate [CSH(L)]. Based on the result from the 64th day leaching test, Cumulative Total Chromium ( T Cr ) is within the US: EPA limit (
ISSN:2190-5509
2190-5517
DOI:10.1007/s13204-022-02615-2