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Modelling the minislump spread of superplasticized PPC paste using RLS with the application of Random Kitchen sink

Publication Type : Journal Article

Publisher : IOP Conference Series: Materials Science and Engineering

Source : IOP Conference Series: Materials Science and Engineering, Institute of Physics Publishing, Volume 310, Number 1 (2018)

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Keywords : Cement particles, Cements, Concretes, Dispersions, Dispersive properties, Manufacture, Mechanical properties, Output parameters, Random kitchen sinks, Regularized Least Squares, Rheological property, Solvents, Superplasticizers, Water-cement ratio

Campus : Coimbatore

School : School of Engineering

Department : Civil

Year : 2018

Abstract : Super plasticizers(SPs) are added to the concrete to improve its workability with out changing the water cement ratio. Property of fresh concrete is mainly governed by the cement paste which depends on the dispersion of cement particle. Cement dispersive properties of the SP depends up on its dosage and the family. Mini slump spread diameter with different dosages and families of SP is taken as the measure of workability characteristic of cement paste chosen for measuring the rheological properties of cement paste. The main purpose of this study includes measure the dispersive ability of different families of SP by conducting minislump test and model the minislump spread diameter of the super plasticized Portland Pozzolona Cement (PPC)paste using regularized least square (RLS) approach along with the application of Random kitchen sink (RKS) algorithm. For preparing test and training data for the model 287 different mixes were prepared in the laboratory at a water cement ratio of 0.37 using four locally available brand of Portland Pozzolona cement (PPC) and SP belonging to four different families. Water content, cement weight and amount of SP (by considering it as seven separate input based on their family and brand) were the input parameters and mini slump spread diameter was the output parameter for the model. The variation of predicted and measured values of spread diameters were compared and validated. From this study it was observed that, the model could effectively predict the minislump spread of cement paste. © Published under licence by IOP Publishing Ltd.

Cite this Research Publication : Dhanya Sathyan, Dr. Anand K. B., Jose, C., and Aravind, N. R., “Modelling the Minislump Spread of Superplasticized PPC Paste using RLS with the Application of Random Kitchen Sink”, IOP Conference Series: Materials Science and Engineering, vol. 310, 2018.

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