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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.
Depending on the concrete condition and contamination, the cleaning can range from simple high pressure jet water cleaning (200 bar) up to real hydro-demolition (2000 bars). One method to ensure sound concrete is exposed is to verify that the surface pH is superior to 10. As for any concrete repair, the state-of-the-art rules must be followed.
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]
In the 1960s, Niagara Mohawk Power Company, which owned many hydroelectric facilities in New York State, had begun a program of demolition of older, smaller facilities in favor of larger central stations. Although Niagara Mohawk (which owned the Mechanicville plant) planned to demolish it, by 1985 a competitive plan for developing waterpower at ...
The Copco #2 dam was removed in 2023, and the Iron Gate Dam began demolition in May 2024. [8] [9] [10] The final dam was removed in August, 2024. [11] References
[30] [31] Stage 1 of demolition of the Aluminium Smelter was undertaken by CMA contracting and began in May 2017. [6] [32] The demolition included removal of all three potlines, asbestos waste elimination and recycling of waste materials. [32] Stage 2 of demolition was approved in May 2018 and involves the demolition of infrastructure below ...
Albania is the biggest producer of hydroelectric energy in the world by percentage (90% as of 2011) and by own production (100%). [3] Albania aims to increase its hydroelectric energy production to 100%. [4]
Fierza is the upper HPP (Hydro Power Plant) of the Drin River cascade followed by the power stations of Koman and Vau i Dejës downstream. Based on the installed power capacity, position and the volume of the reservoir, Fierza plays a key role in the exploitation, regulation and safe operation of the Drin cascade.