Publications by authors named "Celal Cakiroglu"

The performance of ultra-high-performance concrete (UHPC) allows for the design and creation of thinner elements with superior overall durability. The compressive strength of UHPC is a value that can be reached after a certain period of time through a series of tests and cures. However, this value can be estimated by machine-learning methods.

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Basalt fibers are a type of reinforcing fiber that can be added to concrete to improve its strength, durability, resistance to cracking, and overall performance. The addition of basalt fibers with high tensile strength has a particularly favorable impact on the splitting tensile strength of concrete. The current study presents a data set of experimental results of splitting tests curated from the literature.

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Metaheuristic optimization techniques are widely applied in the optimal design of structural members. This paper presents the application of the harmony search algorithm to the optimal dimensioning of reinforced concrete circular columns. For the objective of optimization, the total cost of steel and concrete associated with the construction process were selected.

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Article Synopsis
  • The paper presents predictive models to determine optimal dimensions that minimize construction costs for reinforced concrete retaining walls, utilizing various machine learning algorithms like Random Forest, XGBoost, CatBoost, and LightGBM.
  • A comprehensive dataset, generated through the Harmony Search algorithm, includes factors like soil density and wall dimensions, and the SHAP algorithm is used to analyze how these factors influence optimal design.
  • Results show a high prediction accuracy (R2 score of 0.99) and highlight that while LightGBM is the fastest, CatBoost offers the best accuracy, suggesting that machine learning can enhance traditional design methods in construction.
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Fiber-reinforced polymer (FRP) rebars are increasingly being used as an alternative to steel rebars in reinforced concrete (RC) members due to their excellent corrosion resistance capability and enhanced mechanical properties. Extensive research works have been performed in the last two decades to develop predictive models, codes, and guidelines to estimate the axial load-carrying capacity of FRP-RC columns. This study utilizes the power of artificial intelligence and develops an alternative approach to predict the axial capacity of FRP-RC columns more accurately using data-driven machine learning (ML) algorithms.

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One of the major goals in the process of designing structural components is to achieve the highest possible buckling load of the structural component while keeping the cost and weight at a minimum. This paper illustrates the application of the harmony search algorithm to the buckling load maximisation of dispersed laminated composite plates with rectangular geometry. The ply thicknesses and fiber orientation angles of the plies were chosen as the design variables.

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