Investigation on compressive strength of coral aggregate …
The compressive strength of coral aggregate concrete (CAC-CS) holds importance in structural engineering and architectural design. Thus, this study establishes machine learning models for the prediction of CAC-CS and assesses their accuracy and generalization capability.
Prediction of mechanical properties of recycled aggregate fly …
In this study, Compressive and Tensile Strength and Slump were investigated. The study employs ML algorithms to predict the mechanical properties of FARAC. The effect of …
Study on green concrete replacing natural fine and coarse aggregate …
Study on green concrete replacing natural fine and coarse aggregate by plastic waste – An experimental and machine learning approach ... characteristics of M30 grade concrete are thoroughly analyzed by replacing natural aggregates using RPE and WPET-based aggregate. Additionally, machine learning tool were used for predicting different ...
Study of aggregate dormancy and its effects on the …
The coarse aggregate is poorly graded but more of uniformly graded because the co-efficient of curvature lies between 1 and 3.This confirms that the coarse aggregates possess little or no fine sized aggregate because rain or water run-off within the study years have negligible impact on the coarse aggregate over the study years.
Discovery of ultra-weakly coupled β-carotene J-aggregates by machine …
Flowchart of the work discussed in this study. 103 examples of H- and J-aggregates were selected to construct the database based on five different features. Five state-of-the-art machine learning models have been applied to train the dataset, which further lead into the successful preparation of ultra-weakly coupled β-carotene aggregates ...
Machine learning-based modelling and analysis of …
In this study, machine learning models (ANN, SVR, DT, RF, XGB, LGB) were employed to predict RAC carbonation depth, with model hyperparameters optimized using grid search and cross-validation methods. ... Prediction on compressive strength of recycled aggregate self-compacting concrete by machine learning method [J] Journal of Building ...
AI-Assisted optimisation of green concrete mixes
Concrete is the most commonly used material in the construction industry [1].However, with more than 10 billion tons of annual production, concrete manufacturing contributes to 8% of global greenhouse gas emissions, 3% of global energy use, and significant natural resource depletion [2].Therefore, the transition towards more sustainable concrete …
Geopolymer-Based Artificial Aggregates: A Review on …
It has been demonstrated that the geopolymer system has exceptional features, such as high strength, superior durability, and greater resistance to fire exposure, making it a viable …
A CASE STUDY ON THE AGGREGATES IN CONCRETE MIX …
The last stage is trying some chosen mixtures in real block machine, deciding both density and compressive strength. ... "A CASE STUDY ON THE AGGREGATES IN CONCRETE MIX DESIGN", International Journal of Emerging Technologies and Innovative Research (), ISSN:2349-5162, Vol.5, Issue 6, page no.66-72, ...
To predict the compressive strength of self compacting …
This study aims to apply machine learning methods to predict the compression strength of self-compacting recycled aggregate concrete. To obtain this goal, the ensemble methods: Random Forest (RF ...
Impact crushers in aggregate plants : crushing machines …
As the name suggests, the impact crusher works by percussion. With a high acceleration, the mineral product to be crushed is carried in a fast rotation of about 800 rpm by a rotor equipped with impactors that throws the rocks against the fixed walls, called the lining.. The crushing of the product takes place more exactly when the rock comes into direct contact with …
Estimation on compressive strength of recycled aggregate …
The authors wish to gratefully acknowledge the support of these organizations for this study. Citation. Yang, S., Chen, T. and Xu, Z. (2024), "Estimation on compressive strength of recycled aggregate self-compacting concrete using interpretable machine learning-based models", Engineering Computations, Vol. 41 No. 10, pp. 2727-2773.
Classification of geogrid reinforcement in aggregate using machine …
The present study proposes a novel ML methodology for differentiating between unstabilized aggregate specimens and those stabilized with triangular and rectangular aperture geogrids. This study utilizes the compiled experimental results obtained from stabilized and unstabilized specimens under repeated loading into a balanced, moderate-sized database. …
Study on the sulfate freezethaw resistance of recycled coarse aggregate …
Finally, the sleeve barrel is placed into the freeze thaw machine, and the machine is started on the freeze thaw cycle test. The test method of the freeze thaw cycle test is the fast freezing method, and the test instrument is the HDK-3 concrete fast freeze thaw machine. Fig. 3 is a freeze thaw machine working diagram.
Performance Evaluation of Automated Machines for …
Abstract. Several automated devices are commercially available for measuring the gradation of stone aggregates. These computerized machines, which provide a rapid alternative to manual sieving, capture and process two-dimensional digital images of aggregate particles to determine grain size distribution. Five of these automated gradation devices were evaluated …
Optimizing flexural strength of RC beams with recycled aggregates …
Eight beams, including those with natural aggregates, recycled aggregates, fly ash, and CFRP, were tested. The study employs state-of-the-art machine learning frameworks, including Random Forest Regressor (RFR), XGBoost (XGB), and LightGBM (LGBM).
Predicting the compressive strength of UHPC with coarse aggregates …
In Table 1, we present the types and properties of coarse aggregates commonly used in UHPC, as referenced from the engineering geology manual [8].The aggregates in the table are mainly divided into carbonate and silicate types. Basalt and Diabase, due to their elastic modulus exceeding 70 GPa and compressive strength over 160 MPa, are frequently used in …
2D Aggregate Gradation Conversion Framework Integrated …
This study proposed a 2D aggregate gradation conversion framework integrating a 3D random aggregate method and machine learning models. First, 3D asphalt concrete mesostructures were generated using polyhedral coarse aggregates with random gradations and shapes. Virtual cutting and sieving procedures were then developed to obtain the 2D ...
Prediction of resilient modulus and critical dynamic stress of …
To further analyze the stability differences between the model established in this study and common machine learning (ML) regression algorithms proposed in the literature for recycled aggregates or coarse-grained soils, the ANN, support vector regression (SVR), and random forest (RF) regression models were established for 300 sets of resilient ...
A Case Study-Aggregate Planning | PDF | Inventory | Business
A Case Study-Aggregate Planning - Free download as Word Doc (.doc), PDF File (.pdf), Text File (.txt) or read online for free. Ryder Machine Tool Company has transitioned from producing standardized controls to custom machine tools, bringing production problems. Their backlog has fluctuated from 3-24 months but is now at 8 months due to cancellations.
Petrological controls on the engineering properties of …
Rock aggregates have been extensively exploited in the construction sector, and the associated engineering features play a critical role in their application. The main aim of this research is to ...
Experimental study on recycled coarse aggregate of concrete
However, according to a previous study, the use of recycled concrete results in a decrease in the concrete's strength as well as other characteristics. The incorporation of aggregate as one of the basic components in the production of concrete is crucial to the operation. 35 to 40 percent of the entire concrete mixture consists of coarse aggregate.
The prediction of durability to freeze–thaw of limestone aggregates …
In the current study, it has been determined that the proposed machine-learning techniques are quite successful in predicting limestone aggregate durability (F-T). The novelty contribution of this study to the literature can be expressed as follows: (i) Many researchers focused on concrete samples in studies on F-T resistance.
Performance and optimisation study of waste plastic aggregate …
The use of waste plastic made aggregates in cement concrete not only can solve the problem of the disposal of waste plastics in a sustainable way but also it reduces the necessity of extracting natural aggregates, which causes erosion and environmental degradation. Therefore, feasibility of the usage of single used plastic (PET and PE) made aggregates in M20 and M25 grade …
Optimizing Recycled Aggregate Concrete for Severe …
Keywords: Recycled aggregate concrete; Machine learning; Sustainable construction; Durability; Aggressive environment. Received: 21 March 2024; Revised: 06 July 2024; Accepted: 11 July 2024. Article type: Review article. 1. Introduction aggregates within concrete matrices, particularly in Recycled Aggregate Concrete (RAC) stands at the forefront of
Performance and optimisation study of waste plastic aggregate …
Therefore, feasibility of the usage of single used plastic (PET and PE) made aggregates in M20 and M25 grade cement concrete as partial replacement of natural coarse and fine aggregate were ...
Enhancing the predictive accuracy of recycled aggregate …
Researchers worldwide are studying the use of recycled coarse aggregates (RCA) as a partial alternative to natural coarse aggregates in concrete due to their sustainability and...
Study of recycled concrete properties and prediction using machine …
Some scholars have investigated the influence of recycled brick aggregate (BA) content on concrete properties. Liu et al. [3] used coconut shell crushed aggregate and BA to replace natural aggregate (NA) in the production of RAC.Their testing revealed that the mechanical properties of RAC not only met the requirements for lightweight aggregate …
Aggregate Industry Case Study: Lafarlcim Group: Aggregate …
Aggregate Industries is a proud member of the Lafarlcim Group, which is the leading global building materials and solutions company with around 70,000 employees in over 80 countries.. Aggregate Industries produce and supply an array of construction materials including everything from aggregates, asphalt, ready-mix concrete and precast concrete products.
EXPERIMENTAL STUDY OF THE MOVEMENT CONTROLLABILITY OF A MACHINE …
In addition, studies of the dynamics of the movement of the aggregate, based on the MDD, were carried out when it was moving with the machine in a transport position [1]. ...