Why Do Pylons Collapse in Extreme Temperatures?

  • Thread starter CheesyPeeps
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In summary, extreme temperatures can cause electricity supply pylons to collapse due to a build-up of ice on the cables connecting the pylons, putting pressure on the cables and potentially pulling a pylon down. The use of the equation p=F/A can explain this phenomenon, and it is possible that the elasticity of the pylons, which are typically made of steel, may be affected by extreme temperatures.
  • #1
CheesyPeeps
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Homework Statement


Extreme temperatures have been known to cause some electricity supply pylons to collapse. Using your knowledge of physics, comment on why this happens.
(This question is an 'open-ended' question and is worth three marks. One must explain the possible possible reason(s) for what is described in the question)
(SQA National 5 Physics Specimen Paper)

Homework Equations


Assuming that 'extreme temperatures' means extremely cold temperatures, p=F/A could be used to show that a build up of ice on the cables connecting the pylons would put pressure on the cables and potentially pull a pylon down.

The Attempt at a Solution


Explaining why p=F/A could be used gives me one mark, but after that, I'm stumped.
 
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  • #2
What material are these pylons made of ?
 
  • #3
It doesn't say anything about material, although in my country, they tend to be steel.
 
  • #4
Is the elasticity of steel dependent on the temperature ?
 

FAQ: Why Do Pylons Collapse in Extreme Temperatures?

What are pylons and how are they used?

Pylons are tall, vertical structures used to support overhead power lines and transmit electricity over long distances. They are typically made of steel or concrete and can range in height from 15 to 150 feet.

How do extreme temperatures affect pylons?

Extreme temperatures can cause pylons to expand or contract, which can put additional stress on the structure. This can lead to structural damage, such as cracks or bends, if the pylon is not designed to withstand these changes.

How are pylons designed to withstand extreme temperatures?

Pylons are designed with materials and construction techniques that can withstand a wide range of temperatures. For example, steel pylons may have thicker walls or additional bracing to prevent warping or bending, while concrete pylons may have reinforcing rods to increase strength.

What happens if a pylon fails in extreme temperatures?

If a pylon fails due to extreme temperatures, it can lead to power outages and potential safety hazards. The damaged pylon may need to be repaired or replaced, which can be costly and time-consuming.

How do scientists study the effects of extreme temperatures on pylons?

Scientists use a combination of field observations and laboratory experiments to study the effects of extreme temperatures on pylons. They may also use computer simulations to model and predict how different materials and designs will perform in varying temperature conditions.

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