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Predicting the compressive strength of clay solid masonry using optimized machine learning algorithms and partial dependence plot analysis 认领 引用
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作者 Amar MESSAS Karim BENYAHI +2 位作者 Arezki ADJRAD Youcef BOUAFIA Malika BELHOCINE 《ENGINEERING Structure and Civil Engineering》 SCIE EI CAS CSCD 2026年第2期297-320,共24页
Due to its low cost and its thermal and acoustic insulation properties,clay masonry is widely used in construction.Its compressive strength is the main mechanical property and is critical for structural design.This st... Due to its low cost and its thermal and acoustic insulation properties,clay masonry is widely used in construction.Its compressive strength is the main mechanical property and is critical for structural design.This study aims to predict it using machine learning(ML)techniques.An experimental database was compiled from uniaxial compression tests on solid clay masonry specimens.First,the performance of 18 empirical models from the literature was evaluated.Then,several ML algorithms were developed,including least absolute shrinkage and selection operator regression,decision tree regression,support vector regression,bagging tree,gradient boosting,random forest regression,artificial neural networks,and Gaussian process regression(GPR).The models were trained on 80%of the data and tested on the remaining 20%,with hyperparameter optimisation and 10-fold cross-validation.The findings highlight the lower performance of traditional empirical models compared to ML methods.They also show the superior predictive ability of GPR over other ML algorithms for estimating the compressive strength of clay solid masonry.Sensitivity analysis confirms that masonry unit strength is the most influential factor,with notable nonlinear interactions involving mortar strength and geometric ratios,while joint thickness primarily acts as a regime modulator. 展开更多
关键词 ML clay solid masonry compressive strength partial dependence plot analysis bayesian optimisation
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Explainable Data-Driven Modeling for Optimized Mix Design of 3D-Printed Concrete: Interpreting Nonlinear Synergies among Binder Components and Proportions 认领 引用
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作者 Yassir M.Abbas Abdulaziz Alsaif 《Computer Modeling in Engineering & Sciences》 SCIE EI 2025年第11期1789-1819,共31页
The rapid advancement of three-dimensional printed concrete(3DPC)requires intelligent and interpretable frameworks to optimize mixture design for strength,printability,and sustainability.While machine learning(ML)mode... The rapid advancement of three-dimensional printed concrete(3DPC)requires intelligent and interpretable frameworks to optimize mixture design for strength,printability,and sustainability.While machine learning(ML)models have improved predictive accuracy,their limited transparency has hindered their widespread adoption in materials engineering.To overcome this barrier,this study introduces a Random Forests ensemble learning model integrated with SHapley Additive exPlanations(SHAP)and Partial Dependence Plots(PDPs)to model and explain the compressive strength behavior of 3DPC mixtures.Unlike conventional“black-box”models,SHAP quantifies each variable’s contribution to predictions based on cooperative game theory,which enables causal interpretability,whereas PDP visualizes nonlinear and interactive effects between features that offer practical mix design insights.A systematically optimized random forest model achieved strong generalization(R2=0.978 for training,0.834 for validation,and 0.868 for testing).The analysis identified curing age,Portland cement,silica fume,and the water-tobinder ratio as dominant predictors,with curing age exerting the highest positive influence on strength development.The integrated SHAP-PDP framework revealed synergistic interactions among binder constituents and curing parameters,which established transparent,data-driven guidelines for performance optimization.Theoretically,the study advances explainable artificial intelligence in cementitious material science by linking microstructural mechanisms to model-based reasoning,thereby enhancing both the interpretability and applicability of ML-driven mix design for next-generation 3DPC systems. 展开更多
关键词 3D-printed concrete compressive strength machine learning mix design optimization partial dependence plots
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Uncertainties in landslide susceptibility prediction modeling:A review on the incompleteness of landslide inventory and its influence rules 认领 引用 被引量：8
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作者 Faming Huang Daxiong Mao +9 位作者 Shui-Hua Jiang Chuangbing Zhou Xuanmei Fan Ziqiang Zeng Filippo Catani Changshi Yu Zhilu Chang Jinsong Huang Bingchen Jiang Yijing Li 《Geoscience Frontiers》 SCIE CAS CSCD 2024年第6期80-104,共25页
Landslide inventory is an indispensable output variable of landslide susceptibility prediction(LSP)modelling.However,the influence of landslide inventory incompleteness on LSP and the transfer rules of LSP resulting e... Landslide inventory is an indispensable output variable of landslide susceptibility prediction(LSP)modelling.However,the influence of landslide inventory incompleteness on LSP and the transfer rules of LSP resulting error in the model have not been explored.Adopting Xunwu County,China,as an example,the existing landslide inventory is first obtained and assumed to contain all landslide inventory samples under ideal conditions,after which different landslide inventory sample missing conditions are simulated by random sampling.It includes the condition that the landslide inventory samples in the whole study area are missing randomly at the proportions of 10%,20%,30%,40%and 50%,as well as the condition that the landslide inventory samples in the south of Xunwu County are missing in aggregation.Then,five machine learning models,namely,Random Forest(RF),and Support Vector Machine(SVM),are used to perform LSP.Finally,the LSP results are evaluated to analyze the LSP uncertainties under various conditions.In addition,this study introduces various interpretability methods of machine learning model to explore the changes in the decision basis of the RF model under various conditions.Results show that(1)randomly missing landslide inventory samples at certain proportions(10%–50%)may affect the LSP results for local areas.(2)Aggregation of missing landslide inventory samples may cause significant biases in LSP,particularly in areas where samples are missing.(3)When 50%of landslide samples are missing(either randomly or aggregated),the changes in the decision basis of the RF model are mainly manifested in two aspects:first,the importance ranking of environmental factors slightly differs;second,in regard to LSP modelling in the same test grid unit,the weights of individual model factors may drastically vary. 展开更多
关键词 Landslide susceptibility prediction Landslide inventory Machine learning interpretability SHapley additive explanations Partial dependence plot
Predicting Rock Burst in Underground Engineering Leveraging a Novel Metaheuristic-Based LightGBM Model 认领 引用 被引量：1
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作者 Kai Wang Biao He +1 位作者 Pijush Samui Jian Zhou 《Computer Modeling in Engineering & Sciences》 SCIE EI 2024年第7期229-253,共25页
Rock bursts represent a formidable challenge in underground engineering,posing substantial risks to both infrastructure and human safety.These sudden and violent failures of rock masses are characterized by the rapid ... Rock bursts represent a formidable challenge in underground engineering,posing substantial risks to both infrastructure and human safety.These sudden and violent failures of rock masses are characterized by the rapid release of accumulated stress within the rock,leading to severe seismic events and structural damage.Therefore,the development of reliable prediction models for rock bursts is paramount to mitigating these hazards.This study aims to propose a tree-based model—a Light Gradient Boosting Machine(LightGBM)—to predict the intensity of rock bursts in underground engineering.322 actual rock burst cases are collected to constitute an exhaustive rock burst dataset,which serves to train the LightGBMmodel.Two population-basedmetaheuristic algorithms are used to optimize the hyperparameters of the LightGBM model.Finally,the sensitivity analysis is used to identify the predominant factors that may incur the occurrence of rock bursts.The results show that the population-based metaheuristic algorithms have a good ability to search out the optimal hyperparameters of the LightGBM model.The developed LightGBM model yields promising performance in predicting the intensity of rock bursts,with which accuracy on training and testing sets are 0.972 and 0.944,respectively.The sensitivity analysis discloses that the risk of occurring rock burst is significantly sensitive to three factors:uniaxial compressive strength(σc),stress concentration factor(SCF),and elastic strain energy index(Wet).Moreover,this study clarifies the particular impact of these three factors on the intensity of rock bursts through the partial dependence plot. 展开更多
关键词 Rock burst prediction LightGBM coati optimization algorithm pelican optimization algorithm partial dependence plot
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Interpretable artificial intelligence approach for understanding shear strength in stabilized clay soils using real field soil samples 认领 引用 被引量：1
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作者 Mohamed Noureldin Aghyad Al Kabbani +1 位作者 Alejandra Lopez Leena Korkiala-Tanttu 《Frontiers of Structural and Civil Engineering》 SCIE EI CAS CSCD 2025年第5期760-781,共22页
Deep mixing,also known as deep stabilization,is a widely used ground improvement method in Nordic countries,particularly in urban and infrastructural projects,aiming to enhance the properties of soft,sensitive clays.U... Deep mixing,also known as deep stabilization,is a widely used ground improvement method in Nordic countries,particularly in urban and infrastructural projects,aiming to enhance the properties of soft,sensitive clays.Understanding the shear strength of stabilized soils and identifying key influencing factors are essential for ensuring the structural stability and durability of engineering structures.This study introduces a novel explainable artificial intelligence framework to investigate critical soil properties affecting shear strength,utilizing a data set derived from stabilization tests conducted on laboratory samples from the 1990s.The proposed framework investigates the statistical variability and distribution of crucial parameters affecting shear strength within the collected data set.Subsequently,machine learning models are trained and tested to predict soil shear strength based on input features such as water/binder ratio and water content,etc.Global model analysis using feature importance and Shapley additive explanations is conducted to understand the influence of soil input features on shear strength.Further exploration is carried out using partial dependence plots,individual conditional expectation plots,and accumulated local effects to uncover the degree of dependency and important thresholds between key stabilized soil parameters and shear strength.Heat map and feature interaction analysis techniques are then utilized to investigate soil properties interactions and correlations.Lastly,a more specific investigation is conducted on particular soil samples to highlight the most influential soil properties locally,employing the local interpretable model-agnostic explanations technique.The validation of the framework involves analyzing laboratory test results obtained from uniaxial compression tests.The framework demonstrates an ability to predict the shear strength of stabilized soil samples with an accuracy surpassing 90%.Importantly,the explainability results underscore the substantial impact of water content and the water/binder ratio on shear strength. 展开更多
关键词 explainable artificial intelligence Shapley additive explanations local interpretable model-agnostic explanations partial dependence plots stabilized soil water/binder ratio water content shear strength
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Prediction of spatial heterogeneity in nutrient-limited sub-tropical maize yield:Implications for precision management in the eastern Indo-Gangetic Plains 认领 引用
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作者 Zia Uddin Ahmed Timothy J.Krupnik +7 位作者 Jagadish Timsinab Saiful Islam Khaled Hossain A.S.M.Alanuzzaman Kurishi Shah-Al Emran M.Harun-Ar-Rashid Andrew J.McDonald Mahesh K.Gathala 《Artificial Intelligence in Agriculture》 2024年第3期100-116,共17页
Knowledge of the factors influencing nutrient-limited subtropical maize yield and subsequent prediction is crucial for effective nutrientmanagement,maximizing profitability,ensuring food security,and promoting environ... Knowledge of the factors influencing nutrient-limited subtropical maize yield and subsequent prediction is crucial for effective nutrientmanagement,maximizing profitability,ensuring food security,and promoting environmental sustainability.Weanalyzed data fromnutrient omission plot trials(NOPTs)conducted in 324 farmers'fields across ten agroecological zones(AEZs)in the Eastern Indo-Gangetic Plains(EIGP)of Bangladesh to explain maize yield variability and identify variables controlling nutrient-limited yields.An additive main effect and multiplicative interaction(AMMI)model was used to explain maize yield variability with nutrient addition.Interpretable machine learning(ML)algorithms in automatic machine learning(AutoML)frameworks were subsequently used to predict attainable yield relative nutrient-limited yield(RY)and to rank variables that control RY.The stack-ensemble model was identified as the best-performing model for predicting RYs of N,P,and Zn.In contrast,deep learning outperformed all base learners for predicting RYK.The best model's square errors(RMSEs)were 0.122,0.105,0.123,and 0.104 for RYN,RYP,RYK,and RYZn,respectively.The permutation-based feature importance technique identified soil pH as the most critical variable controlling RYNand RYP.The RYKshowed lower in the eastern longitudinal direction.Soil N and Zn were associated with RYZn.The predicted median RY of N,P,K,and Zn,representing average soil fertility,was 0.51,0.84,0.87,and 0.97,accounting for 44,54,54,and 48%upland dry season crop area of Bangladesh,respectively.Efforts are needed to update databases cataloging variability in land type inundation classes,soil characteristics,and INS and combine them with farmers'crop management information to develop more precise nutrient guidelines for maize in the EIGP. 展开更多
关键词 Relative yield Additive Main effect and multiplicative interaction (AMMI) Quantile regression autoML Stack-ensemble Partial dependency plots
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