Results 71 to 80 of about 69,329 (233)

Fatigue life of hot mix asphalt mixtures [PDF]

open access: yes, 2011
Fatigue cracking is one of the major types of distress in asphalt concrete pavements. Under the action of repeated vehicular loading, the asphalt concrete deteriorates and eventually results in fatigue cracking.
Abdulridha, Ammar Ali
core  

Why Autonomous Vehicles Are Not Ready Yet: A Multi‐Disciplinary Review of Problems, Attempted Solutions, and Future Directions

open access: yesJournal 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

Preparation and Performance Study of Asphalt Modified by Polyphosphoric Acid/Desulfurized Crumb Rubber

open access: yesZhongwai Gonglu
To improve the comprehensive performance of desulfurized rubber asphalt, the asphalt was modified by using desulfurized crumb rubber and polyphosphoric acid.
YUAN Jianbo   +3 more
doaj   +1 more source

Asphalt Binder Laboratory Short-Term Aging [PDF]

open access: yes, 2019
The Rolling Thin Film Oven (RTFO) is widely used to simulate asphalt binder short-term aging. However, there is a general interest to improve the current short-term aging protocol especially for reducing the aging time.
Haghshenas, Hamzeh, Rea, Robert C.
core   +1 more source

Rheological properties of nanoclay as new nanotechnology of apshalt concrete: review [PDF]

open access: yes, 2016
This paper aim to review literature of applies nanoclay to asphalt in order to improve asphalt concrete pavement. Nowadays, nanotechnology is one of a new creation that has been applied in most area.
Norhidayah, A. H.   +2 more
core  

EAACI Guidelines on the Importance of Green Space in Urban Environments for Allergy and Asthma Prevention

open access: yesAllergy, EarlyView.
ABSTRACT The allergy and asthma epidemic in urban societies following World War II is mostly caused by changes in the environment, diet and lifestyle. Disconnection of urban populations from the wider environment has reduced the protective factors building up immunological resilience.
Tari Haahtela   +21 more
wiley   +1 more source

Ketahanan Deformasi Campuran Beraspal Modifikasi Polimer Hangat Dengan Bahan Aditif Zeolit Alam [PDF]

open access: yes, 2015
Polymer modified asphalt mixture can be developed using warm mix technology by adding the mixture using synthetic or natural additives. This mixture can increase the deformation resistance with lower temperature in the process of mixing and compaction ...
Handayani, A. T. (Ani)   +2 more
core  

Repeated injection of pooled frozen allogeneic umbilical cord blood mesenchymal stromal cells in 5 flat‐racing horses

open access: yesEquine Veterinary Education, EarlyView.
Summary Background Tendinopathies in racehorses are challenging to treat, and restoring normal tendon composition remains elusive despite extensive research. Equine multipotent mesenchymal stromal cells (MSC) have shown promise for tendon repair, and various sources of MSC have been described.
A. Merchan Muñoz   +7 more
wiley   +1 more source

Investigation on the low temperature rheological properties of polymer modified asphalt

open access: yesJournal of Traffic and Transportation Engineering (English ed. Online)
Traditional pavement is prone to cracks, and other distresses in cold regions. In this case, asphalt modification is a common technique used to improve the performance of asphalt.
Zhen Fu   +6 more
doaj   +1 more source

Effect of Material Composition on Cohesion Characteristics of Styrene-Butadiene-Styrene-Modified Asphalt Using Surface Free Energy

open access: yesAdvances in Materials Science and Engineering, 2017
Styrene-butadiene-styrene- (SBS-) modified asphalts were prepared by mixing different base asphalts, SBS modifier, extracting oil, and stabilizing agents.
Xing-jun Zhang   +5 more
doaj   +1 more source

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