READ ME File For 'Data-driven assessment and modelling of extended endplate connections' Dataset DOI: 10.5258/SOTON/PG/D119 ReadMe Author: Zizhou Ding, University of Southampton, https://orcid.org/0009-0002-0573-8146 This dataset supports the thesis entitled "Data-driven assessment and modelling of extended endplate connections" This dataset supports the publication: Authors: Zizhou Ding and Ahmed Elkady Title: 'Generalized spring model for steel bolts in tension considering uncertainty and loading speed' Journal: Journal of Constructional Steel Research DOI: https://doi.org/10.1016/j.jcsr.2025.109574 Authors: Zizhou Ding and Ahmed Elkady Title: 'Deformation mode classification in extended endplate connections and implications on hysteretic response' Journal: Engineering Structures DOI: https://doi.org/10.1016/j.engstruct.2025.121709 Authors: Zizhou Ding and Ahmed Elkady Title: 'Backbone moment-rotation models for partial-strength steel endplate connections' Journal: Engineering Structures DOI: https://doi.org/10.1016/j.engstruct.2025.121465 AWARDED BY: University of Southampton DATE OF AWARD: 2026 Date of data collection: Sep 2023 to Sep 2025 Information about geographic location of data collection: University of Southampton, UK License: CC-BY -------------------- DATA & FILE OVERVIEW -------------------- This dataset contains all the experimental data for high-strength bolts force-displacement response and the numerical data of geoemtric and material parameter for each specimen used in CFE parametric study. Data file list: 1) Test_data_for_high-strength_bolt_tensile_force-displacement_responses.xlsx; 2) Parametric_study_for_extended_endplate_connections.xlsx -------------------------- METHODOLOGICAL INFORMATION -------------------------- Description of methods used for collection/generation of data: Experimental test in TSRL lab (University of Southampton) Methods for processing the data: The details of processing the data are fully explained in the entitled thesis Software- or Instrument-specific information needed to interpret the data, including software and hardware version numbers: MATLAB (2021b); ABAQUS/CAE (2024) Environmental/experimental conditions: Well conducted in TSRL lab and supervised by lab technicians for high-strength bolt tests People involved with sample collection, processing, analysis and/or submission: Prof. Ahmed Elkady (University of Southampton) -------------------------- DATA-SPECIFIC INFORMATION -------------------------- Data file: Test_data_for_high-strength_bolt_tensile_force-displacement_responses.xlsx Number of variables: 33 Number of cases/rows: 276 Variable list, defining any abbreviations, units of measure, codes or symbols used: The details are well explained in each data file - 'Legend' sheet. Date that the file was created: April, 2026 Data file: Parametric_study_for_extended_endplate_connections.xlsx Number of variables: 27 Number of cases/rows: 1984 Variable list, defining any abbreviations, units of measure, codes or symbols used: The details are well explained in each data file - 'Legend' sheet. Date that the file was created: April, 2026