Results 71 to 80 of about 10,206 (280)

Interpreting differential settlement mechanisms at railway bridge–embankment transitions: a numerical case study

Cogent Engineering
Differential settlement at railway bridge–embankment transitions remains a persistent maintenance challenge due to abrupt stiffness contrasts and complex load-transfer mechanisms within the track substructure.
Panudech Chumyen, Chonlatis Charoenwong, David Connolly   +2 more
doaj   +1 more source

Monitoring and Analysis of Ground Settlement Induced by Tunnelling with Slurry Pressure-Balanced Tunnel Boring Machine

Advances in Civil Engineering, 2018
A case study of monitoring and analysis of ground settlement caused by tunnelling of stacked twin tunnels for underground metro line construction through the densely populated area using the slurry pressure-balanced TBM is presented.
Hyunku Park, Ju-Young Oh, Dohyung Kim, Seokbue Chang   +3 more
doaj   +1 more source

Room‐Temperature Skyrmionic Synapse in 2D Ferromagnet Fe3GaTe2 Operating via Collective Spin Texture Transformation

Advanced Materials, EarlyView.
We demonstrate a neuromorphic synapse in 2D Fe3GaTe2 flakes. The device operates via a current‐driven transformation from a skyrmion‐lattice to a stripe‐domain state, yielding a linear anomalous Hall resistance response with a tunable slope to enable multiply‐accumulate operations. Simulations confirm its viability in artificial neural networks.
Jixiang Huang, Tongji Zhu, PeiYu Cai, Xiaoming Ma, Zhen Wang, Ruifu Zhang, Yi Hao, Jingdi Lu, Liubing He, Jun Xu, Yuejie Zhang, Wanjun Jiang, Jing Tao, Shiming Lei, Pavel Parchinskiy, Jing Teng, Lingfei Wang, Wei Niu, Elton J.G. Santos, Xiaoqian Zhang, Peng Li   +20 more
wiley   +1 more source

Technologies for Minimizing Track Degradation and Additional Dynamic Effects at Permanent Way-Railway Bridge Stiffness Transitions

Engineering Proceedings
Railway tracks at bridge approaches experience significant vertical stiffness transitions, leading to adverse effects such as settlement and increased dynamic loads, accelerating track degradation.
Szabolcs Fischer, Zoltán Major, Bence Hermán, Bálint Molnár, András Pollák, Szabolcs Kocsis Szürke   +5 more
doaj   +1 more source

Experimental and numerical settlement analysis of railway track over geogrid reinforced ballast [PDF]

Railway Sciences
Purpose – The main objective of the present research is to investigate the benefits of using geogrid reinforcement in minimizing the rate of deterioration of ballasted rail track geometry resting on soft clay and to explore the effect of load amplitude ...
Mohammed Y. Fattah, Mahmood R. Mahmood, Mohammed F. Aswad   +2 more
doaj   +1 more source

Soft Hardware, Flowing Software: Reconfigurable Microfluidics for Adaptable Chemical Computation

Advanced Materials, EarlyView.
A reconfigurable microfluidic platform based on soft, photo‐printable, and chemically erasable hydrogel structures printed and erased in situ is used to control flow routing, mixing, chemical patterning, and even chemical computing. Using hardware to control chemical computations decouples logic function from molecular composition, demonstrated via ...
Piet J. M. Swinkels, Brigitta Dúzs, Oliver Skarsetz, Kohei Nishiyama, Andreas Walther   +4 more
wiley   +1 more source

A knowledge-based prognostics framework for railway track geometry degradation [PDF]

, 2018
This paper proposes a paradigm shift to the problem of infrastructure asset management modelling by focusing towards forecasting the future condition of the assets instead of using empirical modelling approaches based on historical data.
Andrews, John, Chiachío, Juan, Chiachío Ruano, Juan, Chiachío Ruano, Manuel, Chiachío, Manuel, Chiach�o, Manuel, Prescott, Darren, Chiach�o, Juan   +7 more
core   +1 more source

A Dual‐Bioresponsive and Programmable Microneedle Matrix as a Bioinspired Coupler for Orchestrating Diabetic Bone Regeneration

Advanced Materials, EarlyView.
This project developed a smart bandage‐like patch (a microneedle array) for repairing diabetic bone damage. It intelligently senses signals from infection and inflammation, then releases its medicines in a specific, timed sequence: first an antibacterial agent, then an anti‐inflammatory agent, and finally growth factors.
Yu Wang, Rui Chen, Yu Chen, Haowen Lu, Yuchen Qian, Zhiheng Gao, Zheming Shen, Xiaofei Zheng, Huilin Yang, Jun Zou, Yusen Qiao   +10 more
wiley   +1 more source

A Reproducible and Scalable Process for High Yield Mesenchymal Stromal Cell Extracellular Vesicles Production

Advanced Materials Technologies, EarlyView.
Mesenchymal stem cell derived extracellular vesicles (MSC‐EVs) are a promising therapeutic tool for regenerative medicine. However, the field lacks a reproducible high‐yield production method to answer the quantities needed for clinical translation.
Christophe Wong, Elise Madec, Jeanne Volatron, Max Piffoux, Amanda K. A. Silva, Florence Gazeau, Jean‐Philippe Herbeuval, Thibaut Fourniols   +7 more
wiley   +1 more source

Evaluation of Countermeasures against Differential Settlement at Track Transitions

Quarterly Report of RTRI, 2007
This paper describes a study which looked at the mechanism of wheel load variation that results from changes in railroad track stiffness, loose railroad ties on ballasted trackside, and other factors. Results are presented from a field inspection, a cyclic-movement loading test, and dynamic analysis performed on the ballasted trackside of the end ...
NAMURA, Akira, SUZUKI, Takahiro
openaire   +2 more sources