Wojciech Kubissa

8 Questions 19 Answers 0 Followers

Questions related from Wojciech Kubissa

What adhesive should I use to permanently attach locating discs to the concrete?

I plan long-term tests (about 10 years) of concrete elements. I would like to measure their deformation. I need to permanently fix the locating discs for the Demec measuring device. I am asking...

12 December 2018 4,505 3 View

How to determine the moisture transfer coefficient in concrete? (What unit?)

Dear Sirs, I have a problem with defining a unit when calculating the moisture diffusion coefficient in a concrete. PROBLEM EXPLANATION: research: - I prepared cubic samples with a 150 mm edge,...

07 July 2017 3,499 8 View

What is the relative humidity of concrete in bridges and road pavements?

I am looking for information on concrete RH in bridges / viaducts and in concrete road pavements. The data would be perfect as in the...

07 July 2017 6,735 4 View

How the result of the measurement of air permeability of concrete depends on the temperature?

Dear Colegues, I am looking for information: How the result of the measurement of air permeability of concrete depends on the temperature? Especially I am interested in correction factor for...

01 January 2016 733 3 View

Is the way of destruction such as in the picture correct?

Dear colleagues, I'm looking images properly destroyed samples tested using neoprene pads ASTM 1231. Interested primarily samples with a ratio h:d equal to 1:1 Does the way of destruction such as...

06 June 2015 8,121 6 View

How do you judge quality of the concrete on the basis of the sorptivity test ASTM C 1585?

Dear Colegues, I am looking for information on how to judge quality of the concrete on the basis of the sorptivity test ASTM C 1585? Something like for example for Autoclam (Table...

01 January 2015 3,562 2 View

What is the depth of penetration of water under pressure for hardened concrete?

I am looking for results of EN 12390-8:2009 Testing hardened concrete. Depth of penetration of water under pressure test for concrete with different cements used. I am most interested comparing...

12 December 2014 3,886 4 View

Where can I find information on concrete sorptivity dependence on the shape and size of the sample?

I am looking for publications about concrete sorptivity dependence on the shape and size of the sample. I know: W. Dias. Influence of drying on concrete sorptivity in Magazine of Concrete...

09 September 2014 270 2 View