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MyJournals.org - Science - Health workforce governance and professions: a re-analysis of New Zealand`s primary care workforce policy actors (BMC Health Services Research) ....
This paper presents experimental and numerical investigations on circular concrete-filled double steel tubular (CFDST) members under flexural load. Seven specimens including five CFDST specimens were tested and the test parameters included the effects of concrete compressive strength, the thickness of the steel tubes, and the diameter ratio on their flexural performance. The final failure modes, moment (M)-curvature (ϕ) curves, deflection curves of specimens, and distributions of section longitudinal strains were analyzed and reported in this study. A nonlinear finite element model (FEM) was then developed for the CFDST members. After successful validation in ultimate strengths and failure modes, parametric studies were performed by using the verified FEM. A simple formula for calculating the flexural capacity of CFDST members was proposed and compared against several design codes to investigate the design accuracy. Based on this study, it was found that the CFDST members exhibit duct ....
MADRID, Feb. 23 (Xinhua) Spanish figure skater Laura Barquero, who was a finalist at the recent Beijing 2022 Winter Games and competed with Marco Zandron as ....