Recent Articles

Open access

ISSN: 3050-8142

Test case generation of onboard ATP for heavy haul rail based on hybrid whale optimization algorithm

Combinatorial Testing (CT) of the onboard Automatic Train Protection (ATP) functionality of train control systems for heavy haul rail can significantly enhance the safety of signalling equipment. However,...

Local shortwave irregularities detection for high-speed railway bridges using wavelet energy features of train-induced accelerations

Local shortwave irregularities, a prevalent form of track damage, intensify train-bridge interactions, potentially compromising the safety and comfort of high-speed trains while shortening the service...

Mapping safety science in the construction and process industries: parallels and discrepancies

•This study provides a high-level scientific review of scientific research on construction safety and process safety.•This study compares the research topics of construction safety and process safety...

Mechanical properties and damage analysis of polymer fiber reinforced concrete in low vacuum environments based on acoustic emission technology

•The mechanical properties of concrete in low vacuum environments were improved by polymer fiber reinforcement.•Acoustic emission technology was utilized for mechanical damage analysis.•High-content...

Optimizing mountain railway alignments with a potential field guided 3D-RRT-star algorithm

Developing railway alignments becomes increasingly challenging in undulating terrain with densely-distributed obstacles. Traditional alignment optimization methods, which employ a design process characterized...

Energy-efficient operation trajectory optimization of heavy-haul trains based on hybrid biological intelligent heuristic strategy

The operation trajectory optimization of heavy-haul trains has potential to diminish transportation energy consumption. This can lead to significant economic benefits. However, in the domain of heavy-haul...

Seismic safety of high-speed railway train track bridge systems: research progress, disaster mechanisms, and mitigation strategies

High-speed railway (HSR), as a rapid and efficient mode of transportation, is undergoing significant development in China. Bridge structures are widely utilized owing to their superior adaptability...

Effect of AMPS-based polycarboxylate superplasticizer on early hydration of cement and its mechanism

2-acrylamide-2-methylpropanesulfonic acid (AMPS) has attracted much attention in the field of admixture design because of its highly electronegative sulfonic acid groups. However, the number of AMPS...

A Survey of Coupled Vibration Characteristics and Control Methods in Maglev Transportation: Challenges, Methods and Progress

As an advanced rail transportation technology, maglev trains have emerged as a significant research focus in the transportation field due to their advantages of contactless operation, low energy consumption,...

Transfer learning-based scoping prediction for train induced ground vibration using both simulated and experimental data

Rapid scoping prediction of train-induced ground vibrations along the route is crucial during the planning phase of a metro line. Recently, machine learning methods have emerged for rapid prediction...

Hydraulic Gradient Effects on Filter Cake Formation: Microscopic Insights from CFD–DEM Simulations

•This study examines how hydraulic gradients affect the efficiency of filter cake formation using CFD–DEM simulations,•It explores the microscopic mechanism by which hydraulic gradients accelerate filter...

A bibliometric mapping study on advances in the operational safety of maglev trains

Magnetic levitation (maglev) trains represent a pivotal advancement in high-speed transportation. However, research on their aerodynamics and operational safety is complex and fragmented across various...

Prediction of Fire-induced Steel Beam Deformation Using Machine Learning Algorithms

The versatility of steel in the construction industry stems from its advantages over other construction materials. Despite that, its poor resistance to fire has remained a serious concern. Several research...

Improved vertical settlement calculation model for prefabricated subway stations considering shear effect under time-varying loads

Soil backfilling marks the completion of prefabricated subway stations, exhibiting notable spatio-temporal specificity. Soil backfilling can cause uneven longitudinal settlement, leading to disasters...

Deformation of ballastless track and vehicle-track dynamic response affected by subgrade arch in red mudstone areas

Red mudstone, a pliant sedimentary rock, has the potential to induce subgrade arching due to its strong tendency for water absorption, expansion, and distinctive rheological properties. This adverse...

Study on rapid chloride ion migration, frost resistance and microstructure evolution of basalt fiber reinforced cement-based composites

•Basalt fibers enhance the permeability and frost resistance of cement.•Basalt fiber enhances the internal pore structure and microstructure of cement.•Reveals the correlation between cement durability...

Trends and perspectives in structural health monitoring through edge computing: A review with zero-shot natural language processing categorization

The integration of edge computing into Structural Health Monitoring presents a transformative shift, overcoming limitations in latency, scalability, and centralized data processing. This review conducts...

Preparation and composite strengthening of desert sand artificial aggregates and their influence on concrete mechanical properties

Desert sand offers a vast yet underutilized resource for producing artificial aggregates to alleviate aggregate shortages in desert-region infrastructure. In this study, high-quality desert sand artificial...

A critical review of operations research on the operation and maintenance of railway systems

The railway system plays a critical role in modern transportation networks. To ensure its sustainable and reliable operation, conducting efficient operation and maintenance becomes the utmost concern...

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