Investigating the Effect of Construction Defects on the Performance of Steel Plate Shear Wall Under the Effect of Cyclic Loading

Subject Areas : Analysis of Structure and Earthquake

mohammad memar eftekhari ¹ , abbas akbarpour nik ghalb rashti ² , مهرزاد تحملی رودسری ³

1 - Department of Civil Engineering, Technical and Engineering Faculty, Islamic Azad University, Kermanshah Branch, Kermanshah, Iran
2 - South Tehran Branch, Islamic Azad University, Tehran, Iran
3 -

Received: 2023-11-20 Accepted : 2024-03-10 Published : 2024-11-17

Keywords: steel shear wall, manufacturing error, in-plane buckling, finite element, cyclic loading. ,

Abstract :

Steel shear wall is a new method to deal with lateral loads, which has been extensively researched, and its advantages include high energy absorption, reduction of architectural limitations, and ease of implementation compared to concrete shear wall. In this laboratory research, a sample of one opening and one floor was designed and built and subjected to cyclic loading in the laboratory. This test uses two LPs on both sides of the sample to determine displacement and a Load Cell number on the jack to show the applied force. In this test, due to the limitation in the jack's power, a 1 mm sheet was used; for this reason, due to the welding of the sheet, there was minor buckling inside the sheet. During the test, one of the important weaknesses was the place where the fish plates are connected to each other in the corners, which in the early cycles had a weld fracture and finally a tear in this part and finally a tear in the sheet, which was done by using the 7018 electrodes or using Hardener can solve this problem. All the effects of the load were borne by the sheet, and there was no damage to the columns and the upper beam. Only the column was bent at the connection to the beam, and none of the welds were destroyed.

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