Results 121 to 130 of about 14,260 (228)

Improvement Marshall Properties of Hot Mix Asphalt Concrete Using Polyphosphoric Acid

open access: yesJournal of Engineering
Modified asphalt is considered one of the alternatives to address the problems of deficiencies in traditional asphalt concrete, as modified asphalt addresses many of the issues that appear on the pavement layers in asphalt concrete, resulting from heavy
Marwa Jawad Badr, Mohammed Qadir Ismael
doaj   +1 more source

Optimization and characterization of asphalts modified with isocyanate modifier

open access: yes
With the increase of traffic volumes, higher axle loads and harsh climate conditions, the paving industry relies on the use of polymer modified asphalts. With the progress of polymer science and technology, new polymer modified asphalt technologies have emerged.
openaire   +1 more source

Study on Rheological Properties and Modification Mechanism of Budun Rock Asphalt/Nano-Silica Composite Modified Asphalt

open access: yes
To enhance the high and low-temperature performance of asphalt materials and extend the service life of asphalt pavement, two types of external admixtures, Butonite rock asphalt, and nano-silica are added to the asphalt.
Zhenxia Li   +6 more
core   +1 more source

Questionify gamification in education

open access: yes, 2018
In the education industry, lecturers are finding ways to improve students’ concentrations and grades by using smart devices to track students’ assignment or tutorial progress.
Mustapha, Aida   +3 more
core  

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