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Analysis of the performance of laminated glass against explosions
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Resumo(s)
This dissertation investigates the performance of laminated glass against explosions, focusing
on the dynamic response of glass panels subjected to blast loads. The study aims to assess the
behaviour of glass panels under the effect of blast waves and is part of the project "SAERFA - Energy
Absorption Systems Using Additive Manufacturing". Then, in a subsequent phase of the project a system
that can absorb energy and mitigate the effects of the blast wave will be developed.
For this work, two experimental campaigns were conducted. First, an experimental campaign
using a shock tube to characterize the action of the blast wave, where pressure and impulse data were
collected. Then, an experimental campaign was conducted using the same shock tube with laminated
glass samples of different thicknesses to determine their behaviour under blast waves.
Afterwards, with all the data collected, numerical models using finite element analysis tools were
built. These models helped create pressure-impulse diagrams, providing insights into the failure
behaviour of glass subjected to explosions. The agreement between experimental data and numerical
results confirms the model's accuracy. The final outcomes demonstrate that laminated glass panels,
particularly with increased thickness, can effectively withstand higher blast loads.
Descrição
Palavras-chave
: Blast resistance Laminated glass Finite element analysis Shock tube testing