AUTHOR=Mastan Sheik , Sekar Anandh , S. Sindhu Nachiar TITLE=Effects of stiffener area in composite steel-concrete beam with web opening: numerical, experimental and theoretical investigation JOURNAL=Frontiers in Materials VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/materials/articles/10.3389/fmats.2025.1512695 DOI=10.3389/fmats.2025.1512695 ISSN=2296-8016