A new study reveals that over 30 high-rise buildings in South Florida are sinking. The research suggests construction practices may be a contributing factor.
More than 30 high-rise condos and hotels in South Florida – most built within the last 10 years – are sinking into the ground – and construction is theorized to be part of the cause, according to a new study.The 35 buildings surveyed along an almost 12-mile (19 kilometer) stretch from Miami Beach to Sunny Isles Beach have sunk or settled by 0.8 to 3.1 inches (2 to 8 cm).
About half of the buildings are less than a decade old, according to scientists at the University of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science. The study was published Friday.Click here to read the studyThe discovery of the extent of subsidence hotspots along the South Florida coastline was unexpected,' Farzaneh Aziz Zanjani, the lead author, said in a statement. 'The study underscores the need for ongoing monitoring and a deeper understanding of the long-term implications for these structures.'It’s not uncommon for buildings to sink a little during and soon after construction, but the scientists called their discovery surprising because some of the changes took place several years later.Limestone under the South Florida beach is interspersed with layers of sand, which can shift under the weight of high-rises and as a result of vibrations from foundation construction. Tidal flows and construction projects as far away as 1,050 feet (320 meters) have contributed to settling, the researchers found. The study used satellite images to capture the changes, with settling most noticeable in buildings in Sunny Isles Beach. The scientists said preliminary data also suggests sinking or settling further north, along the beaches of Broward and Palm Beach counties.The stretch of South Florida communities surveyed included Surfside, where the Champlain Towers South building collapsed in June 2021, killing 98 people. However, that collapse is thought to have been caused by reinforced concrete that deteriorated due to poor maintenance and flawed desig
CONSTRUCTION SETTLING BUILDING COLLAPSE SOUTH FLORIDA SUBSTIDENCE
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