To control tunneling risk, the prediction of surface settlement rate induced by shield using earth pressure balance plays a crucial role. achieve this, ten independent variables were identified that can affect amount settlement. The nonlinear relationship between maximum ground settlements and influential was considered in artificial neural network (ANN) models. A total 150 genuine datasets der...

An important aspect of planning for shallow tunneling under urban areas is the determination of likely surface movements and interaction with existing structures. Back analysis of built tunnels that their settlements magnitude is available, could aid the designers to have a more accuracy in future projects. In this paper, one single Tehran Metro Tunnel (at west of Hor square, Jang University St...

Shield tunneling construction of metro infrastructure will continuously disturb the soils. The ground surface will be subjected to uplift or subsidence due to the deep excavation and the extrusion and consolidation of the soils. Implementation of the simultaneous monitoring with the shield tunnel construction will provide an effective reference in controlling the shield driving, while how to de...

Timetable design is crucial to the reliability of a metro service. In terms of the delays caused by passengers’ boarding and alighting behaviors during rush hours, the planned timetable for a metro line with high-frequency service tends to be difficult to implement. General oversaturation events, rather than accidents or track damage, still have a significant impact on metro systems, so that tr...

1. Classification of Transit Systems 2. Bus Transit System 3. Trolleybus System 4. Rail Transit Systems 5. Tramway/Streetcar and Light Rail Transit LRT 6. Rapid Transit or Metro 7. Automated Guided Transit Systems 8. Regional and Commuter Rail 9. Special Technology Transit Systems 10. Transit Line Scheduling 11. Transit Planning and Selection of Transit Modes 12. Present and Future Role of Urba...

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