Download - Shotcrete and Guniting
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Shotcrete/Gunite
Pneumatically applied mixture of
cement, aggregate, and waterconveyed through a hose and
projected at high velocity onto
the application surface.
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Bridges / Dams
Sewer
Sanitary
Storm (Culverts / Basins)
Headwalls / Wing Walls
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Piers / Docks
Ditches
Retaining Walls
Scope Stabilization
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Shotcrete in which all of the ingredients, except
accelerator, are mixed before introduction into
the delivery hose.
Definition of Wet Mix Shotcrete
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Accelerator, if used, is added to the shotcrete
mixture at the nozzle in such a way that the
quantity can be properly regulated and
monitored.
Shotcrete (Wet Mix)
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Pre mix blend of dry cement and aggregate is
propelled through a hose by compressed air to
a nozzle.
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Gunite Equipment
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Dry Mix: Water is added to the cement/aggregate
mixture at the nozzle and the mixed ingredients are
projected onto the application surface.
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Accelerators can be added at
the nozzle when required.
Fibers (Steel or Poly) can also be
used.
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Portland Cement
Water
Sand
Admixtures / Fibers
Difference : ???
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Portland Cement
Water
Sand
Admixtures / Fibers
Difference : Applied via Compressed Air
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Typical Application of Shotcrete/Gunite
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Dollar Savings per Project, allows more
projects to be completed!
Low Impact to Environment
No Impact to Local Businesses
No Disruption of Traffic
Typical Benefits of
Repair vs. Replacement:
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Rehabilitation of Corrugated Steel Pipe with Shotcrete
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Rehabilitation of Brick Sewer with Shotcrete
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Uses of Shotcrete
Infrastructure rehabilitationBridges, parking structures, subway tunnels
etc.
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Uses of ShotcreteBridges - continued
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Uses of ShotcreteBridges - continued
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Uses of ShotcreteBridges - continued
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Uses of ShotcreteInfrastructure rehabilitation
Dams and hydraulic structures (water reservoirs,
canals, spillways, locks, creek stabilization, etc.)
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Uses of Shotcrete
Infrastructure rehabilitation
Marine structures (piers, wharves, sea walls, light
stations, berth faces, dry docks, etc.)
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Uses of Shotcrete
Infrastructure rehabilitation
Strengthening and seismic retrofit
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Uses of ShotcreteInfrastructure rehabilitation
Retaining Walls
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Uses of Shotcrete
Infrastructure rehabilitation
Retaining Walls (continued)
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Shotcrete / Gunite has been used for
nearly 100 years and with the growing
experience and technology, the
industry and application will continue
to expand.