Michael P. Wistuba
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View article: Requirements for the low-temperature cracking resistance of asphalt binders
Requirements for the low-temperature cracking resistance of asphalt binders Open
View article: Resonant Acoustic Spectroscopy for measuring complex modulus of bitumen
Resonant Acoustic Spectroscopy for measuring complex modulus of bitumen Open
View article: Determination of complex Poisson’s ratio of asphalt binders using torsion-tension tests in a dynamic shear rheometer
Determination of complex Poisson’s ratio of asphalt binders using torsion-tension tests in a dynamic shear rheometer Open
A novel test method for measuring the Poisson's ratio of asphalt binders using a Dynamic Shear Rheometer (DSR) equipped with a linear drive is presented. The paper describes the preparation of homogeneous and isotropic cylindrical binder s…
View article: Effects of polyacrylonitrile fibres and high content of RAP on mechanical properties of asphalt mixtures in binder and base layers
Effects of polyacrylonitrile fibres and high content of RAP on mechanical properties of asphalt mixtures in binder and base layers Open
In this present study, the effects of polyacrylonitrile fibres and high content (50%) of Reclaimed Asphalt Pavement (RAP) on the mechanical properties of asphalt mixtures in binder and base layers were studied. This is the first time that …
View article: Bio-Degradable Wax to Modify Asphalt Binder for Warm Mix Asphalt
Bio-Degradable Wax to Modify Asphalt Binder for Warm Mix Asphalt Open
In order to reduce production and compaction temperatures, as well as to increase the resistance to permanent deformation, synthetically refined waxes are commonly used as additives in asphalt pavements. This study focuses on the capabilit…
View article: Analysis of low temperature relaxation properties of asphalt binder and asphalt mastic using a dynamic shear Rheometer
Analysis of low temperature relaxation properties of asphalt binder and asphalt mastic using a dynamic shear Rheometer Open
One predominant type of failure in under-designed asphalt pavements in cold regions is cracking due to low-temperature induced stress.The asphalt binder is the key factor that drives cracking resistance of the asphalt layer.Due to its visc…
View article: Asphalt Binder Testing at Low Temperature: Three-Point Bending Beam Test in Dynamic Shear Rheometer
Asphalt Binder Testing at Low Temperature: Three-Point Bending Beam Test in Dynamic Shear Rheometer Open
A novel Three-Point Bending Beam Test (3-PBT) using a Dynamic Shear Rheometer (DSR) with linear drive motor is introduced for testing asphalt binder at low temperature conditions. This 3-PBT in DSR can be used as surrogate for Bending Beam…
View article: Engineered nanocomposites in asphalt binders
Engineered nanocomposites in asphalt binders Open
Recently, nanotechnology has been effectively used in the field of road pavement. Oxidation and aging of asphalt cause deterioration of road pavements and increase asphalt-related emissions. We propose an anti-aging strategy to interrupt t…
View article: Investigation on the effect of high amount of Re-recycled RAP with Warm mix asphalt (WMA) technology
Investigation on the effect of high amount of Re-recycled RAP with Warm mix asphalt (WMA) technology Open
In this paper, the effect of the combined use of re-recycled Reclaimed Asphalt Pavement (RAP) on the performance properties of Warm Mix Asphalt (WMA) was experimentally investigated at both binder and mixture scales. First, a virgin 50/70 …
View article: Rheological, physicochemical, and microstructural properties of asphalt binder modified by fumed silica nanoparticles
Rheological, physicochemical, and microstructural properties of asphalt binder modified by fumed silica nanoparticles Open
View article: Laboratory and field ageing of SBS modified bitumen: Chemical properties and microstructural characterization
Laboratory and field ageing of SBS modified bitumen: Chemical properties and microstructural characterization Open
Styrene-butadiene-styrene (SBS) modified bitumen is a widely-used civil engineering material with a variety of applications. The properties and durability of bitumen greatly depend on its chemical composition. Due to its organic nature bit…
View article: Effect of Fumed Silica Nanoparticles on Ultraviolet Aging Resistance of Bitumen
Effect of Fumed Silica Nanoparticles on Ultraviolet Aging Resistance of Bitumen Open
In this study, bitumen modified by fumed silica nanoparticles was characterized through dynamic shear rheometer tests, scanning electron microscopy, and Fourier transform infrared spectroscopy. The fumed silica nanoparticles were used in t…
View article: Testing Conditions for Asphalt Binder Testing Using Dynamic Shear Rheometer with 4 mm Diameter Parallel Plate Geometry
Testing Conditions for Asphalt Binder Testing Using Dynamic Shear Rheometer with 4 mm Diameter Parallel Plate Geometry Open
No standard procedure is available for low temperature asphalt binder testing in the Dynamic Shear Rheometer. In this study, an overview is given of the necessary equipment to use the 4 mm geometry for asphalt binder testing including an e…
View article: Dynamic Shear Rheometer Testing of Asphalt Binder using 4 mm parallel plate geometry at low temperature: 2nd Interlaboratory Study including test results of 16 participating laboratories from Austria, Belgium, Czech Republic, France, Germany, Italy, Lithuania, Poland, and Sweden ; Final Report
Dynamic Shear Rheometer Testing of Asphalt Binder using 4 mm parallel plate geometry at low temperature: 2nd Interlaboratory Study including test results of 16 participating laboratories from Austria, Belgium, Czech Republic, France, Germany, Italy, Lithuania, Poland, and Sweden ; Final Report Open
Final Report by Tess Sigwarth, Johannes Buchner and Michael P. Wistuba, Braunschweig Pavement Engineering Centre, Technische Universitat Braunschweig, [...] with contributions from (in alphabetical order) Radek Cerný, Davide Crisa, Ondrej …
View article: Rheological, spectroscopic and microscopic assessment of asphalt binder ageing
Rheological, spectroscopic and microscopic assessment of asphalt binder ageing Open
Asphalt binder ageing leads to significant changes in mechanical and physicochemical properties and often to premature cracking in asphalt pavements. A polymer-modified asphalt binder is repeatedly aged through laboratory techniques, i.e. …
View article: Ultraviolet aging study on bitumen modified by a composite of clay and fumed silica nanoparticles
Ultraviolet aging study on bitumen modified by a composite of clay and fumed silica nanoparticles Open
View article: The Impact of Recycled Concrete Aggregate on the Stiffness, Fatigue, and Low-Temperature Performance of Asphalt Mixtures for Road Construction
The Impact of Recycled Concrete Aggregate on the Stiffness, Fatigue, and Low-Temperature Performance of Asphalt Mixtures for Road Construction Open
The need for road (re)construction materials is constantly growing. At the same time, there is a limited quantity of new, high-quality materials available and a buildup of secondary/recycled construction materials. One possible solution ma…
View article: Development of PU-asphalt : from the concept to the practical implementation
Development of PU-asphalt : from the concept to the practical implementation Open
Permeable pavements provide new opportunities to unseal transportation infrastructure and to improve the urban climate. Because of limited durability, conventional materials for permeable pavements are used only selectively in urban areas.…
View article: Experimental investigation of asphalt mixture containing Linz-Donawitz steel slag
Experimental investigation of asphalt mixture containing Linz-Donawitz steel slag Open
View article: Mechanical Performance of Asphalt Mortar Containing Hydrated Lime and EAFSS at Low and High Temperatures
Mechanical Performance of Asphalt Mortar Containing Hydrated Lime and EAFSS at Low and High Temperatures Open
In this paper, the possibility of improving the global response of asphalt materials for pavement applications through the use of hydrated lime and Electric Arc-Furnace Steel Slag (EAFSS) was investigated. For this purpose, a set of asphal…
View article: Influence of computation algorithm on the accuracy of rut depth measurement
Influence of computation algorithm on the accuracy of rut depth measurement Open
View article: Low temperature rheological properties of asphalt mixtures containing different recycled asphalt materials
Low temperature rheological properties of asphalt mixtures containing different recycled asphalt materials Open
Reclaimed Asphalt Pavement (RAP) and Recycled Asphalt Shingles (RAS) are valuable materials commonly reused in asphalt mixtures due to their economic and environmental benefits. However, the aged binder contained in these materials may neg…
View article: Materials and Infrastructures 1
Materials and Infrastructures 1 Open
The infrastructures of the future will have to be sustainable, seamless, resilient
\nand durable, will respect the principles of circular economy and will have to be easy
\nto monitor and manage. New technologies are currently available or…
View article: Modeling of the Rheological Properties of Asphalt Binder and Asphalt Mortar Containing Recycled Asphalt Material
Modeling of the Rheological Properties of Asphalt Binder and Asphalt Mortar Containing Recycled Asphalt Material Open
View article: CRITICAL ASSESSMENT OF THE LATERAL OFFSET OVERESTIMATION ON RUT DEPTH MEASUREMENT ACCURACY
CRITICAL ASSESSMENT OF THE LATERAL OFFSET OVERESTIMATION ON RUT DEPTH MEASUREMENT ACCURACY Open
Rutting is one of the dominant pavement distresses, and the accuracy of rut depth measurements can substantially impact on the maintenance and rehabilitation (MR as expected, the overestimation increases for larger vehicle wandering. Among…
View article: Comparison of rheological parameters of asphalt binders obtained from bending beam rheometer and dynamic shear rheometer at low temperatures
Comparison of rheological parameters of asphalt binders obtained from bending beam rheometer and dynamic shear rheometer at low temperatures Open
In this paper, an investigation was performed to determine if the complex modulus obtained from frequency sweeps performed with the dynamic shear rheometer (DSR) can be used to accurately predict the creep compliance obtained experimentall…