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Civil Engineering & Construction vocabulary · Concrete and Steel

Slump test

Meaning in civil engineering & construction, with examples

nounCommon term

In civil engineering & construction, slump test means: A simple site test of how workable fresh concrete is: a cone is filled with concrete and lifted away, and the drop in the concrete's height is measured in millimetres.

In Turkish: çökme deneyi, slump deneyi

How it is used

Done on site when the trucks arrive, often by a lab technician. The result is called 'the slump', for example 100 mm, and concrete outside the specified range may be rejected.

Example sentences

  1. The third truck failed the slump test, so we sent it back.

  2. The slump test gave 180 mm, but the spec allows 120 to 160.

Common collocations

  • carry out a slump test
  • slump value
  • slump class
  • slump cone
  • ready-mix concreteConcrete that is batched at a plant to a set recipe and delivered to site in truck mixers, ready to pour.
  • compressive strengthHow much crushing pressure a material, especially concrete, can take before it fails. For concrete it is measured in megapascals (MPa) on cubes or cylinders, usually at 28 days.
  • concreteA building material made by mixing cement, water, sand and gravel. It is placed while wet and hardens into a strong, stone-like mass.
  • specificationA written document that describes the materials, standards, workmanship and testing required for a project. It is used together with the drawings.

More terms: Concrete and Steel

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