NO! The shotcrete process where low slump concrete is sprayed under high pressure is critical to the construction process. Shotcrete does not create cold joints and it makes the concrete significantly stronger and with better consolidation (less voids).
Note: As shotcrete is simply a method for placing concrete, shotcrete enjoys all the sustainability advantages of concrete as a building material including use of recycled materials, SCMs, and the very broad topics related to durability, reparability, etc. The sustainability advantages unique to shotcrete are inherent in the placement process.
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