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Robotic Hydrodemolition in Ystad, Sweden. Hydrodemolition of concrete exposing the rebar.. Hydrodemolition (also known as hydro demolition, hydroblasting, hydro blasting, hydromilling, waterblasting, and waterjetting) is a concrete removal technique which utilizes high-pressure water, often containing an abrasive material, to remove deteriorated and sound concrete as well as asphalt and grout.
Dam Removal Europe helped dismantle 325 dams or other buildings in 2022, a 36% increase over 2021. [ 13 ] [ 14 ] [ 15 ] The WWF, The Rivers Trust , The Nature Conservancy , The European Rivers Network, Rewilding Europe , Wetlands International Europe, and The World Fish Migration Foundation have formed a coalition to restore Europe's rivers and ...
Concrete from a building being sent to a portable crusher. This is the first step in recycling concrete. Crushing concrete from an airfield. Concrete recycling is the use of rubble from demolished concrete structures. Recycling is cheaper and more ecological than trucking rubble to a landfill. [1]
AfE-Turm building demolition slow motion video Implosion of the Athlone Power Station cooling towers Blasting of a highway bridge in Aachen, Germany. In the controlled demolition industry, building implosion is the strategic placing of explosive material and timing of its detonation so that a structure collapses on itself in a matter of seconds, minimizing the physical damage to its immediate ...
A reversing drum mixer (also commonly called a non-tilting mixer) is a type of concrete mixer that produces concrete in single batches. The entire drum rotates around its axis as materials are loaded through a charge chute at one end of the drum and exit through a discharge chute at the opposite end of the drum.
Degraded concrete and rusted, exposed reinforcement bar (rebar) on Welland River bridge of the Queen Elizabeth Way in Niagara Falls, Ontario. Concrete degradation may have many different causes. Concrete is mostly damaged by the corrosion of reinforcement bars due to the carbonatation of hardened cement paste or chloride attack under wet ...
Controlled Demolition, Inc. (CDI) is a controlled demolition firm headquartered in Phoenix, Maryland.The firm was founded by Jack Loizeaux who used dynamite to remove tree stumps in the Baltimore, Maryland area, and moved on to using explosives to take down chimneys, overpasses and small buildings in the 1940s. [1]
Depending on the climate, the curing process may take longer and require more frequent wetting. Once the concrete is cured, it sits for two to three weeks before the process is complete. [citation needed] When hydrophobic concrete is made through the use of an admixture, a powder with the hydrophobic chemicals is added during the batching process.