What is shotcrete and when is it used?
Shotcrete is applied using a wet- or dry-mix process. The wet-mix shotcrete process mixes all ingredients, including water, before introduction into the delivery hose. The dry-mix shotcrete process adds water to the mix at the nozzle. Shotcrete is used in new construction and repairs and is suitable for curved and thin elements (ACI 506R).
Shotcrete | Sika Canada
Industry leading pre-blended, pre-packaged dry & wet-mix shotcretes. Steel or synthetic fibers used to increase the resilience and energy absorption of the shotcrete. Highest performance with maximum efficiency. Specialist equipment for all types of wet and dry process shotcrete applications and accelerator dosing.
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Shot crete has been found to have following advantages and disadvantages: 1. The shot crete layer can be made very strong by applying pneumatic pressure. 2. 3 cms to 5 cms thickness of short crete lining is sufficient. 3. Shot crete lining does not need expansion and construction joints. 4.
506R-16: Guide to Shotcrete
Railway Engineering Association introduced the term "shot - crete" to describe the gunite process. In 1951, the American Concrete Institute adopted the term "shotcrete" to describe the dry-mix process. It is now also applied to the wet-mix process and has gained widespread acceptance in the United States and around the world.