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FRACTURE ANALYSIS AND OPTIMIZATION OF LIFTING LUG OF METRO AXLE BOX
Published 2022-01-01Get full text
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Monitoring System for Circular Deformation in Metro Shield Tunnels in Soft Soils
Published 2020-01-01Get full text
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DIAGNOSTIC EVALUATION OF URBAN METRO TRANSIT SYSTEM POST-COVID-19
Published 2024-09-01Get full text
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The formation, development and classification of rail corrugation: a survey on Chinese metro
Published 2024-08-01“…The present study conducted extensive field surveys and tracking tests across 14 Chinese metro lines. By employing t-distributed stochastic neighbor embedding (t-SNE) for dimensional reduction and employing the unsupervised clustering algorithm DBSCAN, the research redefines the classification of metro rail corrugation based on characteristic information. …”
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Prioritize Effective Factors of Scheduling in Tehran Metro Station with Fuzzy TOPSIS Model
Published 2022-10-01“…Hence, data mining operations will also be considered. This research tries to provide an optimal data mining approach and machine learning principles to predict the route and select the optimal path in metro lines with minimum time, best speed, and minor errors in routing. …”
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LIFE PREDICTION OF METRO OBSTACLE DETECTOR BASED ON FATIGUE TEST AND FRACTURE SIMULATION
Published 2021-01-01Get full text
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Deformation Characterisation and Distress Diagnosis of a Metro Shield Tunnel by Adjacent Constructions
Published 2020-01-01“…The monitoring results reveal that the adjacent construction induces an excessive tunnel settlement with a maximum of 14.4 mm and an excess tunnel displacement with a maximum of 5.2 mm, which are within the corresponding limitations of the codes for the safe operation of urban rail transit tunnels. …”
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Quality of Pedestrian Networks Around Metro Stations: An Assessment Based on Approach Routes
Published 2025-01-01Get full text
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A multi-task model for failure identification and GPS assessment in metro trains
Published 2024-11-01Subjects: Get full text
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Management of Energy Exchange Process on Metro Rolling Stock with On-Board Capacitive Energy Storage
Published 2025-02-01“…The third task is to synthesize a control system for energy exchange pro-cesses on metro rolling stock with capacitive energy storage devices and an algorithm for its op-eration. …”
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Study on the Loess Immersion Test of Metro Line 2 in Xi’an, Shaanxi Province, China
Published 2021-01-01“…In this paper, the collapsibility loess of the south extension section of Xi’an Metro Line 2 is investigated, and its collapsibility characteristics are studied through a large-scale site immersion test. …”
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Trends and enabling technologies on high-speed metro and short-reach optical transmission systems
Published 2019-04-01Get full text
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Research on the Utilization of Metro Regenerative Braking Energy Based on an Improved Differential Evolution Algorithm
Published 2020-01-01“…The results demonstrate that the overlap time increases by 51.44% after optimization using the IDE algorithm when the headway is set to 154 s in peak hours. …”
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Collaborative Optimization Model for the Design and Operation of Feeder Bus Routes Based on Urban Metro
Published 2023-01-01“…Under the same topology road network, the operation time of the improved PSO algorithm is much shorter than the DFS algorithm, the total cost error of the feeder bus is 0.04%, and the departure frequency error is 4.6%, which is within the reasonable error range. …”
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Contamination of Legionella pneumophila in metro cooling tower water and its influencing factors in a city
Published 2024-12-01“…For each unit increase in ln-transformed nitrates and sulfates, the βs (95%CIs) of Legionella pneumophila concentration were −1.17 (−1.59, −0.74) and −1.11 (−1.63, −0.58), respectively. Compared with the group with 0-0.04 mg·L−1 of free residual chlorine, the β (95%CI) was −5.66 (−9.45, −1.87) for the group with ≥0.31 mg·L−1 of free residual chlorine. …”
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DESIGN AND SIMULATION VERIFICATION OF METRO ENERGY ABSORBED STRUCTURE BASED ON ASME RT-2 STANDARD (MT)
Published 2023-01-01Get full text
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Study on the Applicability of an Improved Pile-Beam-Arch Method of Metro Station Construction in the Upper-Soft and Lower-Hard Stratum
Published 2021-01-01“…The main challenge for metro station construction is to ensure the construction schedule while minimizing the impact on the surrounding environment. …”
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