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Behavior of tapered concrete filled double skin steel tubular short columns (CFDST)
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Volume Title: ICASGE2019
DOI: ICASGE-STL
Authors
Abstract
Tapered concrete filled double skin steel tubular short columns CFDST has many advantages and widely used in the construction field. A finite element model has been made to simulate the behavior of tapered concrete filled double-skin steel tubular short columns and to be used in the parametric study. The behavior of tapered concrete filled double-skin steel tubular short columns CFDST has been studied in this research under the parameter of The concrete compressive strength (fc) varied between 25 MPa to 40 MPa. The ratio of the internal tube thickness-to-outer tube thickness (𝑡𝑖⁄𝑡𝑜) varied from 0.63 to 1. The tapered angle (θ) varied from 0.5 degree to 1 degree. The ratio of the diameter of the internal tube-to-the diameter of the outer tube (𝑑𝑖⁄𝐷𝑜) varied from 0.25 to 0.88.
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