Concrete Testing

Compressive strength of concrete cubes and cores, density, and workability testing of fresh and hardened concrete as per IS Codes.

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Concrete cube under compression testing machine at SLV Geotech laboratory

Service overview

Concrete testing is essential to verify the quality, strength, and durability of structures. A mix can be designed correctly and still fall short on site because of water added at the pump, poor compaction, or inadequate curing. Cube results are the record that proves what was actually placed, which is why every pour on a serious project is backed by tested samples.

Our laboratory performs testing on both fresh and hardened concrete. We test cast cubes at 7 and 28 days, along with density and workability checks, following IS 516 and IS 1199, with acceptance judged against the grade requirements of IS 456.

Where cube results are disputed or missing, or where an existing structure needs assessment, we test cores extracted from the member itself. Accurate testing helps ensure structural safety, compliance with project specifications, and long term durability.

Compressive strength of concrete cubes

Cast cubes tested at 7 and 28 days to confirm the pour reached its designed grade.

Compressive strength of concrete cubes

Cast cubes tested at 7 and 28 days to confirm the pour reached its designed grade.

Compressive strength of concrete cores

Cores taken from the hardened member itself, used when cube results are missing, disputed, or an old structure needs assessment.

Compressive strength of concrete cores

Cores taken from the hardened member itself, used when cube results are missing, disputed, or an old structure needs assessment.

Density

Hardened density of the sample, which indicates compaction quality and helps explain low strength results.

Density

Hardened density of the sample, which indicates compaction quality and helps explain low strength results.

Workability of fresh concrete

Slump measured before placing, to check consistency and catch excess water at the point where it can still be corrected.

Workability of fresh concrete

Slump measured before placing, to check consistency and catch excess water at the point where it can still be corrected.

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Concrete Testing

Compressive strength of concrete cubes

Compressive strength of concrete cubes

Compressive strength of concrete cores

Compressive strength of concrete cores

Density

Density

Workability of fresh concrete

Workability of fresh concrete

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