Damaged FRP (Fiberglass Reinforced Plastic)

Just under the railway bridge between Rhodes and Meadowbank (Sydney, Australia) there is an area with odd shapes of concrete at strange angles and sort of linked together with sections of FRP.
There are also benches which overlook the water and there is Damaged FRP (Fiberglass Reinforced Plastic).  Maybe no one else is the slightest bit interested in this damaged section – But as an Engineer – I was very interested.

Damaged FRP

Damaged FRP

I don’t often go there, but a few weeks ago I was in the area and thought that I would sit on one of the benches, look at the river and mull over some issues.

I noticed that there was a hole in the FRP . I have never seen anything like this before and thought it very strange.

Although I’ve used the product on several occasions with great success, I’m not an expert.
I generally would regard this product as bullet proof.

Maybe this is a common occurrence – but I would be very interested, purely for my own knowledge, to know what has caused the FRP to degrade like this. Could it be a manufacturing fault or something else, such as someone deciding to light a fire?? – I guess that I will never know.

 

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