Concrete testing needs to be carried out on all fresh concrete before it sets. This is an important part of quality control, and ensures the concrete meets the required specifications for that specific structure.

In addition, there is another range of tests that can be carried out on hardened concrete.

Concrete testing provides accurate information regarding the concrete’s strength, durability, air content, and permeability.

In essence, we test the quality of the concrete in relation to what is required of that specific concrete structure. Particular importance is placed on the strength of the concrete.

Compression tests and slump tests are generally regarded as the primary tests for quality control.

A slump test is conducted on site, on wet concrete. It is a quick and easy process. Because it does not require a lab or expensive equipment, it is also a cost-effective option.

Slump tests measure the quality of the mix of materials in the concrete. In particular, it measures the water:cement ratio in the concrete mix.
Because a slump test is conducted before the concrete is poured into framework, a poor quality batch can be identified and rejected early in the process. This saves future repairs or even demolition due to an inferior concrete mix being used.

A compression test is carried out on hardened concrete. Like a slump test on wet concrete, a compression test is quick, cost-effective, and accurate.
A compression test, as indicated by the name, tests the compressive strength of concrete. In addition, many other properties of the concrete are related to this compressive strength, making it an especially useful indication of the quality of the concrete. It is the best way to test the variability of hardened concrete.

Because there are many different tests for concrete, we will tailor our concrete testing service to your needs.

The tests most commonly carried out on fresh concrete include:
  • Workability tests (e.g., slump test)
  • Air content
  • Setting time
Other tests that might be carried out on fresh concrete include:
  • Segregation resistance
  • Unit weight
  • Wet analysis
  • Temperature
  • Heat generation
  • Bleeding
Common tests for hardened concrete are:
  • Compressive strength
  • Tensile strength
  • Modulus of elasticity
  • Permeability tests
  • Destructive and non-destructive in-situ tests
Other tests for hardened concrete include:
  • Modulus of rupture
  • Density
  • Shrinkage
  • Creep
  • Freeze/thaw resistance
  • Resistance to aggressive chemicals
  • Resistance to abrasion
  • Bond to reinforcement
  • Absorption

Scan Before You Start Work

Concrete Genie works with you to ensure the safety of your workers before you start coring, cutting or drilling concrete. We use Ground Penetrating Radar to scan for rebar, utilities and anomalies so you can avoid costly errors.

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