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

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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 8,746 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 6,282 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 5,309 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 6,611 4 View

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

Currently there seem to be no standard that covers how to carry out an accelerated corrosion test for steel in a reinforced cementatious composite. However, several studies have explored different...

10 November 2018 4,971 5 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 2,950 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 547 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 6,479 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 6,868 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 7,759 3 View

GC-MS retention index prediticon?

Hello experts, Does anyone know any free software about retention index prediction ?

08 August 2024 7,402 2 View

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...

08 August 2024 8,328 0 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 1,027 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 2,545 2 View

Can anyone provide me with molecular docking softwares/ websites?

Molecular docking software/ websites?

02 August 2024 8,703 7 View

Which will be the best software for the Hydration shell analysis with molecular dynamics?

I am using a windows system, what software I should use for hydration shell analysis with molecular dynamics?

02 August 2024 3,142 4 View

Why do open and free science in a world where science is not open and free?

Because I have realized that the world tends more and more to do open and free science and there is a trend more and more to choose free databases, free tools and open access platforms.

01 August 2024 10,044 1 View

Why is nonpoint source pollution potentially more harmful and difference between point and nonpoint sources of water pollution?

01 August 2024 1,180 2 View

How do living organisms play a role in the water cycle and why is nonpoint source pollution potentially more harmful than point source pollution?

01 August 2024 7,060 2 View

Some new emerging problems on application of RL for scheduling in IoT networks?

I have seen plenty of existing works on applied Reinforcement Learning (RL) policies for optimized scheduling in IoT networks including Q-learning, DQNs, and the newer ones including PPO for...

01 August 2024 8,753 2 View