Results 121 to 130 of about 1,628,964 (198)

Preparation process and properties of polyurethane/phosphogypsum-modified asphalt and its mixtures.

PLoS ONE
The preparation process parameters and composition of polyurethane/phosphogypsum-modified asphalt were studied to achieve comprehensive utilization of phosphogypsum and reduce asphalt pavement costs while ensuring performance compliance.
Jinshun Xue, Yu Yang, Junfeng Li, Wei Zhao, Yuanyuan Wang   +4 more
doaj   +1 more source

Questionify gamification in education [PDF]

, 2018
In the education industry, lecturers are finding ways to improve students’ concentrations and grades by using smart devices to track students’ assignment or tutorial progress.
Mustapha, Aida, Che Abdul Rani, Mohamad Firdaus, Kasinathan, Vinothini, Fauzi, Rahmat   +3 more
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Alabama warm mix asphalt field study : final report. [PDF]

The Alabama Department of Transportation hosted a warm mix asphalt field demonstration in August 2007. The warm mix asphalt technology demonstrated was Evotherm Dispersed Asphalt Technology. The WMA and hot mix asphalt produced for the demonstration were
de Fortier Smit, Andre, Kvasnak, Andrea, National Center for Asphalt Technology (U.S.), Prowell, Brian, Hurley, Graham, Kim, Jaeseung   +5 more
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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, Lord, Byron, Brown, Elton R., Newcomb, Dave   +3 more
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Crumb Rubber Modified Asphalt Concrete for Low Noise Surfaces

, 2012
The principal advantage of introducing some percentages of crumb rubber in production of asphalt mixtures is related to pavement environmental sustainability, since this process allows to recycle a significant amount of an industrial waste and, in some ...
LEANDRI, PIETRO, LOSA, MASSIMO, Rocchio P.   +2 more
core  

Research Progress on Bio-Based Polyurethane-Modified Asphalt Technology. [PDF]

Molecules
Yang Y, Zhang X, Liu H, Bie S, Li J, Zhang Z, Qiao X, Ma J.   +7 more
europepmc   +1 more source

Physical properties of SBS-modified asphalt.

This research was based on a nano-AAT (American Advanced Technology)-modified asphalt to which CRP (crumb rubber powder), a rubber waste, was introduced to explore the influence of CRP on AAT performance.
Lu Sun (194355), Ziwei Xiao (2495200), Wenqing Zhong (806657), Hui Qi (460415)   +3 more
core   +1 more source

Performance of ASA Polymer-Modified Asphalt Mixtures Under Aging Conditions. [PDF]

Polymers (Basel)
Gallouz KS, Ali SIA, Abubakar AB, Khairuddin FH, Bilema M, Khalifa NA, Alas M.   +6 more
europepmc   +1 more source

Mixing Workability of Polymer-Modified Asphalt Mixtures Based on Discrete Element Modeling. [PDF]

Polymers (Basel)
Lin Y, Li S, Huang J, Jiang Z.
europepmc   +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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