This Special Issue is dedicated to the modification of asphalt binders using certain additives as nanomaterials or special modifiers enhance performance and durability, seen through improved resistance ageing caused by climatic conditions, concrete forming core layers flexible pavements [...]

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...

Abstract Aggregate dispersion is one of the main diseases porous asphalt. Reasonable material composition can effectively reduce occurrence disease. In order to study how determine volume index and mechanical properties mixture from five aspects asphalt, asphalt oil film thickness, coarse aggregate, fiber filler, this paper selects different kinds materials additions, based on benchmark mix rat...

Implication of mineral additives into the asphalt concrete mixture can influence viscoelastic behavior; change density, gradation, and strength properties. In present investigation, fly ash silica fumes were added to mixture. Slab samples compacted with aid laboratory roller, then beam specimens sawed from slab samples. The subjected repeated flexural stresses through four-points bending test a...

Warm mix asphalt (WMA) has been gaining increasing popularity in recent years due to energy savings and environmental benefits. The mechanism of WMA is to use some additives or technologies to reduce the viscosity of bitumen and to modify the rheological behavior of bituminous binders, and thus improve the workability of the mixture at lower temperature. In this study a paraffin wax based addit...

Basic oxygen furnace slag (BOF) is widely used in road construction, but there is a lack of characteristics in different asphalt mixtures. This study investigates the properties of hot-mixed asphalt (HMA), containing stone mastic asphalt (SMA), porous asphalt (PA), and dense-graded BOF as a partial substitution for natural aggregates. The purpose of this study is to evaluate various BOF slag co...