| Author | Bosti, Mohammad Sadiq |
| Note | A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering in Structural Engineering |
| Publisher | Asian Institute of Technology |
| Abstract | Afghanistan is located in the center of Asia, developing country, and has experienced of more than three decades of struggle and war. Kabul is capital of Afghanistan and is the largest and populated city. Approximately the estimated population of Kabul in 2017 is 4.68. Kabul city in Afghanistan is selected to represent the high hazard region. The history of the devastating earthquake in Afghanistan has been more than four thousand years old. During the past 20 years, earthquakes have killed more than 7,000 Afghans. Afghanistan is located within the tectonically deforming southern part of the Eurasian plate and Alpine-Himalayan mountainous belt. Kabul is located in seismic risk zone 4 the analysis specifies that earthquake shaking in Kabul mostly resulting from earthquake Chaman fault could generate a peak ground acceleration of approximately 0.5 g at a 2% and 0.27g at 10 % of probability of exceedance in a time period of 50 years.
Most residential, commercial, educational, official and industrial buildings are midrise buildings in Kabul city. Commonly these buildings are designed as RC moment frame, RC shear wall, coupled shear wall, shear wall frame and different types of multi-story buildings.
In this study, Evaluation of Various Structural Systems for Seismic Design of Mid-rise Buildings in Afghanistan were performed to Investigation and analysis the seismic performance of mid-rise Lateral Load Design buildings with various kinds of resisting systems by considering maximum earthquake level by using nonlinear pushover analysis methods. And to evaluates seismic performance of various structural systems by using pushover analysis and response spectrum analysis. The main objective of earthquake resistant design is to avoid building collapse during earthquakes thus minimizing the risk of death or injury to people. The following structural systems were selected (Seven story Movement Resisting Frame system, ten story Moment frame with Shear Wall system and ten story Shear Wall and Core Wall system).
The seismic responses of buildings by the nonlinear static procedure and response spectrum analysis were taken out and the results were matching well and the structures are safe against both DBE level and MCE level. The natural period is more than one second in first building but in second and third building is less than 1 second, the hinges are in IO and LS range for all frames but for C1 of frame 8 are in CP state in first building. Story drifts percentage is less than 2% of DBE level & less than 3% of MCE level in all buildings but in building one the SRSS result shows that the drift is more than 2 % of DBE level but over all they are safe against MCE level. |
| Keyword | Nonlinear static procedure, pushover analysis, displacement coefficient method, Seismic evaluation, mid-rise, moment resisting frame, shear wall, core wall. |
| Year | 2018 |
| Type | Thesis |
| School | School of Engineering and Technology (SET) |
| Department | Department of Civil and Infrastucture Engineering (DCIE) |
| Academic Program/FoS | Infrastructure Planning and Management (IP) |
| Chairperson(s) | Punchet Thammarak;Anwar, Naveed; |
| Examination Committee(s) | Pennung Warnitchai;Thanakorn Pheeraphan ; |
| Scholarship Donor(s) | Ministry of Higher Education (MoHE), Afghanistan - AIT Fellowship ; |