Flag wall system for improving wind performance of tall buildings | |
| Author | Nith Chan Virak |
| Call Number | AIT Thesis no.ST-17-04 |
| Subject(s) | Tall buildings Buildings--Wind stresses |
| Note | A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering in Structural Engineering, School of Engineering and Technology |
| Publisher | Asian Institute of Technology |
| Series Statement | Thesis ; no. ST-17-04 |
| Abstract | Tall buildings heavily depend on lateral stiffness and resistance capacity for improving efficiency of the structure. In order to increase the efficiency, many lateral load resisting systems have been invented including flag wall. Flag wall is part of concrete structural wall which is place at random locations on a building which does not touch the ground or base as well as core wall in order to improve lateral performance of the building to resist lateral loads acting on building, especially wind load. This study will evaluate the building performance under seismic and wind load after assigning flag walls. A 50-story core only building with flat slab is chosen to study. In this system, the lateral load is mainly resisted by the concrete core wall only. However, that core wall alone cannot make the building’s performance satisfied with limitation. Therefore, flag walls are inserted to improve overall performance, both global and local response. Actually, flag wall is converted from partition wall which is nonstructural wall to become and work as structural wall to improve the overall performance. In wind case design, wind is assigned as static load case, and main responses to be checked are displacement, drift, and acceleration. Then, performance of local structural components is checked for choosing the best performing flag wall layout. At last, although flag wall structure is designed with seismic load or wind load case, the design must fulfill safety, economy, human comfort and practicality. |
| Year | 2017 |
| Corresponding Series Added Entry | Asian Institute of Technology. Thesis ; no. ST-17-04 |
| Type | Thesis |
| School | School of Engineering and Technology |
| Department | Department of Civil and Infrastucture Engineering (DCIE) |
| Academic Program/FoS | Structural Engineering (STE) /Former Name = Structural Engineering and Construction (ST) |
| Chairperson(s) | Pennung Warnitchai;Anwar, Naveed; |
| Examination Committee(s) | Punchet Thammarak;Thanakorn Pheeraphan; |
| Scholarship Donor(s) | AIT Fellowship; |
| Degree | Thesis (M. Eng.) - Asian Institute of Technology, 2017 |