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Dynamic analysis of Inverted-T Blast Wall under blast loading | |
Author | Bakmeedeniya, A Herath Mudiyanselage Kovida Rajiva |
Call Number | AIT Caps. Proj. no.CIE-15-26 |
Subject(s) | Buildings--Blast effects Blast effect--Testing |
Note | A capstone project report submitted in partial fulfillment of the requirements for the degree of Bachelor of Science in Engineering Civil and Infrastructure Engineering, School of Engineering and Technology |
Publisher | Asian Institute of Technology |
Series Statement | Caps. Proj. ; no. CIE-15-26 |
Abstract | Terrorist attacks on buildings and high valued targets are becoming a very widespread global menace as time progresses into the future. The social and economic impact caused by the threat of terrorist attack is beyond measurable. Its the responsibility of engineers in the future to incorporate measures to design, construct and protect structures from these terrorist attacks into their design standards. Blast walls have been an idea of importance lately as many military divisions, many important locations that need high security have begun to use these structures as a primary fade to attacks using explosive devices. The inverted-T blast wall is a type of a blast wall designed with the consideration of protection against attacks using IEDs (Improvised Explosive Devices), convenience with regard to the ease of construction due to its compact nature and ability to be precast on and off the site and also its unique behavior when subject to a blast load. Here its behavior has been tested using a rationale physics based Single-Degree-of-Freedom (SDOF) method for the rotational motion it undergoes when a blast load imparts on it. This method takes a conservative edge and hence have been proposed here as a design tool to perform a preliminary check on the behavior, whether the blast wall can resist the blast load without toppling on its heel. The method proposed has produced results showing six different wall types undergoing blast analysis for their rotational motion under nine different blast load cases. The six blast wall arrangements have been categorized to two parts 3m high, low-level and 6m high, high-level in which, the Inverted-T offset blast wall design with its shorter edge facing the blast shows promise as a good design in each category. Also an attempt to analyze these blast walls for these nine blast loads using the conventional structural design software SAP2000, have been included in this study. |
Year | 2015 |
Corresponding Series Added Entry | Asian Institute of Technology. Caps. Proj. ; no. CIE-15-26 |
Type | Capstone Project |
School | School of Engineering and Technology (SET) |
Department | Department of Civil and Infrastucture Engineering (DCIE) |
Academic Program/FoS | Civil and Infrastructure Engineering (CIE) |
Chairperson(s) | Hathairat Manetees; |
Examination Committee(s) | Theraphan Ornthammarath;Punchet Thammarak;Tian Boon Soh; |
Degree | Capstone Project (B.Sc.)-Asian Institute of Technology, 2015 |