Abstract
Most of the recent studies have emphasized the effect of the positive phase of blast loading while determining the structural response. the effect of the negative phase on the dynamic structural response has been ignored. This research focuses on the effect of the negative phase of a blast loading on the dynamic response of an architectural laminated glass. a closed-form solution based on the classical plate theory is developed and then the results are compared with a 3-dimensional nonlinear dynamic finite element analysis. Results indicate that the negative phase of a blast loading has a significant effect on the dynamic response of the laminated glass panel. in particular, mid-span panel deflection and stress due to negative phase pressure are almost double the corresponding quantities due to positive phase. This may mean that if the glazing does not fail in the positive loading duration, but it may do so in the negative loading phase because of higher dynamic stresses during this later phase.
| Original language | American English |
|---|---|
| Pages (from-to) | 181-190 |
| Number of pages | 10 |
| Journal | Structures and Materials |
| Volume | 15 |
| State | Published - Jan 1 2004 |
| Event | Eighth International Conference on Structures Under Shock and Impact, SUSI VIII - Crete, Greece Duration: Mar 29 2004 → Mar 31 2004 |
ASJC Scopus Subject Areas
- General Engineering
Keywords
- Blast load
- Closed-form solution
- Finite element analysis
- Laminated glass
- Linear elasticity
- Linear visco-elasticity
- Negative phase
Disciplines
- Aerospace Engineering
- Mechanical Engineering
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