Results 111 to 120 of about 69,329 (233)

Restoration of Fricitonal Characteristics on Older Portland Cement Concrete Pavement:Final Report for Iowa Highway Research Board Project HR-224, June 1986 [PDF]

, 1986
Safety i s a very important aspect o f the highway program. The Iowa DOT initiated an inventory o f the friction values of all paved primary roadways i n 1969. This inventory, with an ASTM E-274 test unit, has continued to the present time. The t e s t i

core  

Ultrasonic-assisted preparation of SBS modified asphalt: Cavitation bubble numerical simulation and rheological properties

Ultrasonics Sonochemistry
SBS (styrene–butadiene–styrene block copolymer) is currently the most widely used asphalt modifier, and SBS modified asphalt is usually prepared by high-speed shearing.
Ruien Yu, Gang Fu, Xiaohan Li, Xuanye Xi, Xiaowen Chen, Leilei Chen, Xiaoyan Zhang, Xijing Zhu   +7 more
doaj   +1 more source

Estimating the fatigue law of asphalt mixtures using a strain sweep test (EBADE test) [PDF]

, 2013
Fatigue characterization of asphalt mixtures is a very important issue. However, existing techniques to that end are expensive and time consuming. For that reason the asphalt technicians have been studying several different methods to reduce the testing ...
Botella Nieto, Ramón, Martínez Reguero, Adriana Haydée, Miró Recasens, José Rodrigo, Pérez Jiménez, Félix Edmundo   +3 more
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Physical, rheological and microscopic properties of AAT nanomaterial/crumb rubber powder composite-modified asphalt and SBS-modified asphalt.

PLoS ONE
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, Wenqing Zhong, Ziwei Xiao, Hui Qi   +3 more
doaj   +1 more source

Develop Guidelines for Pavement Preservation Treatments and for Building a Pavement Preservation Program Platform for Alaska [PDF]

, 2012
INE/AUTC 12 ...
Cheng, DingXin, Hicks, Gary, Liu, Jenny, Mullins, Tony, Zubeck, Hannele   +4 more
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Evaluation of hot mix asphalt(HMA) properties compacted at various temperatures [PDF]

, 2005
Hot mix asphalt (HMA) mixture compacted at various temperature has always been a concern to researcher. Compaction below the standard compaction temperature may bring reverse effect on HMA properties.
Silas Tirau, Larry
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Natural Asphalt: A Novel Bitumen Modifier and Asphalt Filler

Natural asphalt is a highly valuable material with diverse uses that humans have been utilizing for centuries. Its beneficial qualities, environmental friendliness compared to synthetic alternatives, versatility, and cost-effectiveness contribute to its overall importance as a valuable natural material.
Mohammad Soleiman-Beigi, Homa Kohzadi, Saeed Toolabi   +2 more
openaire   +1 more source

Asphalt Cement Containing AC-13, HR-522, Final Report, 1988 [PDF]

, 1988
Stopping and turning maneuvers on high traffic volume asphalt cement concrete surfaced roads and streets often cause distortion of the pavement. Distortion may show up as excessive rutting in the wheel path, shoving of the pavement and/or rippling of

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Study of a hot asphalt mixture response based on energy concepts [PDF]

, 2011
The main objective of the research reported in this paper is to determine the response of a hot mix asphalt (HMA) in terms of both the tensile strength and energy parameters (based on the assessment of the force-displacement curve) as potential tools for
Alvarez Lugo, Allex E., Botella Nieto, Ramón, Reyes Ortiz, Oscar Javier   +2 more
core   +3 more sources

Performance of rubber-modified asphalt for ultra-thin overlay

Hecheng xiangjiao gongye
　In order to investigate the applicability of rubber-modified asphalt in ultra-thin overlay and to clarify the differences in road performance of different rubber- modified asphalts, the evaluation of the temperature sensitivity, and high- and low ...
WANG He-ping1, ZHANG Li2, LUAN Yang3, WANG Xiao-sen3, MENG Hui-lin3
doaj   +1 more source