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Prediction of compressive strength and tensile strain of engineered cementitious composite using machine learning

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Abstract

This research extensively used different progressive machine learning (ML) techniques to predict the compressive strength (CS) and tensile strain (TSt) of engineered cementitious composites (ECC) with 14 input variables and six algorithms. Specifically, random forest (RF), support vector machine, extreme gradient boosting (XGBoost), light gradient boosting machine, categorical gradient boosting (CatBoost), and natural gradient boosting techniques were used in the present study, to understand mechanical properties of ECC meanwhile these properties are crucial for design codes and developing new reliable models for mixtures. The discrepancy between the ML technique and specific ECC expected outputs is novel in this study and will aid researchers in better understanding of ECC features. To estimate the CS and TSt of the ECC, 2535 and 1469 input data points, respectively, were incorporated based on the material ratio, W/B, and different properties of the fibers. In addition, hyperparameter optimization techniques have also been used in ML to improve over fitting and make the model more accurate and robust. Moreover, an error analysis was highlighted between the actual and predicted CS and TSt of the ECC with each ML technique. Also, the significance and influence of the variable inputs that affect the CS and TSt were explained using the Shapley additive explanation (SHAP) approach. Among all approaches, CatBoost and XGBoost predicted the CS and TSt of ECC with greater accuracy than other techniques in terms of the coefficient of determination (R2), mean square error, mean absolute error, root mean square error, and symmetric mean absolute percentage error. The training and testing R2 values of CatBoost and XGBoost for predicting the CS and TSt of ECC were 0.96, 0.89, 0.89, and 0.76, respectively. SHAP analysis revealed that W/B and fiber elongation were the most significant input variables for the CS and TSt of the ECC.

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Data availability

The authors declare that the data supporting the findings of this study are available within the article.

Abbreviations

ECC:

Engineered cementitious composite

SCM:

Supplementary cementitious materials

FRC:

Fiber reinforced concrete

OPC:

Ordinary Portland cement

GGBS:

Ground granulated blast-furnace slag

HRWR/B:

High range water reducer/binder ratio

ECS:

Experimental compressive strength

SHCC:

Strain hardening cementitious composite

PVA:

Polyvinyl alcohol fiber

CS:

Compressive strength

PE:

Polyethylene fiber

GF:

Glass fiber

TS:

Tensile strength

PP:

Poly propylene fiber

TSt:

Tensile strain

LAS:

Locally available sand

AR:

Aspect ratio

Fy :

Fiber volume

FA:

Fly ash

SF:

Silica fume

SS:

Silica sand

NS:

Natural sand

σ:

Tensile strength

ρ:

Density

E:

Modulus of elasticity

Δ:

Elongation

W/B:

Water binder ratio

BF:

Basalt fiber

ML:

Machine learning

R2 :

Coefficient of determination

MAPE:

Mean absolute percentage error

WMAPE:

Weighted mean absolute percentage error

SMAPE:

Symmetric mean absolute percentage error

XGBoost:

Extreme gradient boosting

Ngboost:

Natural gradient boosting

LightGBM:

Light gradient boosting machine

CatBoost:

Categorical gradient boosting

SHAP:

Shapley additive explanations

SL:

Supervised learning

OSS:

One side sampling

EFB:

Exclusive feature bundling

MLR:

Multiple linear regression

FR-CNN:

Faster region-based convolutional neural networks

ANN:

Artificial neural network

GP:

Genetic programming

SVM:

Support vector machine

RMSE:

Root mean square error

VA:

Variance account

MAE:

Mean absolute error

MSE:

Mean square error

RSR:

Standard deviation ratio

RF:

Random forest

Ref:

References

ET:

Extra tree

SVM:

Support vector machine

HO:

Hyper optimization

UL:

Unsupervised learning

CNN:

Convolutional neural networks

References

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Acknowledgments

The authors wish to thank Dr. K Prakasan, Principal, PSG College of Technology, Coimbatore, for the facilities and support provided for carrying out this research at Advanced Concrete Research Laboratory and acknowledge Tongji University for providing digital library support through the research papers cited in this work.

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Authors and Affiliations

Authors

Contributions

MNU: Writing an original draft, Software, and Visualization. NS: Conceptualization, Data curation, Methodology, Investigation, and Writing an original draft. SP: Writing-review & editing, Supervision. LZL: Writing-review & editing, Supervision.

Corresponding author

Correspondence to S. Praveenkumar.

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Conflict of interest

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Ethical approval

This article does not contain any studies with human participants performed by any of the authors.

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Appendix

Appendix

See Tables 4 and 5.

Table 4 Input data’s for prediction of CS
Table 5 Input data’s for prediction of TSt

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Uddin, M.N., Shanmugasundaram, N., Praveenkumar, S. et al. Prediction of compressive strength and tensile strain of engineered cementitious composite using machine learning. Int J Mech Mater Des (2024). https://doi.org/10.1007/s10999-023-09695-0

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  • DOI: https://doi.org/10.1007/s10999-023-09695-0

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