CSG compressive strength prediction based on LSTM and interpretable machine learning

As a new type of environmentally friendly building material, cemented sand and gravel (CSG) has advantages distinct from those of concrete. Compressive strength is an important mechanical property of CSG. However, his method of testing is mainly by doing experiments. For this reason, a deep learning...

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Main Authors: Tian Qingqing, Gao Hang, Guo Lei, Li Zexuan, Wang Qiongyao
Format: Article
Language:English
Published: De Gruyter 2023-11-01
Series:Reviews on Advanced Materials Science
Subjects:
Online Access:https://doi.org/10.1515/rams-2023-0133
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author Tian Qingqing
Gao Hang
Guo Lei
Li Zexuan
Wang Qiongyao
author_facet Tian Qingqing
Gao Hang
Guo Lei
Li Zexuan
Wang Qiongyao
author_sort Tian Qingqing
collection DOAJ
description As a new type of environmentally friendly building material, cemented sand and gravel (CSG) has advantages distinct from those of concrete. Compressive strength is an important mechanical property of CSG. However, his method of testing is mainly by doing experiments. For this reason, a deep learning algorithm, long short-term memory (LSTM) model, was proposed to predict the compressive strength of CSG by using four input variables, namely cement content, sand rate, water-binder ratio, and fly ash content, with a total of 114 sample data. Three metrics – coefficient (R 2), root mean square error (RMSE), and mean absolute error (MAE) – were used to evaluate the model’s performance, and the predicted results were compared with the traditional machine learning algorithm, namely the random forest (RF) model. Finally, SHapley Additive exPlanations can be combined to explain the contribution degree of each input feature in the machine learning inquiry model to the prediction results. The results show that the prediction accuracy and reliability of LSTM are higher. The LSTM model has R 2 = 0.9940, RMSE = 0.1248, and MAE = 0.0960, while the RF model has R 2 = 0.9147, RMSE = 0.4809, and MAE = 0.4397. The LSTM model can accurately predict CSG compressive strength. Cement and sand rate contribute more to the predicted results than other input characteristics.
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spelling doaj.art-556caf3069804bf4bdf2590deb594e232023-11-06T07:13:52ZengDe GruyterReviews on Advanced Materials Science1605-81272023-11-01621pp. 49049710.1515/rams-2023-0133CSG compressive strength prediction based on LSTM and interpretable machine learningTian Qingqing0Gao Hang1Guo Lei2Li Zexuan3Wang Qiongyao4North China University of Water Resources and Electric Power, Zhengzhou450046, ChinaNorth China University of Water Resources and Electric Power, Zhengzhou450046, ChinaNorth China University of Water Resources and Electric Power, Zhengzhou450046, ChinaNorth China University of Water Resources and Electric Power, Zhengzhou450046, ChinaNorth China University of Water Resources and Electric Power, Zhengzhou450046, ChinaAs a new type of environmentally friendly building material, cemented sand and gravel (CSG) has advantages distinct from those of concrete. Compressive strength is an important mechanical property of CSG. However, his method of testing is mainly by doing experiments. For this reason, a deep learning algorithm, long short-term memory (LSTM) model, was proposed to predict the compressive strength of CSG by using four input variables, namely cement content, sand rate, water-binder ratio, and fly ash content, with a total of 114 sample data. Three metrics – coefficient (R 2), root mean square error (RMSE), and mean absolute error (MAE) – were used to evaluate the model’s performance, and the predicted results were compared with the traditional machine learning algorithm, namely the random forest (RF) model. Finally, SHapley Additive exPlanations can be combined to explain the contribution degree of each input feature in the machine learning inquiry model to the prediction results. The results show that the prediction accuracy and reliability of LSTM are higher. The LSTM model has R 2 = 0.9940, RMSE = 0.1248, and MAE = 0.0960, while the RF model has R 2 = 0.9147, RMSE = 0.4809, and MAE = 0.4397. The LSTM model can accurately predict CSG compressive strength. Cement and sand rate contribute more to the predicted results than other input characteristics.https://doi.org/10.1515/rams-2023-0133long short-term memoryrandom forestcemented sand and gravelcompressive strengthdeep learningmachine learning
spellingShingle Tian Qingqing
Gao Hang
Guo Lei
Li Zexuan
Wang Qiongyao
CSG compressive strength prediction based on LSTM and interpretable machine learning
Reviews on Advanced Materials Science
long short-term memory
random forest
cemented sand and gravel
compressive strength
deep learning
machine learning
title CSG compressive strength prediction based on LSTM and interpretable machine learning
title_full CSG compressive strength prediction based on LSTM and interpretable machine learning
title_fullStr CSG compressive strength prediction based on LSTM and interpretable machine learning
title_full_unstemmed CSG compressive strength prediction based on LSTM and interpretable machine learning
title_short CSG compressive strength prediction based on LSTM and interpretable machine learning
title_sort csg compressive strength prediction based on lstm and interpretable machine learning
topic long short-term memory
random forest
cemented sand and gravel
compressive strength
deep learning
machine learning
url https://doi.org/10.1515/rams-2023-0133
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AT guolei csgcompressivestrengthpredictionbasedonlstmandinterpretablemachinelearning
AT lizexuan csgcompressivestrengthpredictionbasedonlstmandinterpretablemachinelearning
AT wangqiongyao csgcompressivestrengthpredictionbasedonlstmandinterpretablemachinelearning