P. Markandeya Raju

5 Questions 6 Answers 0 Followers

Questions related from P. Markandeya Raju

What are applications of Class 1, 2, 3 and 4 steel s/c? Can Class 4 s/c considered as flexural members? Why are Class 4 sections not adopted as beams?

Where are Class 1, 2, 3 and 4 sections generally adopted by steel construction industy? Why are class 4 sections not used as beams? As what structural members are Class 4 members used?

11 June 2024 2,453 1 View

How can we explain the initial decrease and then the increase in the stiffness of an RC beam under load deflection test?

I have conducted a Load vs deflection test and the graph shows that there is an initial decrease (concave curve) and then an increase in the stiffness of the beam. Can anybody explain this...

13 February 2017 3,481 2 View

Can the effect of quality of water used for curing be different on compressive and split tensile stregth of concrete?

I did tests on compression and split tension of concrete cured in sea water. while a reduction in comp. strength was observed, an increase in split tensile strength was observed when compared with...

06 March 2016 8,638 10 View

How can we interpret the results of durability tests on concrete like sulphate attack or acid attack on concrete say loss of strength or weight?

Generally durability of concrete is determined by curing concrete in 5% or so solutions of H2SO4 or HCl and the loss of strength and weight is determined. I guess they only give the relative...

19 December 2015 8,698 6 View

How can I delay the setting of a geo-polymer concrete?

Can any one suggest admixtures and their modeof action for delaying the setting of geo-polymer concrete. Are there any alternatives to these admixtures.

24 October 2015 9,707 10 View