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WHAT YOU NEED TO KNOW ABOUT SHOTCRETE Presented by:Pro Shotcrete Brisbane
Types of Shotcrete • The Dry Shotcrete Procedure • The Wet Shotcrete Procedure
Advantages of ShotcreteShotcrete is; ● Relatively cheap as compared to conventional concrete ● Not limited to any design, you can have any shape and size of a structure ● Easy to apply because you can spray it to areas that are impossible to reach ● Offer low shrinkage and permeability ● It is applied with fibres which give it great flexural strength and toughness ● Adherent to the surface, it is much better than regular conventional concrete ● Its placing and consolidation take place simultaneously ● Easy to work with for it’s applied using a nozzle from a safe distance. ● Requires less for work and shuttering as compared to regular concrete. ● It has a great bonding nature which keeps the concrete layer strong
Disadvantages of Shotcrete • There’s a lot of concrete wastage during application. • The process is costly and not favourable in isolated areas.
Use of shotcrete • Construction projects like tunnels, pools, water tanks, retention walls and structural reinforcement. • Widely stretched in the building of vertical or horizontal surfaces of curved columns like canals and reservoirs • Used for protection against fire, long-term corrosion pilling, steel building frames and coal bunkers. • Shotcrete uses a small maximum size aggregate with a high content of cement. • In most cases, shotcrete application is usually done to enhance durability. • It is compacted with high velocity, unlike conventional concrete which is compacted by vibrations.