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Researchers at Newcastle University have released this footage of controlled explosions in London Underground carriages.
The first explosion shows a decommissioned carriage similar to that targeted by terrorists on the London Underground in 2005.
The second explosion is on a prototype carriage that has been redesigned by engineers to provide better protection for passengers.
A team of engineers from Newcastle University could be advising rail industry chiefs on the best design approach for bomb-proof trains.
Conor O'Neill, who led the research has admitted that replacing the current trains 'isn't an option'.
He said: "What we've shown is that companies could make some relatively cost-effective and simple modifications that would significantly improve the outcome of an attack."
A team of engineers have been experimenting with controlled explosions to understand the impact a bomb has on a train carriage.
New technology has been developed, along with materials which could be fitted into existing carriages, to limit the fallout of a terror attack on train and tube carriages.
- Controlled explosions were carried out on a decommissioned Tube carriage
- High speed cameras slowed down the blast, allowing the impact to be analysed in detail
- A similar test was carried out on a carriage specially built to reduce the damage caused by a bomb detonating inside it
- Blast-protection measures included tethering down ceiling panels, plastic coatings on windows, and the use of lighter energy-absorbing materials
- Engineers investigated dividing carriages with materials that soak up energy and reduce the impact of a blast wave
Engineers from Newcastle have been developing blast-resilient train carriages to minimise the impact that a terror attack might have to the public and emergency services.
British engineers are researching bomb-proof train carriages to prevent a repeat of the carnage left by the London Underground terrorist attacks.
Blast-resilient rolling stock has been developed by the EU-funded SecureMetro project, which was launched three years ago.
The project was created to test designs for Tube and overground carriages that minimise injury and death, if a bomb attack was to take place.
Focusing on containing the blast impact, and reducing levels of debris, the research involved a controlled explosion on a decommissioned Tube carriage.
Tests were carried out by the team at Newcastle University's School of Mechanical and Systems Engineering.