|
Title |
Understanding of Blast Resistant Design and Performance Evaluation of a Building designed for Conventional Loads
|
|
DOI |
https://doi.org/10.11112/jksmi.2018.22.4.083 |
|
Keywords |
방폭설계 ; 연성비 ; 동적증가계수 ; 보호수준 ; 소성거동 ; 촛점거리 ; 지점회전각 blast resistant design ; ductility ratio ; dynamic increase factor (DIF) ; level of protection ; plastic behavior ; standoff distance ; support rotation angle |
|
Abstract |
Considering the increased threats from worldwide terrors and the increased demands on the blast resistant design of commercial buildings, this study is aimed at understanding the basic concept of blast resistant design and evaluating the blast performance with an actual design example. Although there are many differences between earthquake and blast loads, the design concept against both loads is similar in terms of allowing the plastic behavior of a structure and sharing the ductile detailing. Through the blast performance evaluation of a target building provided in this study, it is noted that a well-designed building for the conventional loads can have a certain level of blast resistance. However, this cannot be generalized since the blast load on a structure varies depending on the type of weapon, TNT equivalence, standoff distance, etc. Architectural planning with positioning the sacrificial structure or maintaining a sufficient standoff distance from the expected detonation is the simple and effective way of improving the blast resistance of a building.
|