ASTM method for bitumen grade 60/70?

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How to increase ductility of bitumen?

What's the optimum amount of sulfur or polyphosphoric acid that could add to bitumen for increase ductility without negative influence on viscosity and other parameters?

11 January 2021 985 4 View

Estimating sediment in oil?

What is the thimble in estimating sediment of oils?

03 January 2021 4,379 1 View

How to increase ductility of bitumen?

What's the optimum amount of sulfur or polyphosphoric acid that could add to bitumen for increase ductility without negative influence on viscosity and other parameters?

11 January 2021 985 4 View

Why isn't the response surface method frequently used in asphalt tests like 4PBT/SCB?

I want to use Box-Behnken design (BBd) For reducing my tests.(4PBT/SCB/ITS/ITSM)

21 October 2020 9,071 1 View

What are the possible reasons for very low rutting resistance of high content RAP asphalt mixtures?

The 100% RAP mixtures designed to target AC-11 grading curve were produced at ~5.5% design binder content with ~5% rejuvenator in RAP bitumen. The mixtures show poor rutting resistance in wheel...

18 September 2020 1,684 4 View

Is it possible to used bitumen as a base material in AGS SBR process for treatment of wastewater?

Today we see a lot of researched properties of bitumen as material for various engineering application, I am interested in formulating bitumen as a cheap & easily accessible material for...

10 November 2019 5,517 3 View

How to use fragments of bituminous road ?

During repairing or removal of bituminous roads large fragments of bituminous road are generated as waste. How to use them? Can we extract bitumen and aggregates from them.

10 November 2019 3,810 2 View

Is N2 Gas supply during recovery of bitumen in Rotavapour is necessary, if yes, why ?

In extraction and recovery process of RAP recovered binder, N2 Gas is continuously supplied to the solution of solvent and binder during recovery. The rate of supply is 500 ml per minute. The...

07 August 2019 4,476 0 View

Needle coke made of gilsonite?

Hello Anyone knows how to product needle coke (graphite electrode used in arc furnaces) from gilsonite (natural bitumen or natural pitch)?

17 December 2018 7,409 1 View

What is reason of good adhesion results of aged bitumen as compared to unaged bitumen?

Results of adhesion test with aged bitumen are good than results of adhesion tests with aged bitumen.

11 December 2018 8,525 9 View

Which additives are most effective to blend plastomer in bitumen?

Plastomer are poor solubility in bitumen.

10 November 2018 8,403 0 View

What is the clear cut difference between a polymer, surfactant, additive, emulsifier, and a stabiliser?

I want to know the differences in use of the above terms especially, in polymer modified emulsified asphalt micro surfacing mixtures. what is the most effective means of adding polymers to...

10 November 2018 8,775 0 View