Buy article PDF
The purchased file will be sent to you
via email after the payment is completed.
US$ 35
|
Steel and Composite Structures Volume 55, Number 5, June 10 2025 , pages 397-414 DOI: https://doi.org/10.12989/scs.2025.55.5.397 |
|
|
|
Experimental investigation of the cyclic behavior of bolted T-stub steel connections |
||
Mehrdad Rasoulitabar, Mehrzad TahamoliRoudsari, Parham Memarzadeh and Farshid Fathi
|
||
| Abstract | ||
| In the present research, an attempt was made to improve the behavior of T-stub connections by providing stiffener details for these joints and then investigating the effect of using the proposed stiffener on the joint with non-rolled tee profiles. In this regard, five full-scale experimental samples were constructed and tested. The first sample was considered a control sample, which was designed and manufactured based on the regulations. The next two samples were constructed with rolled tee sections using proposed stiffeners of different thicknesses. In the next two specimens, the T-stub connection was constructed using the non-rolled tee sections, and in one of the specimens, the proposed stiffener was used. The tests were performed under quasi static cyclic loading, and based on their results, the seismic parameters of ultimate strength, effective stiffness, ductility, and energy dissipation capacity were evaluated. The results of connections with rolled tee sections indicated that the proposed stiffeners increased ultimate rotational strength by up to 13.8%, effective stiffness by 92%, energy dissipation capacity by 67%, and ductility by 58%. Adding stiffeners to non-rolled tee sections boosted rotational strength by 12%, stiffness by 117%, ductility by 59%, and energy dissipation by 62%, significantly improving T-stub connection behavior. | ||
| Key Words | ||
| bolted -T-stub steel connections; ductility; energy dissipation capacity; experimental test; stiffener | ||
| Address | ||
| Mehrdad Rasoulitabar:Department of Civil Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran Mehrzad TahamoliRoudsari:Department of Civil Engineering, Kermanshah Branch, Islamic Azad University, Kermanshah, Iran Parham Memarzadeh:Department of Civil Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran Farshid Fathi:Department of Civil Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran | ||