what is the typical dosage of SASOBIT to be added to asphalt concrete mixture for preparing WMA
SASOBIT melting point of about 100 degrees Celsius.The use of this material in the asphalt mix viscosity decreases, causing the temperature of the asphalt making and implementation.This reduces gas emissions from asphalt emissions as well as fuel and energy saving.
According to the company offering the optimal use of these additives in the mix, about 3% by weight of bitumen.
The ability to reduce the viscosity of bitumen by SASOBIT , when the process of production and implementation, reduce the temperature of 54-18 degrees Celsius is. SASOBIT at a temperature below its melting point, forming a crystal lattice that can add strength and stability of bitumen.
Dear Sir,
pl check these articles.
http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0116180
http://www.arpapress.com/volumes/vol6issue4/ijrras_6_4_04.pdf
http://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1011&context=civilengdiss
http://www.warmmixasphalt.org/submissions/11_20071127_evaluation_of_sasobit.pdf
https://www.ideals.illinois.edu/bitstream/handle/2142/24371/hill_brian.pdf?sequence=1
http://www.iosrjournals.org/iosr-jmce/papers/vol9-issue1/C0911622.pdf?id=7603
http://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=3898&context=etd
https://fka.uitm.edu.my/v1/images/Journal_JSCe/v1n1/paper%203.pdf
http://www.iosrjen.org/Papers/vol6_issue2%20(part-2)/I06224458.pdf
Some papers, however, recommend 2% by weight of asphalt cement.
You can see the conclusions of: http://ascelibrary.org/doi/abs/10.1061/%28ASCE%29MT.1943-5533.0001996
SASOBIT is added at a rate of 0.8 to 3.0% by weight of the asphalt binder
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