Anush K Chandrappa

7 Questions 20 Answers 0 Followers

Questions related from Anush K Chandrappa

How are bitumen stabilized materials (BSMs) compacted in European countries?

There is lot of research going on for harmonization of procedures for preparation of BSMs specimens. Few European countries use slotted mold for the preparation of BSM specimens. Won't the water...

23 July 2017 7,553 7 View

What is the normally accepted probability threshold to differentiate artefacts and real defects?

In X-ray computed tomography, the defects come with probability value attached with them. Is there any particular cutoff value of probability to differentiate between real defects and artefacts?

20 August 2016 2,030 4 View

What kind of forces are provided by non-ionic surfactants in asphalt emulsions to maintain the stability?

In anionic and cationic asphalt emulsions, the stability is mainly achieved by the electrical replusions provided by the charged surfactants. In non-ionic asphalt emulsions, what kind of forces...

16 July 2016 6,534 3 View

Why does the model change in Artificial neural network (ANN) after every single run?

I am trying to run an ANN model using IBM SPSS. After every run I observe that architecture of the network and hence the synaptic weights change. May I know what is the probable reason for this or...

16 April 2016 3,264 9 View

In HDM-4, why absolute type of predictive models are used for concrete pavements and incremental type of models are used for flexible pavements?

As pavement starts serving traffic, the distresses propagate in pavements be it concrete or flexible pavements. The distresses increase progressively with time. But in HDM-4, incremental type of...

21 March 2016 6,428 1 View

Are there any possible ways of calculating tortuosity in porous materials using image analysis?

I have sections of porous material which is cut along the axis diametrically. How can we calculate tortuosity using the images of these cut sections? The size of the pores, pore distribution in...

15 March 2016 4,400 4 View

What are the possible applications of ultrasonic waves in porous materials?

I need to know what is the appropriate frequency range of ultrasound transducers to study porous materials with porosity between 15 and 30%.

15 March 2016 8,087 3 View