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History
Starting in the mid 1950’s wet mix Shotcrete was introduced to the construction industry – these primitive attempts proved to be very beneficial to the industry, thru the 1970’s numerous structures have been constructed with WET MIX CONCRETE using the Shotcrete process as means and method to place the concrete
Description
Material is generally delivered with Ready- mix trucks per ACI 318 - ASTM C94 Standard specification for ready mixed concrete. The Aggregates are a combination of coarse and fine aggregates per ASTM C-33. Concrete is pumped thru a system with air-injected at the nozzle to increase velocity and improve the placement of the concrete. The concrete being placed may be vibrated and placed with or without the nozzle in congested and horizontal applications.
New Generation
In the early 1980’s the Concrete Industry takes a big step in the quality for mixing and batching ready mixed concrete, computer controlled ready mix plants are installed. Admixtures have become common and proven to increase the placement and durability of the concrete.

The equipment used in the Shotcrete (wet mix concrete process) has changed full circle from the start in the mid 50’s .Todays state of the art equipment is capable of pumping any slump and used in long distance tunnel projects as well as high rise concrete construction.

CSCA

Shotcrete has high strength, durability, low permeability, excellent bond, and limitless shape possibilities.

  • Little or no formwork is required.
  • Cost effective method for placing concrete.
  • Ideal for irregular surface applications.
  • Easier material handling in areas with difficult access.

 

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