Results 81 to 90 of about 5,944 (240)

Study on the dynamic contact relationship between layers under temperature gradients in CRTSⅢ ballastless track

High-Speed Railway
In areas with large temperature differences, the uneven distribution of temperatures in the CRTS III ballastless track slab due to daytime sunlight can cause warpage deformation, leading to periodic rail irregularities that increase the wheel-rail impact
Lei Zhao, Guotang Zhao, Guotao Yang, Hao Jin, Chenxi Li   +4 more
doaj   +1 more source

Experimental Study on the Influence of Transverse Crack on Chloride Ingress in Concrete Slab Track of High-Speed Railway. [PDF]

Materials (Basel), 2023
Liu X, Li H, Qi M, Yang Y, Zhu Z, Yu Z.
europepmc   +1 more source

Tracking the Dynamics of human Colonisation and Adaptation in Central Vanuatu: Preliminary Results From Excavation and Survey at Pangpang, East Efate

Archaeology in Oceania, EarlyView.
ABSTRACT In October 2022 an extensive archaeological landscape was identified by staff of the Vanuatu Cultural Centre at Pangpang on the east coast of Efate Island in central Vanuatu. It included midden deposits on the banks of the Pangpang River near the sea at Forari Bay where Lapita and Early Erueti‐style pottery sherds were recovered.
Stuart Bedford, Iarawai Phillip, Lucas Sarvanu, Edson Willie, Stuart Hawkins, Robert Henderson, Frédérique Valentin, Siri Seoule, Emily Nutman, Phillip Parton   +9 more
wiley   +1 more source

Dynamic comparison of different types of slab track and ballasted track using a flexible track model

Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 2011
The dynamic performance of a ballasted track and three types of slab track is analysed and compared by means of a comprehensive dynamic model of the train–track system, generated using two commercial analysis software packages: the commercial multibody system (MBS) analysis software SIMPACK and the finite element method (FEM) analysis software NASTRAN.
Blanco-Lorenzo, Julio, Santamaría Manrique, Javier, García Vadillo, Ernesto, Oyarzabal de Celis, Olatz   +3 more
openaire   +2 more sources

Strengthening urban resilience in China through underground infrastructures management: Addressing global climate challenges with technological solutions

Deep Underground Science and Engineering, EarlyView.
This paper explores how climate‐resilient technologies, such as smart grids, digital twins, and self‐healing materials, can enhance urban resilience. It highlights the urgent need for proactive planning, public‐private collaboration, and data‐driven innovation to future‐proof underground infrastructure amid accelerating climate and urban pressures ...
Kai Chen Goh, Tonni Agustiono Kurniawan, Christia Meidiana, Abdelkader Anouzla, Faissal Aziz, Imran Ali, Joan Cecilia C. Casila, M. Imran Khan, Dongdong Zhang, Meihui Jiang, Mohd Hafiz Dzarfan Othman, Md Munir Hayet Khan, Kasun Kumara Dissanayake   +12 more
wiley   +1 more source

Influence of Vibration Isolator Failure on Vehicle Operation Performance and Floating Slab Track Structure Vibration Reduction Effectiveness

Shock and Vibration, 2019
At present, steel-spring floating slabs have been widely used in urban rail transit to reduce the influence of ground vibration caused by vehicle operation on the surrounding environment. As a core part of vibration reduction for floating slab track, the
Caiyou Zhao, Dongya Liu, Xiaoming Zhang, Qiang Yi, Liuchong Wang, Ping Wang   +5 more
doaj   +1 more source

Experimental Research on Vibration-Damping Effect of Combined Shear Hinge Prefabricated Steel Spring Floating Slab Track. [PDF]

Sensors (Basel), 2022
Zeng Z, Huang X, Li Z, Wang W, Shi Z, Yuan Y, Shuaibu AA.   +6 more
europepmc   +1 more source

Slab tracks in the context of railway track reconstruction

, 2004
U radu se ukazuje na specifičnost projekta rekonstrukcije u odnosu na projekat nove pruge. Definiše se osnovna hijerarhijska šema za donošenje odluke o rekonstrukciji i obavezne faze izrade projektne dokumentacije. Posebno se obrazlažu specifični zahtevi rekonstrukcije gornjeg stroja.
Popović, Zdenka, Ilić, Čedomir
openaire   +1 more source

Dynamic geo‐hydrogeological monitoring‐driven situational awareness for real‐time floor water inrush risk prediction in deep mining

Deep Underground Science and Engineering, EarlyView.
The fused data extracted from the distributed monitoring system as the data basis, combined with dynamic geological data, are imported into a deep learning model. As the geological conditions of mining and excavation change, the risk of water inrush at the working face is retrieved in real time.
Yongjie Li, Huiyong Yin, Fangying Dong, Tao Wu, Chao Zhang   +4 more
wiley   +1 more source

Influence of Vehicle Number on the Dynamic Characteristics of High-Speed Train-CRTS III Slab Track-Subgrade Coupled System. [PDF]

Materials (Basel), 2021
Xu Q, Sun H, Wang L, Xu L, Chen W, Lou P.   +5 more
europepmc   +1 more source