Acceptance Result for C30 Grade Concrete as per European Code?

The acceptance criteria for C30 grade concrete as per European standards are as follows:

 

Compressive strength: The characteristic compressive strength of C30 grade concrete at 28 days is 30 N/mm². The minimum compressive strength requirement is 20 N/mm² at 7 days and 25 N/mm² at 28 days. The individual test results should not be less than the minimum strength requirement by more than 4 N/mm².

 

Workability: The concrete mix should have a workability of 50-90 mm slump as per EN 12350-2.

 

Density: The density of C30 grade concrete is typically between 2200 kg/m³ to 2500 kg/m³.

 

Water absorption: The maximum water absorption capacity of C30 grade concrete is 6% as per EN 12504-1.

 

Durability: The concrete mix should be designed to ensure that the concrete has a minimum durability of 50 years, which includes resistance to environmental and chemical exposure.

 

Other requirements: The concrete mix should also meet other specific requirements as per the project specifications, such as maximum allowable w/c ratio, minimum cement content, and maximum aggregate size.

 

It is important to note that these acceptance criteria are specific to C30 grade concrete and may vary for other grades of concrete. Additionally, the acceptance criteria may be further customized based on the project requirements and specifications.

  

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