Study on size effect of limestone-concrete composite with different joint inclination angles under uniaxial compression based on the discrete element method

Dataset Description This dataset contains the underlying data and author-generated codes supporting the findings of the study “Study on size effect of limestone–concrete composite with different joint inclination angles under uniaxial compression based on the discrete element method.” The dataset is organized into three main components: Data:This folder includes the numerical data used to generate all figures and quantitative analyses presented in the manuscript. The data are provided in .xlsx format and cover stress–strain responses, mechanical parameters, size-effect indicators, and statistical results corresponding to different specimen sizes, joint inclination angles, and DFN realizations. DFN generation:This folder contains the codes used to generate discrete fracture networks (DFNs) based on the specified statistical parameters in the study. The codes are provided in .dat format and can be directly executed in PFC2D version 6.0 to reproduce the DFN realizations with controlled random seeds and fracture attributes. Model generation and loading:This folder includes the scripts used to construct the particle flow models of limestone–concrete composites, assign material and contact parameters, apply boundary conditions, and perform uniaxial compression simulations. The codes are also provided in .dat format and are directly compatible with PFC2D version 6.0. All data and codes are fully documented to facilitate reproducibility and reuse. No ethical, legal, or commercial restrictions apply to the reuse of this dataset.