POST-EARTHQUAKE RECONNAISSANCE OF SARPOL-E ZAHAB CONCRETE BUILDINGS AFTER 6.4 MAGNITUDE AFTERSHOCK
Publish Year: 1398
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
SEE08_542
تاریخ نمایه سازی: 23 آبان 1399
Abstract:
In the 7.3 magnitude earthquake of November 12, 2017, the concrete buildings in Sarpol-E Zahab were severely damaged and even collapsed. The concrete building systems can be divided into three categories: moment resisting frames, shear walls and dual systems. Moment resisting frame systems are very popular because of their low cost and ease of construction. In this type of structural system, both gravity and lateral forces are supported by beams and columns. Shear wall systems in concrete buildings are used to provide stiffness and strength of the buildings against lateral forces such as earthquakes. Such structures are usually stiff and they behave well specially if they are combined with moment resisting frames. Ductility of the concrete elements depends highly on reinforcement detailing. Our observations show that insufficient bending details in stirrups, inadequate overlap length for longitudinal bars and deficient curing of the concrete are the main reasons of damages in such buildings.
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Authors
Ramin OTADI
MSc. Student, IIEES, Tehran, Iran
Majid MOHAMMADI
Associate Professor, IIEES, Tehran, Iran
Behrokh HOSSEINI HASHEMI
Associate Professor, IIEES, Tehran, Iran