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Robotic Hydrodemolition in Folkestone, UK. 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.
It is used in demolition jobs which involve breaking large blocks of concrete or rocks. Its use in geology was first popularized by volcanologist David Richardson. Following the darda splitters, the second type hydraulic splitter, known as piston splitter began to be used in large rock demolition sites like tunneling sites or building ...
Mason, a tradesperson skilled variously in brick and blocklaying, concrete finishing (the placement, finishing, protecting and repairing of concrete in construction projects). [7] Also stonemason, marble setter and polisher, tile setter and polisher, terrazzo worker and finisher. Hod carrier is a subsidiary trade (also see Laborer).
There are several ways dams can be removed and the chosen method will depend on many factors. The size and type of the dam, the amount of sediment behind the dam, the aquatic environment below the dam, who owns the dam and what their priorities are, and the timeframe of dam removal are all factors that affect how the dam will be removed. [9]
A breaker is mounted on the excavator on the left side Hydraulic breaker attachment on a skid-steer loader. A breaker is a powerful percussion hammer fitted to an excavator for demolishing hard (rock or concrete) structures.
A federal judge has temporarily blocked plans to remove a nationally known outdoor artwork that borders a pond in a Des Moines city park, finding the New York artist who created the work is likely ...
Stoplogs of a hydro power plant which can close the water flow to the turbine. Stoplogs are modular in nature, giving the operator of a gated structure the ability to control the water level in a channel by adding or removing individual stoplogs. A gate may make use of one or more logs.
A colossal block of nearly-solid concrete, 20 m (66 ft) high and up to 40 m (130 ft) thick at the bottom, held back the water. It also meant the Cold War-era dam could withstand almost any attack from outside. The sluice gates sat on top of this concrete, opening and shutting to adjust the water level in the reservoir. It became clear after the ...