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What is Strain?
Now we talk about the "brother" of Stress: Strain. noun noun: strain; plural noun: strains a force tending to pull or stretch something...

What is stress?
To the laymen, stress is normally associated with the human body and mind; a physical and mental condition. However to engineers, it has...


What is Modulus of Elasticity?
BS EN 206:2013 requires testing of concrete for Modulus of Elasticity. What is Modulus Elasticity and why is it important? Modulus of...


What's the benefit of using fly-ash blended cement in concrete?
Interest in blended cements is growing because of its advantages as increased production economy, reduced CO2 emissions and fuel...

Core test fails? Does it mean that concrete supplied was defective? Think again!
In-situ core strength compared to standard cube strength There is no unique relationship between the strength of in-situ concrete,...


7th day cube test failed……what to do next?
Cube tests are considered as one of the prime and basic gauge to measure the strength of concrete after the pour. Though there are...


Next case….The cube test on 28th day also failed…..
When we consider concreting at site and their respective cube tests, there are four possible combinations as listed below. 1. Concrete is...


The 28-Day Myth
Throughout the construction industry, the common belief is that concrete takes 28 days to cure and reach 100% of its strength. This...


Is there a good way to correlate compressive strength and flexural strength?
A correlation can be made between cast compression samples (cubes or cylinders) and cored samples, which will be the first thing you will...
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