P. Markandeya Raju

9 Questions 17 Answers 0 Followers

Questions related from P. Markandeya Raju

How do you model a pre-tensioned bonded tendon and a pre-tensioned unbonded tendon in preststressed concrete beams in ansys APDL?

01 January 2020 6,268 3 View

Is there any standard code of practice for testing beam - column joints?

I just wanted to know if there are any guidelines for size of beam, span of beam, size of column, length of column, reinforcement detailing etc., for a beam column joint while testing it in a...

05 May 2018 6,277 0 View

Is there an alternate software to extreme loading software?

I understand that applied element method is adopted for progressive collapse studies of RC frames subjected to blast. Extreme loading software is based on this method but is neither available...

02 February 2017 1,633 0 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...

03 March 2016 5,958 11 View

What is the possible reason for increase in compressive stregth of concrete upto 14 days and decrease subsequently when it is cured in sea water?

I have conducted a few tests on concretes mixed and cured in sea water. I observed that the strength increased for the first 14 days but decreased there after. I also repeated the tests for OPC,...

02 February 2016 2,262 5 View

How can we check if a non-linear multi-variable (more than 4 variables) function with constraints is a convex function or a concave function?

I am not a mathematician and so is there any program or tool for the same? I require it before i adopt RGM for this function for optimization.

01 January 2016 2,550 3 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...

12 December 2015 9,617 7 View

What are some practically applicable methods of rehabilitation of beams failed in shear-flexure?

Also through some light on parameters of measuring / comparing performance of rehabilitated beam?

12 December 2015 1,313 14 View

How can we measure shrinkage characteristics of concrete in laboratory?

concrete

11 November 2015 2,589 0 View