Lincy Varghese

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Questions related from Lincy Varghese

Can we add two different types of chemical admixtures simultaneously in a concrete mix?

What will be the effect of adding two different types of chemical admixtures (eg. accelerator {for early setting} and plasticizer {for water reduction}) simultaneously in a concrete mix? Will the...

08 August 2018 9,696 3 View

Relationship between Diffusion Coefficient and Migration Coefficient of Concrete?

What is the relationship between Diffusion Coefficient and Migration Coefficient of Concrete ? The query is NOT about the tests conducted, but I would like to know whether there is any clear...

02 February 2018 5,358 0 View

What is the difference between 'Apparent Diffusion Coefficient' and 'Effective Diffusion Coefficient of Chlorides in concrete?

1) What is the basic difference between 'apparent diffusion coefficient' and 'effective diffusion coefficient' of chlorides in concrete? 2) What test procedures should be followed to determine...

09 September 2017 2,748 1 View

Is the 'Combined Flakiness and Elongation Index' of aggregate is the numerical sum of separate elongation index and flakiness index?

It is mentioned in the test procedure (BIS/MoRTH) that while doing combined flakiness and elongation test, the flaky aggregates should be separated initially from the test sample, and the rest is...

07 July 2017 4,964 2 View