TMSystems- Mobile Cranes- Tyre Pyrolysis / Fire / Explosion & Blow- outs
CICA (Crane Industry Council of Australia) Victorian / Tasmanian Branch has released a Crane Safety Bulletin # 235 June 2018 with regard to concerns relating to Tyre Fires, Pyrolysis and Explosions. Many are aware of Tyre Pyrolysis, its causes and how a robust Tyre Monitoring Systems can prevent / predict such potential events.
Pyrolysis and consequential tyre explosions / blow-outs can be catastrophic, especially at open road speeds and for larger self-driven mobile cranes on the On-road network.
Other than external effects (eg lightening strike), the most common causes for over- temperature of Tyres are:
- A combination of exceeded tyre specifications- Speed / Load.
- Under- Pressurisation.
- Over use and / or locked Brakes.
- A combination of the above.
Amongst other warnings / tyre condition monitoring, a qualified and robust Tyre Monitoring System can provide alarms and notification of Tyre:
- Over Pressure +25% over Set- point.
- Over Temperature >80 DegC.
Crane Industry Council of Australia refers to the Department of Natural Resources, Mines and Energy (DNRME) which released their updated Recognised Standard 13 Tyre, Wheel and Rim Management - Nov 2016. In addition, the Department of Mines & Petroleum also released their new Tyre Safety Guidelines - Tyre Monitoring Systems 10-Sep-15. Both of these Standards / Guidelines advocate the use of Tyre Monitoring Systems to monitor Tyre Pyrolysis (Fires, etc).
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