Transportation 2 notes for mdu btech

click here to download TRANSPORTATION 2 PREVIOUS YEAR PAPERS OF MDU BTECH

Section A

Unit 1 design of flexible pavements

• types of pavements
• flexible and rigid pavements
• components of a pavements and their functions
• Factor affecting design of pavements
• Design of thickness of flexible pavement by Group Index method
• CBR california bearing ratio test
• Triaxial method and Burmisters method

Unit 2 Design of Rigid pavements

• Westrgaards theory
• critical location of loading
• load and temperature stresses
• critical combination of stresses
• IRC guidelines for determination of thickness of rigid pavement

JOINTS:

• Requirements
• types
• patterns
• spacing of expansion and contraction joints
• function of dowel and tie bars

SECTION B

Unit 3:  HIghway construction: Non Bituminous pavements

• Brief introduction to earthwork machinery: shovel, hoe, clamshell , dragline, bulldozer
• Princiles of field compaction of subgrade 
• compacting equipments
• Grannular roads
• construction steps of WBM 
• WMM
• construction of cement concrete pavements 
• slip form pavers
• basic concept of the following: soil stabilized roads,  use of geo synthetics, reinforced cement concrete pavements
• prestress convrete pavements
• roller compacted concrete pavements and fibre reinforced concrete pavements

Unit 4: Construction of Bituminous Pavements

• Various types of bituminous construction.
• prime coat, tack coat, seal coat, surface dressing
• construction of BUSG
• Premix carpet
• BM, DBM and AC
• breif coverage fo machinery for construction of bituminous roads: Bitumen boiler, sprayer, pressure distributor, Hot mix plant, cold mix plant, tripper trucks, Mechanical pavers, or finisher rollers
• Mastic asphalt
• Introduction to various IRC and MOST specification

SECTION C

unit 5: Highway maintenance

• Pavement failures
• maintenance operations
• maintenance of WBM
• bituminous surfaces and cement concrete pavements
• Pavements evalution
• benkleman beam
• Introduction to various types of overlays

Unit 6: HIghway drainage and hill roads

surface drainage:

• Types
• brief design
• types of sub surface drainage
• special characteristics of hill roads, geometrics,
• hair pin bends
• construction of hill roads
• drainage of hill roads
• mainteneance problem of hill roads

SECTION D

Unit 7: Highway economics and finance

• need of economics evalution
• highway user benefits and costs
• methods of economics evalution
• benefits cost ration method
• net present value method
• internal rate of return method
• comparison
• highway finance

Unit 8: Tunnels

• section of tunnels: advantages, limitation, suitability or each
• shaft
• pilot tunnel
• driving of tunnel in rock: sequence of construction operation
• full face method
• heading and bench method
• drift method
• driving tunnels in soft ground: sequence & construction operation
• needle beam method
• shield tunneling
• compressed air tunneling

click here to download TRANSPORTATION 2 PREVIOUS YEAR PAPERS OF MDU BTECH