Steel and Composite Structures

  • 제45권2호
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  • Pages.205-218
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  • 2022
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  • 1229-9367(pISSN)
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  • 1598-6233(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Ensembles of neural network with stochastic optimization algorithms in predicting concrete tensile strength

  • Hu, Juan (School of urban construction, Zhejiang Shuren University) ;
  • Dong, Fenghui (College of Civil Engineering, Nanjing Forestry University) ;
  • Qiu, Yiqi (Poly Changda Engineering Co., Ltd.) ;
  • Xi, Lei (CCCC First Highway Survey, Design and Research Institute Co., Ltd.) ;
  • Majdi, Ali (Department of Building and Construction Technologies Engineering, Al- Mustaqbal University College) ;
  • Ali, H. Elhosiny (Advanced Functional Materials & Optoelectronic Laboratory (AFMOL), Department of Physics, Faculty of Science, King Khalid University)
  • 투고 : 2021.08.04
  • 심사 : 2022.10.24
  • 발행 : 2022.10.25
⟨ 이전 논문 다음 논문 ⟩

초록

Proper calculation of splitting tensile strength (STS) of concrete has been a crucial task, due to the wide use of concrete in the construction sector. Following many recent studies that have proposed various predictive models for this aim, this study suggests and tests the functionality of three hybrid models in predicting the STS from the characteristics of the mixture components including cement compressive strength, cement tensile strength, curing age, the maximum size of the crushed stone, stone powder content, sand fine modulus, water to binder ratio, and the ratio of sand. A multi-layer perceptron (MLP) neural network incorporates invasive weed optimization (IWO), cuttlefish optimization algorithm (CFOA), and electrostatic discharge algorithm (ESDA) which are among the newest optimization techniques. A dataset from the earlier literature is used for exploring and extrapolating the STS behavior. The results acquired from several accuracy criteria demonstrated a nice learning capability for all three hybrid models viz. IWO-MLP, CFOA-MLP, and ESDA-MLP. Also in the prediction phase, the prediction products were in a promising agreement (above 88%) with experimental results. However, a comparative look revealed the ESDA-MLP as the most accurate predictor. Considering mean absolute percentage error (MAPE) index, the error of ESDA-MLP was 9.05%, while the corresponding value for IWO-MLP and CFOA-MLP was 9.17 and 13.97%, respectively. Since the combination of MLP and ESDA can be an effective tool for optimizing the concrete mixture toward a desirable STS, the last part of this study is dedicated to extracting a predictive formula from this model.

키워드

과제정보

This work was supported by the Natural Science Foundation of Zhejiang Province (Grant No. Y20A020034), the Open Fund Project of Key Scientific Research Platform for Basic Scientific Research of Central Universities (310821171119), and the Natural Science Foundation of Jiangsu Province (Grant No. BK20200793).

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