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Preface | |
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Foreword | |
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Railways and Transport | |
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Evolution of the railways | |
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Rail transport characteristics | |
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Evolution of railway traffic | |
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The dual nature of the railways: business and technology | |
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High-speed trains | |
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The Channel Tunnel Project | |
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Aerotrain and Maglev | |
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Other transportation services with good prospects for the railways | |
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International railway institutions | |
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The Track System | |
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Areas of railway engineering: track, traction, operation | |
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The components of the track system | |
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Track on ballast and concrete slab | |
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Track gauge | |
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Load per axle and traffic load | |
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Sleeper spacing | |
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The wheel-rail contact | |
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Transverse wheel oscillations along the rail | |
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Rail mounting angle on sleeper | |
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Load gauge | |
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Forces generated by rail vehicle movement - static and dynamic analysis | |
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Influence of the forces generated on passenger comfort | |
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Construction cost of a new railway line | |
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Railway Subgrade | |
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The importance of the railway subgrade on track quality and its functions | |
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Geotechnical analyses and soil classifications | |
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Hydrogeological conditions | |
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Classification of the railway subgrade | |
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Mechanical characteristics of the subgrade | |
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The formation layer | |
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Impact of traffic load on the subgrade | |
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Impact of maintenance conditions on the subgrade | |
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Fatigue behaviour of the subgrade | |
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Frost protection of railway lines | |
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Track subgrade in trenches and on embankments - slope gradients | |
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The reinforced soil technique in railway engineering | |
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Geotextiles in railway subgrades | |
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Mechanical Behaviour of Track | |
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Analysis of vertical phenomena - track coefficients | |
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Approached elastic analysis of vertical effects - Zimmermann's method | |
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Accurate static analysis of vertical effects - Finite-element method | |
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Dynamic analysis of the track-subgrade system | |
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Additional dynamic loading | |
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Design of the track-subgrade system | |
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Vibrations from rail traffic | |
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The Rail | |
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Rail profiles | |
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Choice of rail section | |
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Rail steel grade, mechanical strength and chemical composition | |
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Stress analysis of rail | |
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Analysis of the mechanical behaviour of the rail by the finite-element and the photoelasticity methods | |
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Rail fatigue | |
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Rail defects | |
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Permissible rail wear | |
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Optimum lifetime of a rail | |
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Fishplates | |
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The continuous-welded rail | |
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Sleepers - Fastenings | |
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The various types of sleepers | |
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Steel sleepers | |
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Timber sleepers | |
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Concrete sleepers | |
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The twin-block reinforced-concrete sleeper | |
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The prestressed-concrete monoblock sleeper | |
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Stresses developing under the sleepers | |
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Track on concrete slab | |
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Fastenings | |
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Resilient pads | |
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Numerical application for the dimensioning of the various track components | |
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Ballast | |
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Functions of the ballast and subballast | |
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Geometrical characteristics of ballast | |
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Mechanical behaviour of ballast | |
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Ballast hardness | |
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Ballast dimensioning | |
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Ballast cross-sections | |
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Laying the track | |
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Transverse Effects - Derailment | |
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Transverse effects | |
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Transverse track forces | |
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Transverse track resistance | |
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Influence of ballast characteristics on transverse track resistance | |
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Influence of sleeper type and characteristics on transverse track resistance | |
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Additional measures and special equipment used to increase transverse resistance | |
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Derailment | |
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Track Layout | |
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Rail vehicle running on curve and on transition arc | |
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Theoretical and actual values of cant - permissible values of transverse acceleration | |
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Limit values of cant and acceleration | |
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Calculation of transition curve | |
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Calculation of the circular arc | |
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Case of consecutive same sense and antisense curves | |
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Superelevation ramp | |
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Combining maximum and minimum speeds | |
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Correlation of the speed on a curve and of its curvature radius | |
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Gradients | |
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Vertical transition curves | |
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Layout design using tables | |
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Layout design using computer methods | |
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Construction of a new railway line | |
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Switches and Crossings | |
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Purpose of switches and crossings and their functions | |
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Arrangement and components of a turnout | |
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Various forms of turnouts | |
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Running speed on turnouts | |
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Derailment protection on switches and crossings | |
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Switches and crossings for high speeds | |
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Sleeper and track layout in turnouts and crossings | |
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Manual and automatic switch operation | |
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Track Maintenance | |
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Parameters influencing track maintenance | |
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Definitions and parameters associated with track defects | |
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Track defects | |
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Track defect recording methods | |
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Limit values of track defects | |
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Progress of track defects | |
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Mechanical equipment for maintenance works | |
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Scheduling maintenance operations | |
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Technical considerations for track maintenance works | |
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Weed control | |
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Train Dynamics | |
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Train traction | |
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Forces acting during train motion | |
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Specific traction force or starting force of a train | |
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Adhesion forces | |
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Required train power | |
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Train acceleration and deceleration | |
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Train braking | |
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Line scheduling | |
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Components of a pulled rail vehicle | |
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Dynamic stability of a rail vehicle | |
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Vehicles with body tilting on curves | |
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Diesel and Electric Traction | |
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The various traction systems | |
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Steam traction | |
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From steam traction to diesel traction and electric traction | |
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Diesel traction | |
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Electric traction | |
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Electric traction systems | |
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Feasibility analysis of electric traction | |
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Transmission line | |
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Overhead line supporting poles | |
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Substations | |
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Synchronous and asynchronous motors | |
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Electric locomotive maintenance - depot | |
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List of References | |
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Index | |