Chapter 2 Types of Shotcrete and Applications Corps of ...

EM 1110-2-200531 Jan 93 Chapter 2 Types of Shotcrete andApplications2-1. Why Shotcretea. Importance of proper Shotcrete is a structurally sound and durableconstruction material which exhibits excellent bondingcharacteristics to existing concrete, rock, steel, and manyother can have high strength, lowabsorption, good resistance to weathering, and resistanceto some forms of chemical attack. Many of the physicalproperties of sound Shotcrete are comparable or superiorto those of conventional concrete or mortar having thesame applied Shotcrete maycreate conditions much worse than the Advantages of is used in lieuof conventional concrete, in most instances, for reasonsof cost or is advantageous insituationswhenformworkiscostprohibitiv eorimpractical and where forms can be reduced oreliminated, access to the work area is difficult, thinlayers or variable thicknesses are required, or normalcasting techniques cannot be are possible because Shotcrete requires only asmall, portable plant for manufacture and operations can often be acc

to some forms of chemical attack. Many of the physical properties of sound shotcrete are comparable or superior to those of conventional concrete or mortar having the same composition. Improperly applied shotcrete may create conditions much worse than the untreated condition. b. Advantages of shotcrete. Shotcrete is used in lieu

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