Results 111 to 120 of about 28,083 (314)
Measurement methods and analysis tools for rail irregularities. A case study for urban tram track [PDF]
, 2015 Rail irregularities, in particular for urban railway infrastructures, are one of the main causes for the generation of noise and vibrations. In addition, repetitive loading may also lead to decay of the structural elements of the rolling stock.
Chiacchiari, Laura, Loprencipe, Giuseppe
core +2 more sources
Performance Evaluation of Carbon Black Nano-Particle Reinforced Asphalt Mixture
Applied Sciences, 2018 Applications of nanotechnology in the pavement industry have increased rapidly during the last decade in order to enhance a pavement’s sustainability and durability.
Javaria Rafi +7 more
doaj +1 more source
Journal of Field Robotics, EarlyView.ABSTRACT This paper presents advanced methodologies for real‐time terrain analysis and mapping in autonomous robotic systems. The focus is on appearance‐based terrain traversability analysis and geometric‐based terrain traceability analysis. In the appearance‐based approach, an enhanced segmentation model using pixel‐based augmentation and 13 unique ...
Semih Beycimen +2 more
wiley +1 more source
Investigation of the Combined Effect of Nano Copper Oxide and Polypro-Pylene Fibers in Asphalt Mixtures to Prevent Rutting [PDF]
پژوهشهای زیرساختهای عمرانیRutting is one of the most common failures in asphalt pavements, typically caused by inadequate compaction, loss of materials, or insufficient shear resistance of the asphalt mixture.
Reza Jalalkamali +2 more
doaj +1 more source
Economic Effects of Lifting the Spring Load Restriction Policy in Minnesota [PDF]
Spring load restrictions (SLR) regulate the weight per axle carried by heavy trucks during the spring thaw period. This policy aims to reduce pavement damage caused by heavy vehicles and extend the useful life of roads, but it also imposes costs on the ...
Brian Smalkoski, David Levinson, Ning Li
core
Evaluation of Poisson’s Ratio of Asphalt Concrete [PDF]
, 2016 Poisson´s ratio can be defined as the negative ratio of strains perpendicular to the load direction to the strains parallel to the loading direction. If elastic or viscoelastic models are used, Poisson´s ratio, together with elastic modulus, is a main ...
Camarena, Elvis Alexander Castillo
core +2 more sources
Journal of Field Robotics, EarlyView.ABSTRACT Personal autonomous vehicles can sense their surrounding environment, plan their route, and drive with little or no involvement of human drivers. Despite the latest technological advancements and the hopeful announcements made by leading entrepreneurs, to date no personal vehicle is approved for road circulation in a “fully” or “semi ...
Xingshuai Dong +13 more
wiley +1 more source
Ontologies for Sustainability: Theoretical Challenges
Sustainable Development, EarlyView.ABSTRACT The lack of sustainable practices in key sectors of human societies is a global concern, posing threats for the whole planet. This paper provides the first review of ontologies for sustainability efforts, outlining their roles in assessing and advancing such efforts. Section 2 outlines three major challenges associated with sustainability: (1)
Giorgio A. Ubbiali +2 more
wiley +1 more source
, 2017 During the time of the Judges, Elimelech, Naomi and her children depart from Bethlehem to Moab because of a famine. There Elimelech dies and his sons marry two Moabites, Orpha and Ruth. Years later also the children die and Naomi decides to return to her land. On the return trip, Ruth, who refuses to leave Naomi, accompanies her.
openaire +1 more source
Sleep Research, EarlyView.Abstract Objective To assess the association between obstructive sleep apnea (OSA) risk levels and major cardiovascular disease (CVD) subtypes in individuals with metabolic dysfunction‐associated fatty liver disease (MAFLD). Methods This cohort study included 128,022 MAFLD participants from the UK Biobank without CVD at baseline.
Haizhen Chen +4 more
wiley +1 more source