Difference between revisions of "Gunite"
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betão projectado (Port.); shotcrete | betão projectado (Port.); shotcrete | ||
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| − | Anne Sullivan, "Shotcrete", in ''Twentieth-Century Building Materials'', T. Jester (ed.), McGraw-Hill: New York, 1995. | + | * Anne Sullivan, "Shotcrete", in ''Twentieth-Century Building Materials'', T. Jester (ed.), McGraw-Hill: New York, 1995. |
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* ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | * ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | ||
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[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 13:31, 27 August 2022
Description
Originally a trademark of Cement Gun Company, gunite is now licensed for general use. Gunite, or shotcrete, is a concrete mixture that is sprayed at high velocity onto a surface. Shotcrete is composed of the same materials (cement, sand, aggregate and water) used for poured-in-place concrete. It can be applied by a wet-mix process in which the water is added prior to dispensing or by a dry-mix process in which the water is mixed in the nozzle during delivery. A patent for the first concrete sprayer was obtained in 1908 by Carl Akeley at the Field Museum of Natural History in Chicago. Shotcrete was used to apply thin layers to steel reinforced masonry sections, to coat building exteriors and to repair deteriorated stucco. Because it could be applied to vertical and overhead locations, it was also used to construct domes and shell roofs. Cracking and debonding are seen in deteriorated shotcrete as well as corrosion of reinforcing bars.
Synonyms and Related Terms
betão projectado (Port.); shotcrete
Resources and Citations
- Anne Sullivan, "Shotcrete", in Twentieth-Century Building Materials, T. Jester (ed.), McGraw-Hill: New York, 1995.
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998