EFFECT FROM THE ACADEMIC YEAR 2013 - 2014

 

AE 461

 

EARTHMOVING VEHICLES

                                                                                                         (Elective - III)

 

Instruction                                                                                                                                                                                                                                                                           4  Periods per week

Duration of University Examination                                                                                                                                                                                                                                  3  Hours

University Examination                                                                                                                                                                                                                                                      75 Marks

Sessional                                                                                                                                                                                                                                                                             25 Marks

 

UNIT-I

 

Classification and requirements of off road vehicles : Land clearing machines Earth moving machines Scrapers and graders Shovels and ditchers Power plants, chassis and transmission,

multiaxle vehicles.

 

UNIT-II

 

Transport equipment; Powered equipment, Tractors and Trollies, Trailers, Platform lift trucks, Fork lift trucks, containers and Supports. Hauling equipment: Types of dump trucks, On-high way vehicles, Off high way vehicles.

 

Hoisting equipment: Jacks, truck mounted crane, Crawler crane, Outriggers.

 

UNIT-III

 

Tractors and tractors units : Tractors in earth moving Applications of tractors, Rating of Tractors, Wheeled and Crawler tractor, Recent trends in tractor design, power shift transmission and final drive in caterpillar tractor. Motor grader, Recent trends ,control mechanism of a caterpillar motor grader.

 

UNIT-IV

 

Earth moving machines : Bulldozers, cable and hydraulic dozers. Crawler track, running and steering gears, scrapers, drag and self-Powered types - dump trucks and dumpers - loaders, single

bucket, multi bucket and rotary types - power and Capacity of earth moving machines.

 

UNIT-V

 

Scarper and graders: Scrapers, elevating graders, self-powered scrapers and graders. Shovels and Ditchers: Power shovel, revolving and stripper

shovels - drag lines - ditchers - capacity of shovels. Land clearing machines: Bush cutter, stampers, tree dozer, rippers.

 

Suggested Reading:

 1.Abrosimov. K. Bran berg.A. and Katayer.K., Road making Machinery, MIR Publishers, Moscow, 1971.

 2.Wang.J.T., Theory of Grand vehicles, John Wiley & Sons, New York, 1987.

 3.Off the road wheeled and combined traction devices - Ashgate Publishing Co. Ltd. 1998

 4.R.L. Peurifoy, Construction Planning Equipment and Methods, McGraw Hill Publishers, 1956

 

 

5.Mahesh Varma, Construction Equipment and its Planning and Applications, Metropolitan Books Co., Delhi, 2004