Ashok Shaw

7 Questions 7 Answers 0 Followers

Questions related from Ashok Shaw

What is the alternative method to centrifugation to remove acid residues from sediments during carbonate removal process?

I am removing carbonates from clay and sand samples. So, I treat the sediments with H2O2. I need to wash the sediments to remove acid residues. I am thinking of heating the sediments with...

12 December 2019 2,808 6 View

What are the applications of Compression Index (Cc) in Geotechnical Engineering & Hydrogeology?

I have calculated Compression Index of the subsurface soils. I would like to know the role of Compression index in Geotechnical & Geological sciences. Is there any range of the Cc values to make...

02 February 2019 5,340 3 View

How to correct Fe from the XRF data obtained due to fusion of sample (LOI method) ?

Clay samples are heated at 950 degree centigrade (LOI method) before XRF analysis. Due to which Fe percentage increases in the XRF results. It is due to the oxidation of samples during fusion. Is...

12 December 2018 968 5 View

How to obtain Clay % from Fine content (silt+clay) % using empirical formula?

Dear all, I have calculated Fine content (Silt+Clay), Liquid Limit, Plastic Limit, Plasticity Index, Mean grain size, SPT value for soil samples. I need to obtain Clay % for my study. Kindly...

01 January 2018 5,675 9 View

Applicability of Liquid Limit, Plastic limit, Plasticity Index, SPT, Fine contents in geotechnical engineering (urban development)?

I have calculated Liquid Limit, Plastic Limit, Soil type, SPT and Fine Contents.How can it be applied in urban development especially making some zonal maps, risk factors, bearing capacity,...

01 January 2018 6,783 12 View

How to classify Paleosol according to Soil Taxonomy, Soil Survey Staff, 1975 ?

Dear all, I have collected soil samples up to a depth of 50m from surface during drilling. I need to interpret alternate cycles of dry and wet climate on the basis of soil types. What are the...

11 November 2017 5,013 6 View

What are the best indicative minerals for Provenance & Paleoclimatic interpretation in modern fluvial unconsolidated sediments?

Dear all, I have done XRD analyses of modern fluvial unconsolidated sediments (soil- clay, silt and sand) to identify the mineralogy and their proportions. I require to select the best minerals...

11 November 2017 7,862 8 View