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Alkali–silica reaction
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The alkali–silica reaction, also commonly known as concrete cancer, is a deleterious internal swelling reaction that occurs over time in concrete between the highly alkaline cement paste and the react
Characteristic crack pattern associated with the alkali–silica reaction affecting a concrete step barrier on a US highway. Note the typical fatty aspe
Characteristic crack pattern associated with the alkali–silica reaction affecting a concrete step barrier on a US highway. Note the typical fatty aspect of the silicagel exudations imbibing the concrete surface along the two sides of the cracks.
Typical crack pattern of the alkali-silica reaction (ASR). The gel exudations through the concrete cracks have a characteristic yellow color and a hig
Typical crack pattern of the alkali-silica reaction (ASR). The gel exudations through the concrete cracks have a characteristic yellow color and a high pH. The fatty aspect of the exudations imbibing the concrete porosity along the cracks is also a distinctive feature of ASR.
Surface of a concrete pillar of the building of the National Gallery of Canada at Ottawa presenting the typical crack pattern of the alkali-silica rea
Surface of a concrete pillar of the building of the National Gallery of Canada at Ottawa presenting the typical crack pattern of the alkali-silica reaction (ASR). Note the typical fatty aspect of the yellow silicagel exudations imbibing the concrete surface along the two sides of the cracks.
Sixth Street Viaduct
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The Sixth Street Viaduct, also known as the Sixth Street Bridge, is a viaduct bridge that connects 6th Street in the Arts District in Downtown Los Angeles with Whittier Boulevard in the Boyle Heights
Alkali–silica reaction
…Seminoe Dam in Wyoming. Sixth Street Viaduct in Los Angeles. Demolished in 2016. Kariba Dam…
The second incarnation of the Sixth Street Viaduct, 2023
The second incarnation of the Sixth Street Viaduct, 2023
Walkway and steel arch girder of the original 6th Street Viaduct over the Los Angeles River, 1956
Walkway and steel arch girder of the original 6th Street Viaduct over the Los Angeles River, 1956
Demolition of the predecessor viaduct bridge in April 2016
Demolition of the predecessor viaduct bridge in April 2016
The new viaduct during construction as seen from Boyle Heights on June 22, 2021.
The new viaduct during construction as seen from Boyle Heights on June 22, 2021.