نتایج جستجو برای: polymeric modified bitumen

تعداد نتایج: 274921  

2012
C. van Thriel R. Marchan

Recently, the Human Bitumen Study has been finished (Schlüter, 2011). Including 500 workers from more than 80 construction sites it represents the world-wide largest study on adverse health effects caused by bitumen. The study answers a question that has been controversially discussed since decades: Bitumen exposed workers do not show higher levels of DNA damage than unexposed individuals. On t...

Journal: :Mehran University Research Journal of Engineering and Technology 2023

Exponential deterioration in pavement caused by heavy loads, temperature variations, and rainfall had led to failure. To overcome those failures, bitumen properties needed be enhanced an economical sustainable way. Researchers have used various modifiers enhance the of virgin bitumen, but end product still does not seem accepted asphalt industry at required level. On other hand, construction co...

Journal: :Journal of Nepal Chemical Society 2017

Journal: :Chemistry and Chemical Technology 2021

The possibility of modification BND 60/90 bitumen produced at JSC Ukrtatnafta (Kremenchuk, Ukraine) with maleic anhydride has been considered. effect amount, process time and temperature on the operating characteristics modified studied.

Journal: :Proceedings of the Institution of Civil Engineers - Transport 2010

Journal: :Teknik Dergi 2022

The effectiveness of natural Gilsonite on the performance properties modified bitumens was studied. Three samples having different ratios that are 6%, 8% and 10% by weight base bitumen which PG 64-16 grade were prepared. physical storage stabilities four investigated means conventional tests. short-term long-term aging processes conducted with rolling thin oven pressure vessel tests, respective...

Journal: :Journal of Engineering Science 2022

The aim of this research is to evaluate the rheological properties industrial waste modified bitumen. varying proportion polypropylene ranging from 0% 20% weight bitumen at 5% interval with 60/70 penetration grade was used. asphalt binder modification prepared by using high-speed mixer temperature 150 °C 190 °C. conventional test like softening point, penetration, ductility, flash and fire poin...

Journal: :Bulletin of Kharkov National Automobile and Highway University 2018

Journal: :DEStech Transactions on Environment, Energy and Earth Science 2017

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