Results 131 to 140 of about 9,355,301 (309)

Evaluation of permanent deformation models for unbound granular materials using accelerated pavement tests

open access: yes, 2013
Mechanistic-empirical (M-E) pavement design methods have become the focus of modern pavement design procedure. One of the main distresses that M-E design methods attempt to control is permanent deformation (rutting).
Erlingsson, Sigurdur   +2 more
core   +1 more source

A proposed framework for asphaltic concrete pavement design for tropical soils – case study of Ghana [PDF]

open access: yes, 2012
Fundamental differences exist in soil types formed under temperate and tropical climatic conditions. Consequently, their use for road pavement design will require different approaches and standards.
Koranteng-Yorke, John Bernard
core   +2 more sources

Self‐Powered, Ultra‐Sensitive InGaAs/ITO Nanowire Radial Junction Infrared Photodiode for Low Flux Imaging at Room Temperature

open access: yesAdvanced Functional Materials, EarlyView.
This study reports a self‐powered InGaAs nanowire photodetector achieving single‐photon‐level sensitivity in the shortwave infrared at non‐cryogenic temperatures. The device demonstrates high‐speed imaging capabilities even under extremely low‐flux conditions.
Kosala Dhanawansha   +10 more
wiley   +1 more source

Investigation of a pavement structural behaviour during spring thaw using falling weight deflectometer

open access: yes, 2013
The response of an instrumented flexible pavement structure in southern Sweden, subjected to seasonal freezethaw cycles, was investigated during the spring thaw and the recovery periods in 2010.
Erlingsson, Sigurdur   +2 more
core   +1 more source

A Miniaturized Autonomous Thermomagnetic Generator

open access: yesAdvanced Functional Materials, EarlyView.
Micro, autonomous and high power thermomagnetic generator operating between a heat dissipator and a processor. ABSTRACT Thermomagnetic generators (TMG) are promising devices for converting low‐grade waste heat into electricity. Self‐actuation using permanent magnets is the key to autonomy.
Morgan Almanza   +11 more
wiley   +1 more source

The Use of GPS-Based Distress Mapping to Improve Pavement Management

open access: yes, 2015
Utilizing recent inspection data of portland cement concrete (PCC) pavements at airports and military installations in the United States and Canada, the enhancement of long-term pavement management through Global Positioning Satellite (GPS)-based ...
Long, Genevieve   +2 more
core  

Advancing Human Skin Equivalents: The Crucial Role of Neurovascular Integration

open access: yesAdvanced Healthcare Materials, EarlyView.
This review discusses the importance of integrating vascular and peripheral nerve systems into human skin equivalents (HSEs) to better recapitulate native skin physiology. Recent advances in vascularized, innervated, and neurovascularized HSEs are highlighted, together with emerging bioengineering strategies, current challenges, and future ...
Hao Wu   +4 more
wiley   +1 more source

International case studies in support of successful applications of accelerated pavement testing in pavement engineering

open access: yes, 2012
Accelerated Pavement Testing (APT) offers a unique proven methodology to investigate performance of different material and pavement structures under various conditions.
Kim, R.Y. (author)   +4 more
core   +1 more source

Evidence for Itinerant Ferromagnetic Flat Bands Producing Large Transverse Responses

open access: yesAdvanced Materials, EarlyView.
Itinerant ferromagnetic flat bands are demonstrated in GdCo5 with a high Curie temperature of 940K, a stacked honeycomb–kagome lattice, through angle‐resolved photoemission spectroscopy and magneto‐thermoelectric measurements. These topological flat bands generate large Berry curvaturte, producing gigantic anomalous Nernst effect with record‐high ...
Susumu Minami   +15 more
wiley   +1 more source

Determination of coefficient of thermal expansion for Portland Cement Concrete pavements for MEPDG Implementation [PDF]

open access: yes
GDOT Research Project No. 10-04The Coefficient of Thermal Expansion (CTE) is an important parameter in Portland Cement Concrete (PCC) pavement analysis and design as it is directly proportional to the magnitude of temperature-related pavement ...
Kim, Sung-Hee   +1 more
core   +2 more sources

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