Document Type : Research Paper

Author

Anbar University - College of Science

10.37652/juaps.2010.15393

Abstract

The present study contained performingMutual Chemical and PhysicalModification of
(-Abo aljear) Nutral Asphalt by using Iraqi material on the forme west toachieve tow
Modification Asphalt and to refine environment because it poisoning materials The
Modification in this Study includes two Routes:- 1 – The Physical rout :- Add both
materials phosphogysum ( Pg.) and cement kiln dust ( KCD ) to Natural Asphalt after
refining it to form water. The percent of blend (10% ,20% , 30% ,40% wt ) in pores size
75μm . and measure Rheological traits wich include ( Penteration , Softening ) it has
given identical results the Optimization percentage is ( 40% Pg. & CKD ). And we make
hot measurement which includes ( Flash point , Fire point, ) it has given good result
specially by using rathio 40% for both material .in blend Temperature 90 .
2 –The Chemical Route :- perfoming four chlorination processes on natural asphalt
the time of calorination( 0.5 hr , 1 hr, 1.5 hr , 2 hr) by uses Fe2O3 as acatalyst after add
material (Pg. ,CKD ).in the same Blends percentage and mesurment Rheology&thermal
properties. The good result it in 1.5 hr colorenation in 40% of material add. The
Spectroscopy study of the samples by using infrared chlorine gas besides addition both
materials add. The light were identical to previous studies .and the microscopey study
for floor samples.the pictures have shown the existence of similiarity and good atomic
distribution to for floor asphalt .Generally this study has excellent results in
modification natural asphalt ( Hiet-Abo aljear ) and the capability of its using in stead

Main Subjects

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