Civil Engineering Testing Laboratory ¡¤ SANAS T1018
+27 11 477 1045

Fresh and hardened concrete

Measure strength.Confirm performance.

Concrete, masonry and core testing support production control, investigation and verification of constructed elements.

Fresh concreteCompression testingCoring and investigation

From placement to verification

Test the material at the decision point.

Fresh-concrete observations, prepared specimens, hardened testing and extracted cores can be combined to document quality and investigate existing work.

  • Slump testing
  • Cube and cylinder compression
  • Concrete mix design and core drilling
Test the material at the decision point.

Detailed capability

What this service covers.

01

Concrete

  • Slump
  • Cube compression
  • Cylinder compression
  • Mix design
  • Concrete core drilling
  • Indirect tensile testing of cores
02

Masonry

  • Brick compressive strength
  • Brick efflorescence
  • Brick bulk density
  • Brick water absorption
03

Pavers and blocks

  • Paver tensile splitting strength
  • Building-block compressive strength
  • Building-block transverse strength
  • Condition assessment sampling

Public test guide

Choose a test to understand what it does.

Each test opens a plain-language page explaining what is used, what is measured and how the result supports a project decision.

01

Brick bulk density

Measures the mass of a brick or masonry unit relative to its overall volume.

02

Brick compressive strength

Measures the load a masonry brick can carry before crushing.

03

Brick efflorescence

Checks masonry units for visible salt deposits that can appear after water moves through the material and evaporates.

04

Brick water absorption

Measures how much water a dry masonry unit absorbs under specified soaking conditions.

05

Building-block compressive strength

Measures the compressive load a concrete building block can withstand.

06

Building-block transverse strength

Measures a building block’s resistance to bending across a supported span.

07

Concrete core drilling

Removes a cylindrical sample from hardened concrete for direct inspection and testing.

08

Concrete cube compressive strength

Determines the compressive strength of a concrete cube made from sampled fresh concrete.

09

Concrete cylinder compressive strength

Determines the compressive strength of a cylindrical concrete specimen.

10

Concrete mix design

Selects practical proportions of cementitious material, water, aggregate and admixtures for a required concrete performance.

11

Concrete slump test

Checks the consistency and workability of fresh concrete before or during placement.

12

Indirect tensile strength of concrete cores

Estimates the tensile resistance of a cylindrical concrete core by loading it across its diameter.

13

Paver tensile splitting strength

Measures the resistance of a concrete paving unit to splitting under line loading.

Make informed project decisions

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Discuss the testing or investigation your project needs.
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