Expert knowledge

Cast-in-place concrete

In-situ concrete refers to concrete that hardens at its installation site. The still liquid concrete is either transported to the construction site by mixer trucks or the concrete is mixed on site.

More about cast-in-place concrete

Cast-in-place concrete is particularly used when large areas are to be concreted. For smaller concrete work, precast concrete elements can be installed.

In most cases, cast-in-place concrete is poured into formwork.

Since concrete can be produced locally, only as much as is consumed must be produced. If necessary, more concrete can be mixed at any time.

Other properties of cast-in-place concrete:

  • low diffusion capacity
  • is difficult to dehumidify
Planning notes

Before drying, a vibrating plate must be used to ensure that existing air bubbles disappear from the concrete.

As a rule, a period of 4 weeks must be observed before reinforced concrete structures that have been poured in in-situ concrete may be loaded. This time is needed for the concrete to dry out completely.

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