Turkey earthquake: UK team to assess building damage
Structural and civil engineers from the UK have travelled to Turkey to help to investigate the damage caused by last month's powerful earthquake.
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Structural engineers from Turkey, who are working with the team, have already found some problems.
Samples of concrete taken from a collapsed building in Adiyaman have revealed that it contains 6cm-long stones. They have come from a nearby river and have been used to bulk out the concrete.
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And steel bars inside the concrete, which should reinforce it, have been found to be smooth instead of ridged.
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