...Anil Agrawal, professor of civil engineering at the City College of New York, told CNN that if there is corrosion in the concrete, water can cause a void, further corroding the cables. And if there's no easy way to inspect them, "it's a high-risk system," Agrawal said. "If you lose any cable you have a catastrophe in the making."
That catastrophe was one that some Italian engineers had been warning about for years.
Antonio Brencich, engineer and associate professor of reinforced concrete constructions at the University of Genoa, expressed concern back in 2016.
"It was affected by serious corrosion problems related to the technology that Morandi himself had patented, which he had not used anymore, and which proved to be disastrous," Brencich told Italian daily La Repubblica.
...Agrawal said that if the maintenance operation was something to do with any of the cables, it would have been a sufficient risk to have prompted many agencies in the US to close it during renovation.
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