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Structural Engineering and Mechanics Volume 60, Number 6, December25 2016 , pages 979-999 DOI: https://doi.org/10.12989/sem.2016.60.6.979 |
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Strengthening of axially loaded concrete columns using stainless steel wire mesh (SSWM)-numerical investigations |
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Varinder Kumar and P.V. Patel
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| Abstract | ||
| Stainless steel wire mesh (SSWM) is an alternative material for strengthening of structural elements similar to fiber reinforced polymer (FRP). Finite element (FE) method based Numerical investigation for evaluation of axial strength of SSWM strengthened plain cement concrete (PCC) and reinforced cement concrete (RCC) columns is presented in this paper. PCC columns of 200 mm diameter with height 400 mm, 800 mm and 1200 mm and RCC columns of diameter 200 mm with height of 1200 mm with different number of SSWM wraps are considered for study. The effect of concrete grade, height of column and number of wraps on axial strength is studied using finite element based software ABAQUS. The results of numerical simulation are compared with experimental study and design guidelines specified by ACI 440.2R-08 and CNR-DT 200/2004. As per numerical analysis, an increase in axial capacity of 15.69% to 153.95% and 52.39% to 109.06% is observed for PCC and RCC columns respectively with different number of SSWM wraps. | ||
| Key Words | ||
| stainless steel wire mesh; axial strength; finite element method; wrap; circular columns | ||
| Address | ||
| Varinder Kumar: Department of Civil Engineering, Nirma University, Ahmedabad, India P.V. Patel: Department of Civil Engineering, Institute of Technology, Nirma University, Ahmedabad, India | ||