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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.