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The alkali–silica reaction (ASR), also commonly known as concrete cancer, [3] is a deleterious internal swelling reaction that occurs over time in concrete between the highly alkaline cement paste and the reactive amorphous (i.e., non-crystalline) silica found in many common aggregates, given sufficient moisture.
Concrete cancer may refer to: Rebar corrosion and spalling of the concrete cover above rebar caused by the rust expansion and accelerated by chloride attack and ...
But concrete cancer — the formal term is alkali-silica reaction — was a key issue the team raised more than a year ago in announcing the organization’s decision to pursue construction of a ...
Swimming Pool Country City Area Opened Water Notes Coordinates 1 Citystars Sharm El Sheikh Egypt: Sharm El Sheikh: 96,800 m 2 (1,042,000 sq ft) [1] See Note. 2015 Sea water 2 San Alfonso del Mar Chile: Algarrobo
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Salt water chlorination is a process that uses dissolved salt (1000–4000 ppm or 1–4 g/L) for the chlorination of swimming pools and hot tubs.The chlorine generator (also known as salt cell, salt generator, salt chlorinator, or SWG) uses electrolysis in the presence of dissolved salt to produce chlorine gas or its dissolved forms, hypochlorous acid and sodium hypochlorite, which are already ...
Example of flat piece of concrete having dislodged with corroded rebar underneath, Welland River bridge across Queen Elizabeth Way in Niagara Falls, Ontario. The expansion of the corrosion products (iron oxides) of carbon steel reinforcement structures may induce internal mechanical stress (tensile stress) that cause the formation of cracks and disrupt the concrete structure.
Patrick Woepse — husband of Olympian Maddie Musselman, a member of Team USA’s women’s water polo team — explains how he was diagnosed with Stage 4 lung cancer. Man, 30, has a rare cancer.