Author name: admin

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