What is the best way to carry out accelerated corrosion tests in Reinforced concrete?

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Is there any open source software available to model the microstructure of cementitious composites?

I will like to model the microstructure of concrete/mortar, is there any software to model the resulting products? Thanks

31 December 2018 8,353 2 View

Freeze and thaw test for concrete according to ASTM C 666, what alternative test or parameter can be used to replace the dynamic testing apparatus?

One of the apparatus required for freeze and thaw test according to ASTM C666 is the dynamic testing apparatus. This apparatus is used to obtain the relative dynamic modulus of elasticity and...

11 December 2018 8,610 2 View

What is the best way to coat PVA fibers with oil agent?

PVA fibers are modified with oiling agents to reduce bonding between the fiber and the cementitious matrix. What is the best type of oiling agent and method of application is most...

11 December 2018 6,141 1 View

What types of data mining or ANN software can be used with less programming experience?

I'm looking for software or program suggestions that can be used to carry out data mining and artificial neural network with less programming input.

11 December 2018 5,157 12 View

Is there any non destructive test that can be improvised in the lab to estimate the strength and permeability properties of concrete?

Non destructive tests equipment for concrete are quite expensive and not readily available. Is there any non destructive test that can be improvised or built with commonly available materials to...

10 November 2018 6,485 4 View

What are alternative cheaper fibers that can be used for engineered cementitious composites?

The most used fibers for ECC are PVA and PE, however, these fibers are very expensive. Are there other cheaper and greener materials that can be used as fiber in ECC?

10 November 2018 2,797 24 View

Why is high volume slag associated with high shrinkage in cementitious composites?

I will like to know why there is always high shrinkage when slag is used at larger percentage replacement of cement. The reasons in terms of its chemical reactions with OPC and the physical and...

10 November 2018 368 3 View

What are the emerging supplementary cementatious materials that can be used to replace cement?

The use of supplementary cementitious materials (SCMs) is increasing rapidly as they can be used to partially or totally replace OPC in concrete. The most common types of SCMs are fly ash, slag,...

10 November 2018 6,331 13 View

How to improve the sustainability of ECC?

Engineered cementatious composites are high performance composite and are gaining huge research recently due to their enhanced ductility and durability. What are the major ways to improve the...

10 November 2018 6,667 13 View

How to get percentage contribution of factors in design expert?

I'm using design expert software for the design of the influence of different factors in my experiment. However, I couldn't get any section that shows the percentage contribution of each factor on...

10 November 2018 7,625 3 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

How do I increase the yield of my PCR product?

Hello, We would like to increase the yield of our PCR product. We are running a series of PCR reactions that is targeting ~1.1kb sequence. We begin each reaction with ~400pg of template DNA...

02 March 2021 4,029 3 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

What element is driving the different slop in the low frequency tail?

My study consists simple corrosion inhibitors in salty brine. Right now I just fit my circuit with randles with CPE. Just wondering how the slop can given more info of the experiment. Or any...

01 March 2021 6,474 3 View

What is the procedure to determine the permeability of concrete?

can anyone help me in this, it will help me with my research work

01 March 2021 834 3 View

How Can I bring as much common elements in steel as possible to calculate stable phase(s) in OpenCalphad?

As I was tweaking step-by-step OpenCalphad6 Macros step1.ocm involving phase and thermal property calculation of a High-speed steel, I could not incorporate more than 6 elements in the steel...

01 March 2021 8,840 1 View

How can you bring two structures together to create an adhesive bond in LAMMPS?

I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....

01 March 2021 3,325 2 View

Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS?

I need to model masonry and reinforced concrete minarets for my MSc thesis. Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS? (Or any other program for just...

01 March 2021 736 3 View