Results 21 to 30 of about 215,344 (356)
Advances in Materials Science and Engineering, 2014 Uniaxial compression test of cement asphalt (CA) mortar specimens, due to drying and wetting cycle of 0, 2, 4 and 8 times, is carried out by using the electronic universal test machine, with the strain rate ranging from 1 × 10−5 s−1 to 1 × 10−2 s−1.
Ping Wang +4 more
doaj +1 more source
High Speed Railway Wireless Communications: Efficiency v.s. Fairness
, 2014 High speed railways (HSRs) have been deployed widely all over the world in recent years. Different from traditional cellular communication, its high mobility makes it essential to implement power allocation along the time.
Dong, Yunquan +2 more
core +2 more sources
Hot Tensile Behavior of 05Cr17Ni4Cu4Nb Stainless Steel: Damage Model and Fracture Characteristics
MetalsThis study investigates the hot tensile behavior and fracture characteristics of 05Cr17Ni4Cu4Nb stainless steel through isothermal tensile tests conducted under various deformation parameters.
Jing Yuan +3 more
doaj +1 more source
Dynamic Response of Wheel-Rail Interaction at Rail Weld in High-Speed Railway
Shock and Vibration, 2017 As a main part of continuously welded rail track, rail weld widely exists in high-speed railway. However, short-wave irregularities can easily initiate and develop in rail weld due to the limitation of welding technology and thus rail weld has been a ...
Boyang An +4 more
doaj +1 more source
Remote Sensing, 2019 Landslide is the second most frequent geological disaster after earthquake, which causes a large number of casualties and economic losses every year. China frequently experiences devastating landslides in mountainous areas.
Hongguo Jia +3 more
doaj +1 more source
Improving the activity of waste concrete recycled powder by a mechanical-microwave combing method [PDF]
Railway SciencesPurposeThe efficient utilization of recycled concrete powder (RCP) has attracted much attention. To break through the limitation of single activation technology of RCP, this study investigates the effects of a mechanical-microwave method on the ...
Henan Shi +5 more
doaj +1 more source
Gong-kuang zidonghuaThere has been a lack of precise methods for monitoring and evaluating the entire process of gas fracturing. However, strain monitoring can effectively record the real-time initiation and propagation of cracks. By studying the strain response of borehole
KONG Zixing +5 more
doaj +1 more source
An Innovative and Efficient Method for Reverse Design of Wheel-Rail Profiles
Applied Sciences, 2018 Well-designed wheel-rail profiles are not only helpful in achieving expected dynamic vehicle performance but also in extending the service lives of wheels and rails.
Rong Chen +5 more
doaj +1 more source
Magnetic Flux Guides by Material Extrusion
Advanced Science, EarlyView.Magnetic flux guidance can increase inductive coupling and forces for magnetic sensors, actuators, and transducers. Here, a magnetic material extrusion method is used to fabricate flux concentration structures of arbitrary shapes with a magnetic permeability of 42. In line with simulation analysis, experimental results show that these materials provide
Jorge Cañada +4 more
wiley +1 more source
Analysis of Large-slope Metro Turnout Rail Creeping under Cycling Loads Action
Chengshi guidao jiaotong yanjiuObjective When turnouts are laid on slope, the longitudinal force increase on the track due to the cyclic braking of trains will cause uneven rail creeping phenomena， resulting in a more complex stress and deformation pattern for the turnout, and even ...
WANG Tian +6 more
doaj +1 more source