Technical Papers
Jan 27, 2022

Use of Different Hyperparameter Optimization Algorithms in ANN for Predicting the Compressive Strength of Concrete Containing Calcined Clay

Publication: Practice Periodical on Structural Design and Construction
Volume 27, Issue 2

Abstract

Calcined clays as supplementary cementitious materials (SCMs) have the potential to answer the need for SCMs because they have many resources in comparison with other SCMs. Moreover, calcined clays can be combined with limestone, which makes limestone calcined clay cement (LC3). LC3 can reduce the clinker of cement, which leads to the reduction of carbon dioxide pollution. The application of calcined clays as SCMs can make concrete with lower cost and the same compressive strength in comparison with other SCMs such as fly ash. Therefore, in this research, a predictive model has been built by the application of an artificial neural network (ANN), which can encourage the industry to increase the clay application in concrete. On the other hand, for improving the performance of the ANN model, four different optimization algorithms, such as genetic algorithm (GA), Bayesian optimization with a Gaussian process (BO-GP), Bayesian optimization with tree parzen estimator (BO-TPE), and hyperband algorithm, have been applied to optimize the number of neurons, number of hidden layers, activation function, number of batches, and epochs to predict the compressive strength of concrete. The results performance of models showed the superiority of the hyperband algorithm in running time and accuracy.

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Data Availability Statement

Some or all data, models, or code that support the findings of this study are available from the corresponding author upon reasonable request:
The data that have been collected and used in this study are available in Excel format upon reasonable request.

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Practice Periodical on Structural Design and Construction
Volume 27Issue 2May 2022

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Received: Aug 6, 2021
Accepted: Dec 3, 2021
Published online: Jan 27, 2022
Published in print: May 1, 2022
Discussion open until: Jun 27, 2022

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Master’s Graduate, Dept. of Civil Engineering, Shahid Rajaee Teacher Training Univ., Tehran 1678815811, Iran (corresponding author). ORCID: https://orcid.org/0000-0002-0156-0945. Email: [email protected]
Associate Professor, Dept. of Civil Engineering, Shahid Rajaee Teacher Training Univ., Tehran 1678815811, Iran. ORCID: https://orcid.org/0000-0003-0475-8129

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