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CE-404 TRANSPORTATION ENGINEERING –I Notes

5 notes for TRANSPORTATION ENGINEERING –I, unit by unit.

Unit 1 · Short notes Introduction, Tractive resistances \& Permanent way Principles of transportation and modes (roads, railways, airways, waterways) and their limitations. · Route surveys, alignment, railway track development and gauge considerations. · Hauling capacity and tractive effort. · Rail types, welding, wear, creep. · Sleeper types, comparison, density requirements. · Rail fastenings: fish plates, fish bolts, spikes, bearing plates, chain keys, check and guard rails.
Unit 2 · Short notes Geometric Design ; Station \& Yards; Points and Crossings \& Signaling and interlocking Formation and cross‑section design, super‑elevation, equilibrium, cant and cant deficiency. · Curve geometry and permissible speeds on curves. · Types and locations of stations and yards, general equipment and layout planning. · Design of simple turnouts and layout details. · Signal types used in stations and yards and principles of signaling and interlocking.
Unit 3 · Short notes Bridge Site Investigation and Planning ; Loading Standards \& Component parts Site selection, alignment and collection of bridge design data. · Essential surveys, hydraulic design and scour depth assessment. · Economic span, clearance, afflux, classification of road and railway bridges. · Design loads, impact factors and Indian loading standards for railway and highway bridges. · Superstructure and sub‑structure components: abutments, piers, wing walls, return walls, approaches, decks and flooring systems. · Selection of appropriate superstructure type.
Unit 4 · Short notes Bridge Foundations, Construction, Testing and Strengthening of Bridges Foundation types for bridges: piles, wells, sinking wells, cofferdams. · Material selection for bridges and construction techniques (underwater and above water). · Use of sheet piles and cofferdams, erection of girders, equipment and plant. · Inspection, data collection and strengthening methods for bridges. · Causes and analysis of bridge failures.
Unit 5 · Short notes Tunnels Route selection, engineering surveys, alignment, tunnel cross‑section, bridge action and pressure‑relief phenomena. · Tunnel approaches, shafts and pilot shafts. · Construction methods in soft soil, hard soil and rock. · Lining types and installation methods. · Mucking, drainage and ventilation practices. · Notable examples of important tunnels in India and abroad.

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