20 August 2019 1 10K Report

how fracture toughness can be found out by four point bend test? and why only three point bend test is used for fracture toughness?

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What should be the End Time, velocity and other settings in ANSYS Workbench Explicit Dynamics to simulate Quasi-static compression?

I am trying to model a quasi-static compression of a complex structurAl geometry. The experiment was done at 2 mm/min of loading. I am using ANSYS Explicit Dynamics. I’m also using Automatic Mass...

20 April 2024 2,934 4 View

Are there any guidelines for collecting core samples in cases of structural failure?

The process of collecting core samples in cases of structural failure is essential for understanding the root causes and evaluating the integrity of the structure. While specific guidelines may...

05 November 2023 4,488 4 View

How to find the Degree of reaction from TGA analysis?

How can one determine the Degree of Reaction (DOR) using Thermogravimetric Analysis (TGA)? In modern times, blended mixes with various Supplementary Cementitious Materials (SCMs) are common,...

14 October 2023 4,741 2 View

Is there any tool for measurement of relaxation in psychometric domain?

Relaxation response is an event facilitated by several practices and lifestyle. I am working on such a practice.

25 September 2023 7,115 3 View

Given that a UV bulb with 11 Watt, wavelength of 254 nm, how can I calculate intensity at various distance?

(suppose d = 5 cm, intensity at 5 cm = ?)

27 May 2020 7,881 0 View

How does Ca/Si ratio play role in reactivity of blended cement?

I observed that the low calcium fly ash is more reactive than the high calcium fly ash. Is there any relation between C/S ratio to the reactivity and strength of concrete???

03 January 2020 1,176 3 View

How to find the percentage of calcium hydroxide from TG/DTA curve?

Can we consider the percentage of mass loss between 420 ⁰C to 500 ⁰C as the percentage of calcium hydroxide? or any other method are there to calculate the percentage of calcium hydroxide from TG...

14 November 2019 8,330 1 View

How mortar's toughness can be measured of unnotched section by load deflection curve? is there any standards are available for toughness of unnotched?

How can we measure the toughness of mortar or concrete of unnotched section through load deflection method? any standard are available for measure the toughness of unnotched beam?

21 July 2019 1,434 4 View

How to prepare the 28day hydrated cement paste sample for XRD ?

Exactly how one can prepared the cement sample for XRD and TG/DTA? how can stop the hydration of cement?

07 July 2019 5,859 10 View

Do I need to time scale the time histories for IDA of a validated numerical model based on a scaled shake table experimental model?

The validation is done based on a time scaled ground motion (response of shake table). However, for this validated numerical model, do the time histories (to be used for incremental dynamic...

09 September 2018 5,237 5 View

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Can cross-slip, twinning and fracture systems, under applied loadings, receive the same mathematical theory?

Cross-slip, twinning and fracture are major deformation modes adopted by loaded materials. It appears sound that these apparently different deformation mechanisms can be analysed on the equal manner!

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How to indentify the pre-cracking force in FCGR testing?

Hello all, I need to pre-crack a steel specimen with the following dimensions. W = 25mm, an = 6mm, B = 5mm How do I identify the force required for the pre-crack initiation?

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How to estimate/predict DBTT for low carbon steel (A572/RHA) based on chemical composition?

Trying to estimate the DBTT temperature for A572 & RHA steel based on alloying composition.

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Apart from basic bone remodeling markers, which other blood biomarkers do you think have potential to predict fractures in older adults?

Currently, there are numerous blood biomarkers that have been linked to fractures and increased fracture risk (for example, IL-6). Considering the current evidence, which ones do you think are the...

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What are the different ways to apply the boundary conditions for a compact tension (CT) specimen in FEM modelling.?

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How to Use material properties for GGG40 from EN1563 for fatigue Design?

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How can the joints and fractures act as a passageway for groundwater and hydrocarbon?

Short answer

22 April 2024 665 0 View

Is it possible to use Nicrosil-Nisil thermocouples (Type N/NN) in vacuum&plasma?

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