What is the minimum concrete porosity achieved so far ?

03 March 2018 1 3K Report

There are situations we need very low porosity of concrete....

It depends on the quality of the concrete and essentially its behavior with respect to its permeability and diffusivity.

Badges
Science topic

More Anwar Khitab's questions See All

Is there any equation which correlates the size of fine aggregates and the water requirement of concrete?

Water demand increases with decrease in size of fine aggregate particles. Is there any empirical equation which correlates the size of fine aggregates and the water demand of concrete if all the...

06 July 2018 9,412 1 View

During the EDS of a hydrated mortar samples, traces of Albite and Feldspar are found. How they get synthesised during hydration?

Control specimens of mortar were prepared. When eds was performed, albite and feldspar traces were found.

05 June 2018 1,324 5 View

Why cement is still the most popular binding material?

In spite of decades of research over replacement by green agro-industrial materials, cement is still being produced at somewhat same rate. We all are well aware, cement costs us environmentallye...

05 June 2018 9,187 6 View

What laboratory tests are recommended to evaluate the self-cleaning concrete?

Self-cleaning concrete is made by employing nano-titania particles in concrete.

31 December 2017 2,692 5 View

What is the maximum compressive strength achieved with concrete so far?

I need to know the maximum compressive strength achieved so far with concrete. What name is given to this concrete ?

08 September 2015 7,401 15 View

Preprints of manuscripts

Is it better idea to put papers on Preprints.org before publication?

01 January 1970 2,149 2 View

How to fix errors in my heat transfer steel structure with reinforced concrete slab model Abaqus?

I have modelled a steel structure using beam elements in Abaqus and attached to this structure reinforced concrete slab. The analysis that I am making is heat transfer of the structure. The...

07 August 2024 1,028 0 View

What are the limitations and challenges of using machine learning for predicting concrete compressive strength in practical applications?

Machine learning (ML) has shown great potential in predicting the compressive strength of concrete, an important property for structural engineering. However, its practical application comes with...

03 August 2024 2,546 2 View

Sample size for qualitative study?

I am working on scale development in behavioral finance by undertaking a mixed-method approach using the exploratory sequential design. The phenomenon has diverse meanings in existing literature...

20 July 2024 9,153 11 View

Zero pivot in Abaqus concrete 3D printing simulation using model change?

Recently I've been working on a simulation of concrete 3D printing, and has successfully simulated a layer-by-layer 3D printing process using model change. However, when I proceeded to try...

06 July 2024 2,130 0 View

What heavy aggregates are available for protective concrete in your country?

01 July 2024 1,625 3 View

Poured Earth Concrete ?

What are the benefits and advantages of concrete flooring when used in parking lot floors, and what are the technical requirements and general specifications that should be considered to ensure...

29 June 2024 2,171 5 View

Why did the simulated load-displacement curve of beam keep increasing and didn't decrease (ABAQUS)?

Dear colleagues, I'm currently modelling a simple 4-point bending test of a concrete beam in Abaqus. However, the load-displacement curve was ascending (without final point), which didn't match...

29 June 2024 6,192 2 View

What can the authors say about the interface problem between the concrete core and the CFRP shells? What is the adhesion type like?

I submitted my journal and got some comments, I have answered and corrected all the comments from the reviewer but I don't understand how to answer this question. any expert researcher help me to...

20 June 2024 3,802 1 View

Asked a question in geopolmer concret ?

What are the realistic applications of self-compacting geopolymer concrete in the world? Are there names of projects implemented with this concrete around the world? Please mention the names and...

20 June 2024 6,040 2 View

Hello everybody. Does anyone have Excel Sheet for Concrete Damage Plasticity parameters and does not mind to share it?

If you can share it with me, please email it to [email protected]. Many thanks in advance! Mohammad

19 June 2024 2,143 7 View