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The Concertainer, [1] known colloquially as the Hesco barrier [2] or Hesco bastion, [3] with HESCO being the brand name of the manufacturer, is a modern gabion primarily used for flood control and military fortifications. [4]
Most regulatory authorities in the United States that offer requirements for flood openings define two major classes of opening: [1] engineered, and non-engineered. The requirements for non-engineered openings are typically stricter, defining necessary characteristics for aspects ranging from overall size of each opening, to allowable screening or other coverage options, to number and ...
A flood barrier, surge barrier or storm surge barrier is a specific type of floodgate, designed to prevent a storm surge or spring tide from flooding the protected area behind the barrier. A surge barrier is almost always part of a larger flood protection system consisting of floodwalls , levees (also known as dikes), and other constructions ...
Construction of the barrier's flood wall began on 9 May 2009. On 21 October 2009 the last of the 1,271 main piles was driven. [3] On 29 August 2012 (the seventh anniversary of Hurricane Katrina), the barrier was used for the first time, to protect the city from Hurricane Isaac. [4] By June 2013, all major construction had been completed. [1]
Asphalt and sandbag revetment with a geotextile filter. A revetment in stream restoration, river engineering or coastal engineering is a facing of impact-resistant material (such as stone, concrete, sandbags, or wooden piles) applied to a bank or wall in order to absorb the energy of incoming water and protect it from erosion.
Culvert with secure headwall in Bromsgrove, England Stone culvert in Haapsalu, Estonia Steel culvert with a plunge pool below A multiple culvert assembly in Italy Precast concrete box culvert Large box culvert on Rio Monterroso. A culvert is a structure that channels water past an obstacle or to a subterranean waterway.
A floodwall at Zruč nad Sázavou, Czech Republic Floodwall in Sunbury, Pennsylvania Floodwall and a sliding gate in New Orleans French Market (1986). A floodwall is a freestanding, permanent, engineered structure designed to prevent encroachment of floodwaters. [1]
height = the height of a non-submerged flood gate from the bottom of the water column to the water surface measured in metres. If the rectangular flood gate is submerged below the surface the same equation can be used but only the height from the water surface to the middle of the gate must be used to calculate the force on the flood gate.