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:: Volume 9, Issue 2 (summer 2018) ::
3 2018, 9(2): 151-165 Back to browse issues page
Economic Evaluation of Design of the Steel Moment Frame System against Blast Load Using Both Load and resistance factors (LRFD) and Performance Based Methods
Abstract:   (393 Views)

One of the most important characteristics of a good structural design is its economic and optimal design against applied loads. Nowadays, with the increase of terrorist attacks, the economic design of buildings against blast load is important. Thus in this study, the effects of design methods on the economic design of steel moment frames with different number of floors against blast loading is evaluated. The studied frames were modeled in SAP2000 and were analyzed using linear and nonlinear dynamic methods. To ensure the accuracy of simulation, the model was first evaluated by a validated numerical studies and reasonable agreement was observed between them. Each of the structural models has been analyzed and designed using load and resistance factor design method as well as performance-based design method. Results show that in the low-rise frames, the performance based design method leads to more economical design (10 to 42 % depending on the severity of the blast load and the number of floors) in comparison with the load and resistance factor design method; but by increasing the number of floors, the load and resistance factor methods is more economical than the performance based design method.

Keywords: Blast loads, Steel moment frame, Load and resistance factors, Performance based design, Economic design
Full-Text [PDF 1638 kb]   (126 Downloads)    
Type of Study: Applicable | Subject: construction
Received: 2017/01/29 | Accepted: 2017/12/25 | Published: 2018/03/3
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Economic Evaluation of Design of the Steel Moment Frame System against Blast Load Using Both Load and resistance factors (LRFD) and Performance Based Methods. 3. 2018; 9 (2) :151-165
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Volume 9, Issue 2 (summer 2018) Back to browse issues page
علوم و فناوری های پدافند نوین ADST Journal
درجه علمی - پژوهشی توسط وزارت علوم، تحقیقات و فناوری اعطا گردید.