A review of alignment optimization research for roads, railways and rail transit lines

T Song, P Schonfeld, H Pu - IEEE Transactions on Intelligent …, 2023 - ieeexplore.ieee.org
Roads, railways and rail transit lines play major roles in transporting passengers and freight.
In the design process for such transportation infrastructures, the alignment determination …

A deep reinforcement learning approach to mountain railway alignment optimization

T Gao, Z Li, Y Gao, P Schonfeld, X Feng… - … ‐Aided Civil and …, 2022 - Wiley Online Library
The design and planning of railway alignments is the dominant task in railway construction.
However, it is difficult to achieve self‐learning and learning from human experience with …

Estimation of railway track longitudinal irregularity using vehicle response with information compression and Bayesian deep learning

C Li, Q He, P Wang - Computer‐Aided Civil and Infrastructure …, 2022 - Wiley Online Library
In railway transportation, track geometry irregularity is one of the main factors in controlling
train safety. At present, railway practitioners typically use the track geometry car (TGC) …

GIS-based multi-criteria railway design with spatial environmental considerations

T Song, H Pu, P Schonfeld, H Zhang, W Li, X Peng… - Applied …, 2021 - Elsevier
Railway design is complex and closely linked to environmental concerns. To solve this
problem, a two-stage method considering three categories of environmental factors …

Minimizing costs and carbon emissions in railway alignment optimization: A bi-objective model

H Pu, L Cai, T Song, P Schonfeld, J Hu - Transportation Research Part D …, 2023 - Elsevier
Railway alignment optimization should consider multiple environmental factors. Especially
considering the changing climate, low-carbon design is crucial in alignment development …

Mountain railway alignment optimization integrating layouts of large‐scale auxiliary construction projects

T Song, H Pu, P Schonfeld, Z Liang… - … ‐Aided Civil and …, 2023 - Wiley Online Library
Mountain railway alignment design is an important but complex civil engineering problem.
To overcome the drastically undulating terrain, long tunnels and high bridges are major …

Simultaneous optimization of 3D alignments and station locations for dedicated high‐speed railways

T Song, H Pu, P Schonfeld, H Zhang… - Computer‐Aided Civil …, 2022 - Wiley Online Library
Determinations of alignments and station locations are major tasks in railway design, which
jointly and fundamentally influence the construction and operation of the whole project …

An algorithm for random generation of admissible horizontal alignments for optimum layout design

ME Vázquez‐Méndez, G Casal… - … ‐Aided Civil and …, 2021 - Wiley Online Library
This work deals with the design of horizontal alignments (HAs) for its application in
intelligent civil systems. Two consecutive tasks are performed: the random generation of …

A bi-objective deep reinforcement learning approach for low-carbon-emission high-speed railway alignment design

Q He, T Gao, Y Gao, H Li, P Schonfeld, Y Zhu… - … Research Part C …, 2023 - Elsevier
Reasonable design and planning of alignments are crucial for both economic investment
and the environmental impact of high-speed railway projects. Approaches that can integrate …

Railway alignment optimization in mountainous regions considering spatial geological hazards: A sustainable safety perspective

H Pu, J Xie, P Schonfeld, T Song, W Li, J Wang, J Hu - Sustainability, 2021 - mdpi.com
Sustainable railway construction and operation are threatened by densely occurring
geological hazards in complex mountainous regions. Thus, during the alignment …