| Autor: |
Alisar Baderkhan, Ibrahim Lotfy |
| Rok vydání: |
2021 |
| Předmět: |
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| Zdroj: |
Design and Construction of Smart Cities ISBN: 9783030642167 |
| DOI: |
10.1007/978-3-030-64217-4_1 |
| Popis: |
Seismic performance is an integral factor in the design of low-to-mid-rise buildings. Thus the selection of an optimized structural system is an important element in the design and planning of smart cities. This paper aims to investigate the most commonly used structural systems in reinforced concrete low-to-mid-rise buildings in Egypt as well as the most commonly used seismic retrofitting techniques. The findings of this study can facilitate the selection of structural system of new RC buildings in a smart city context, or retrofitting of existing buildings. The study uses Pushover Analysis techniques for seismic assessment. It is a multi-step static non-linear analysis which involves pushing the structure laterally until failure. Pushover analysis is becoming the preferred tool for seismic performance and evaluation of frame buildings, and some modern seismic design codes. The main objective is to investigate the lateral behavior of two commonly used structural systems for short buildings (5 stories) and mid-rise buildings (9 stories) which are: Moment Resisting Frames, Shear Walls. Additionally, two commonly used seismic retrofitting techniques are also investigated: RC Structures Retrofitted with Steel Bracing and Buckling Restrained Steel Bracing. Three main performance indicators were evaluated for each case. The response modification factor which reflects the ductility and over-strength of the structure. The performance point which indicates the expected seismic performance level. And the inter-story drift ratios which can be used to evaluate the damage demand of the structure. The results indicate that for low-rise buildings both the moment resisting frame and the shear walls systems showed similar performance levels; however, for mid-rise buildings, the shear walls system exhibited better performance. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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