FLASH
Shkruar nga Pamfleti
Taiwan was rocked by a 7.4 magnitude earthquake, but what got attention are the apartment buildings. None collapsed, but all were tilted and many lives were saved thanks to this.
If they had fallen to the ground, flattened by the strong tremors, the toll of the earthquake (9 people dead and over 934 injured) would probably have been even greater. "Miracle" or the fruit of the latest theories of the application of anti-seismic engineering?
"Taiwan is located in one of the areas with the greatest seismic activity on earth - explains Renato Vitaliani, civil engineer and full professor of Construction Technology at the University of Padua, now retired. For the construction of buildings, the state applies new engineering techniques for insulation and energy distribution. Buildings tilted but still standing? In my opinion the structures are well calculated but there may have been a problem with the liquefaction of the soil. When an earthquake hits, the water pressure in the sandy soil increases and therefore the building found itself in the sand and tilted. "Generally, to eliminate this problem, artesian wells are built, that is, wells that allow water pressure to decrease by connecting it to the surface," he said.
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