Results 131 to 140 of about 6,017,220 (257)
Hot mix asphalt tender zone [PDF]
Approximately 500 million tons of hot mix asphalt (HMA) are placed in the United States each year. With this large quantity of HMA, it is expected that some construction problems will occur from time to time. One problem that has been observed for years,
Decker, Dale +3 more
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Laboratory performance of asphalt rubber mixtures [PDF]
Asphalt rubber mixtures are one of the most promising techniques to extend the service life of asphalt pavement overlays. Asphalt rubber binder is composed of crumb rubber from reclaimed tires and conventional asphalt.
Trichês, Glicério +4 more
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Material Characterization of Lignin‐Filled Polypropylene Composites
Ground and spray‐dried lignin powders are compared as fillers for polypropylene composites. Differences in powder preparation methods are associated with differences in powder characteristics and composite behavior after melt compounding. Spray‐dried lignin produces smaller particles and fewer large agglomerates, while a 5 wt% lignin loading provides a
Sungjun Hwang +3 more
wiley +1 more source
Crumb rubber modification for enhanced rutting resistance in asphalt mixtures
This study investigated the performance of rubberized asphalt mixtures through Marshall and wheel track tests. The optimal binder content for rubberized asphalt specimens containing 6 and 8% rubber was determined to be 4.9 and 5%, respectively, while the
Khadim Hawraa Mohammed +1 more
doaj +1 more source
Asphalt fume exposures during the manufacture of asphalt roofing products: current practices for reducing exposures [PDF]
"This document represents a collaborative effort of the National Institute for Occupational Safety and Health (NIOSH), the National Roofing Contractors Association (NRCA), the Asphalt Roofing Manufacturers' Association (ARMA), the Asphalt Institute (AI),
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This work explores the use of various fillers, including eggshell powder, feather meal, peanut hulls, and sawdust to reinforce a base binder GFS90 (comprised of 90 wt.% sulfur, 5 wt.% chicken fat, and 5 wt.% sunflower oil). The resulting composites showed impressive compressive strengths ranging from 15.3 to 36.2 MPa, making them a potential ...
Bárbara G. S. Guinati +5 more
wiley +1 more source
Distributed optical fiber sensing (DOFS) is reviewed as a transformative technology for intelligent monitoring of transportation infrastructures. Advances in sensing fibers, cable design, and data analytics are summarized alongside representative field applications.
Xin Gui +11 more
wiley +1 more source
Evaluation of Permanent Deformation of Asphalt Mixtures Using Loaded Wheel Tester [PDF]
A majority of states in the U.S. had adopted the Superpave volumetric mix design system in the year 2000. However, this system does not have a standard mechanical test to evaluate the potential for permanent deformation (rutting) of the designed asphalt ...
Auburn University. National Center for Asphalt Technology +2 more
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Laboratory Performance Evaluation of CIR-Emulsion and it Comparison Against CIR-Form Test Result from Phase II, Final Report TR-578 Phase III, December 2009 [PDF]
Currently, no standard mix design procedure is available for CIR-emulsion in Iowa. The CIR-foam mix design process developed during the previous phase is applied for CIR-emulsion mixtures with varying emulsified asphalt contents.
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Mixed‐level orthogonal experiments and SCB‐DIC testing were conducted to evaluate the effects of six production parameters on the anti‐cracking performance of plant‐mixed hot recycled asphalt mixtures. Cracking evolution was characterized using FI, CIE, and ECR.
Kai Li +3 more
wiley +1 more source

