Investigation on the Effect of Concentration of NaOH with Partial Replacement of Fine Aggregate in Polyurethane-Foamed Geopolymer Concrete DOI Creative Commons

Vignesh Krishnan,

Dhiraj Kumar

International Journal of Civil Engineering, Journal Year: 2024, Volume and Issue: 11(12), P. 117 - 128

Published: Dec. 31, 2024

This study explores the effects of Polyurethane Foam (PUF) as fine aggregate and different NaOH molarity (M) to analyze rheological behavior, hardened properties microstructural behavior Geopolymer concrete (GPC) optimize replacement molarity. For this purpose, In PUF-GPC mix, GPC varied from 10 14 at intervals 2 with 1.5 % superplasticizers (SP) improve workability GPC. The optimum strength were attained 15% PUF 12 slump values, compressive, split tensile, flexural results. results indicate that optimal M, replacement, achieves highest compressive (40.4 MPa), tensile (5.15 (5.98 MPa) 28 days. These findings highlight potential PUF-based optimized a sustainable alternative in construction applications. concluded M concentration binder contents (fly ash-50% GGBS-50%) SP (2%) based provided better workability, behaviour.

Language: Английский

Chemical Composition, Source Apportionment of Rainwater, and its contribution to nutrient deposition at an Urban Site of the Middle Indo-Gangetic Plain Region DOI

Sanny Rathore,

Kirpa Ram, Pramod Kumar

et al.

Atmospheric Pollution Research, Journal Year: 2025, Volume and Issue: unknown, P. 102518 - 102518

Published: March 1, 2025

Language: Английский

Citations

0
Spatial Air Quality Assessment in Peninsular Malaysia: Insights from Environmetric Analyses and Artificial Neural Networks DOI Open Access

Mohd Suzairi,

Mohd Shafi',

Hafizan Juahir

et al.

International Internal Medicine Journal, Journal Year: 2024, Volume and Issue: 2(4), P. 01 - 15

Published: April 4, 2024

The research investigated the spatial distribution of air quality in Peninsular Malaysia to offer crucial insights for mitigating degradation. Utilizing historical data obtained from Malaysian Department Environment, eleven years' worth (2011-2021) daily readings PM10, O3 , SO2 NO2 and CO thirty-four monitoring stations were subjected environmetric techniques Artificial Neural Network analysis. HACA successfully classified seven into High Pollution Cluster (HPC), Moderate (MPC), twenty Low (LPC). discriminant analysis demonstrated a correct assignment rate 91.87%, suggesting that all five parameters able discriminate with significance level p<0.0001. Principal Component Analysis (PCA) revealed two Variance Factors (VFs) across clusters, cumulative variances 69.43% 82.32% 62.16% (LPC) respectively. Furthermore, employing Multi-Layer Perceptron Feed-Forward (MLP-FF-ANN) model predict API yielded significant strong correlation, as indicated by R2 =0.7774 RMSE=9.9048. These findings hold potential informing adoption effective preventative management strategies

Language: Английский

Citations

0
None DOI Creative Commons

Mohd Suzairi,

Mohd Shafi',

Hafizan Juahir

et al.

International Internal Medicine Journal, Journal Year: 2024, Volume and Issue: 2(4)

Published: April 4, 2024

The research investigated the spatial distribution of air quality in Peninsular Malaysia to offer crucial insights for mitigating degradation.Utilizing historical data obtained from Malaysian Department Environment, eleven years ' worth (2011-2021) daily readings PM 10 , O 3 SO 2 NO and CO thirty-four monitoring stations were subjected environmetric techniques Artificial Neural Network analysis. HACA successfully classified seven into High Pollution Cluster (HPC), Moderate (MPC), twenty Low (LPC).The discriminant analysis demonstrated a correct assignment rate 91.87%, suggesting that all five parameters able discriminate with significance level p<0.0001.Principal Component Analysis (PCA) revealed two Variance Factors (VFs) across clusters, cumulative variances 69.43% 82.32% 62.16% (LPC) respectively.Furthermore, employing Multi-Layer Perceptron Feed-Forward (MLP-FF-ANN) model predict API yielded significant strong correlation, as indicated by R =0.7774 RMSE=9.9048.These findings hold potential informing adoption effective preventative management strategies.

Language: Английский

Citations

0
Investigation on the Effect of Concentration of NaOH with Partial Replacement of Fine Aggregate in Polyurethane-Foamed Geopolymer Concrete DOI Creative Commons

Vignesh Krishnan,

Dhiraj Kumar

International Journal of Civil Engineering, Journal Year: 2024, Volume and Issue: 11(12), P. 117 - 128

Published: Dec. 31, 2024

This study explores the effects of Polyurethane Foam (PUF) as fine aggregate and different NaOH molarity (M) to analyze rheological behavior, hardened properties microstructural behavior Geopolymer concrete (GPC) optimize replacement molarity. For this purpose, In PUF-GPC mix, GPC varied from 10 14 at intervals 2 with 1.5 % superplasticizers (SP) improve workability GPC. The optimum strength were attained 15% PUF 12 slump values, compressive, split tensile, flexural results. results indicate that optimal M, replacement, achieves highest compressive (40.4 MPa), tensile (5.15 (5.98 MPa) 28 days. These findings highlight potential PUF-based optimized a sustainable alternative in construction applications. concluded M concentration binder contents (fly ash-50% GGBS-50%) SP (2%) based provided better workability, behaviour.

Language: Английский

Citations

0