Results 111 to 120 of about 217,691 (313)

ON IRON FOR RAILWAYS. [PDF]

open access: yesMinutes of the Proceedings of the Institution of Civil Engineers
n ...
openaire   +2 more sources

Motion planning and control of an installation robot for attitude adjustment of arc parts in underground shield tunneling

open access: yesDeep Underground Science and Engineering, EarlyView.
Inspired by spiders, the multilegged walk‐through assembling robot for arc parts achieves high‐precision synchronous control under heavy loads through dual‐layer hydraulic pose dynamics modeling and hierarchical pressure optimization, significantly enhancing shield tunneling assembly efficiency and precision.
Quan Xiao   +5 more
wiley   +1 more source

In brief: Train times [PDF]

open access: yes
Are we better than the Victorians at running our railways? Tim Leunig investigates.
Tim Leunig
core  

Analysis and comparison of Scalextric, SCX, and Carrera Digital slot car systems: A mechatronic engineering design case study [PDF]

open access: yes, 2014
Digital slot cars operate by transmitting both power and data over a single pair of wires much like DCC-controlled model railways and some home automation systems.
Bradley, Neil   +9 more
core   +1 more source

Seismic analysis and design of tunnels within fault ground: A review

open access: yesDeep Underground Science and Engineering, EarlyView.
The research methods of seismic response of tunnels within fault ground, including field investigations, analytical solutions, physical experiments, and numerical simulations, and seismic countermeasures are discussed. The present study examines the shortcomings and limitations of the current research and design, and puts forward proposals for future ...
Xingda Wang   +6 more
wiley   +1 more source

Assessing the effectiveness of using electronic distance learning methods and the relationship with the results of the Bennett and Unified State Exam tests

open access: yesRUDN Journal of Informatization in Education
Problem statement. This article examines application of electronic distance learning methods in the modern educational process. Effectiveness of such methods and importance of assessing the level of training of students are discussed.
Maksim S. Ivanov   +3 more
doaj   +1 more source

Multimodal logistics chains for international transportation of dangerous and perishable goods [PDF]

open access: yesMATEC Web of Conferences
The overview article delves into the critical area of emergency logistics and supply chain management. Analyzing research conducted by experts in the field, the authors explore the potential benefits and challenges associated with the use of multimodal ...
Myronenko Viktor   +3 more
doaj   +1 more source

The Regional Impact of Heritage Railways [PDF]

open access: yes
Dotted across Europe can be found a large number of heritage railways and museums, the remnants of former elaborate railway networks bypassed by industrial and economic change.
Eftychia Kotsiou   +2 more
core  

RAILWAY BREAK. [PDF]

open access: yesMinutes of the Proceedings of the Institution of Civil Engineers
n ...
openaire   +2 more sources

Carbon emission assessment of tunnel infrastructures: From construction to operation

open access: yesDeep Underground Science and Engineering, EarlyView.
This study develops a lifecycle carbon accounting framework for tunnel infrastructures, covering design, construction, operation, maintenance, and dismantling. Applied to a subsea tunnel case, the framework reveals the carbon emission distribution among four typical tunnel types and highlights potential carbon offset methods for low‐carbon tunnel ...
Luyuan Long   +4 more
wiley   +1 more source

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