AUTHOR=Ji Jing , Li Yunhao , Jiang Liangqin , Ren Hongguo , Wang Qingqin , Zhang Lei , He Lingjie , Zhang Zhanbin TITLE=Flexural behavior of composite beams with concrete filled steel tube flanges and honeycombed steel webs JOURNAL=Frontiers in Materials VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/materials/articles/10.3389/fmats.2022.991584 DOI=10.3389/fmats.2022.991584 ISSN=2296-8016 ABSTRACT=
Honeycombed beams are widely used because they are conducive to the layout of pipelines and circuits, and the traditional honeycombed beams are generally H-shaped steel beams and concrete-encased upper flange composite beams. In this paper, a composite beam with concrete-filled steel tube as both upper and lower flanges and steel plate with circular openings as web is proposed. The effective constraint of steel tube on concrete strengthens the deformation ability of concrete. In order to study the flexural behavior of composite beams with concrete filled steel tube flanges and honeycombed steel webs (SHC), 25 simply-supported SHC beams were designed to carry out the four-point bending load simulation analysis. By reasonable modeling method. The main parameters of SHC concluding the compression strength of concrete (