Velusamy Gobinath

11 Questions 46 Answers 0 Followers

Questions related from Velusamy Gobinath

How to measure surface roughness of sand?

mention the instrument and methods used to measure the surface roughness of the sand and sand submerged in the water i.e wet sand.

02 September 2017 5,205 4 View

Does 3D optical surface profiler will work on the wet sand sample?

we tried to get the surface profile of the untreated sand sample and bacteria treated sand with biopolymers on the surface of the sample in wet condition. we used 3D OSP for this purpose. we got...

02 September 2017 2,470 4 View

What is the major difference between river/stream bed erosion and general soil erosion?

Dear respondents, I request you to list some major factors or phenomenal difference between Stream bed erosion and soil erosion.

30 August 2017 5,367 4 View

Does Shear strength of soil under compressive and tensile loading same?

Soil Shear failure may take place under compression or tensile load.For the same soil, similar sample conditions. Does the shear strength of soil same under any given condition? Explain.

28 August 2017 1,022 13 View

Is NC clay cohesive?

CU(consolidate Undrained) test on normally consolidate soil shows c=0, can Unconfined compressive (UCC) test after consolidation be possible in the similar NC clayey soil sample? consider...

16 August 2017 7,746 7 View

How to find energy required to move sand particle?

want to find the energy required by the water flow to initiate sand particle movement in the bed of sand. consider sandy soil was was eroded by water. kindly give some suggestions / literature.

09 August 2017 8,396 4 View

How to improve erosion resistance of sand in stream bed/ river bed ?

It is an stream bed erosion, due to erosive action of water flow sand present in the bottom of stream gets eroded. for this condition suggest ways to improve the erosion resistance of sandy soil.

07 August 2017 1,760 6 View

Suggest how to model mathematically the sand particle movement under the influence of water flow?

I want to model the sand erosion. specifically particle movement in the sand bed under the influence of flowing water. suggest some model if already present.

03 August 2017 3,231 2 View

How to find depth averaged flow velocity in water flow?

give the method or formula to find the depth -averaged water flow velocity in a rectangular open channel.

01 August 2017 7,502 1 View

How to prove particle binding / particle aggregation/ cementation in sand? Techniques?

I want to show the particle binding between the sand particles. which technique is effective ?(ex. SEM, CT scan)

01 August 2017 7,921 6 View

How to find the Shields curve (critical bed shear stress) for uniform cohesive sand/cemented sand/microbially treated sand sediment bed?

Dear respondent, Procedure for finding Shields curve for pure sand sediments are available like Van Rijn formula. but for the case of cohesive sand/cemented sand this procedure can not be...

13 May 2017 538 1 View