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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.
The Kopaska (Indonesian: Komando Pasukan Katak, lit. 'Frogman Forces Command') is the premier frogman and underwater demolition unit of the Indonesian Navy.The unit's motto is Tan Hana Wighna Tan Sirna (Sanskrit for "There is no obstacle that cannot be defeated").
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]
The 1000 MW hydro project was temporarily out of service. 1971 [5] Banqiao Dam: Henan China: 1975 Banqian Dam failure: 26,000 dead from flooding, 145,000 dead from subsequent famine and epidemics, 11 million homeless. Caused loss of generation, dam failed by overtopping in a 1-in-2,000 year flood [6] 1975: Teton Dam: Idaho United States
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.
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.
[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 ...
The Jatiluhur Dam is a multi-purpose embankment dam on the Citarum River in West Java, Indonesia. It is located 70 km (43 mi) east of Jakarta , close to the medium-sized town of Purwakarta . Jatiluhur Dam was designed by Coyne et Bellier and was constructed between 1957 and 1965 while the power station became operational in 1967.