نتایج جستجو برای: stone matrix asphalt
تعداد نتایج: 395887 فیلتر نتایج به سال:
The objective of this study is to evaluate the rheological properties and chemical bonding of nano-modified asphalt binders blended with nanosilica. In this study, the nanosilica was added to the control asphalt at contents of 4% and 6% based on the weight of asphalt binders. Superpave binder and mixture tests were utilized in this study to estimate the characteristics of the nano-modifed aspha...
This research intends to evaluate the effects of waste polyethylene terephthalate (PET), antistripping agents (ASA), and ground tire rubber (GTR) on performance properties stone matrix asphalt (SMA) mix binder/water damage resistance. Liquid agents, added 85/100 penetration grade binder ASA effects, were A (M500), B (EvothermM1), C (LOF-6500). Tests conducted study modified bitumen’s rheologica...
Work in the asphalt industry has been associated with nonmalignant respiratory morbidity and mortality, but the evidence is not consistent. A historical cohort of asphalt workers included 58,862 men (911,209 person-years) first employed between 1913 and 1999 in companies applying and mixing asphalt in Denmark, Finland, France, Germany, Israel, the Netherlands, and Norway. The relations between ...
The degradation of bituminous materials as a result ageing has significant effect on asphalt pavement performance. In this study, one porous (PA) section and stone mastic (SMA) were designed constructed in 2014 exposed to the actual environmental condition. To study change pavement’s mechanical properties, cores collected from both test sections annually. stiffness modulus was determined via cy...
Rutting is one of the most common distresses in early damage to asphalt pavements. It can raise risk ride safety issues, accelerate pavement deterioration, and increase maintenance costs. To investigate factors that affect rutting resistance mixtures, internal (such as aggregate gradation, content, layer thickness), external (including temperature traffic loading), human compaction degree) were...
Asphalt concrete is a heterogeneous material composed of aggregates, binder cement, and air voids, and may be described as a cemented particulate system. The load carrying behavior of such a material is strongly related to the local load transfer between aggregate particles, and this is taken as the microstructural response. Simulation of this material behavior was accomplished using a finite e...
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