TE1 (B-TECH Civil Engineering 5th)

 SECTION-A

UNIT-I

Highway Plans, Highway Alignment and Surveys

Main features of 20 years road development plans in India. Requirement of an ideal high way alignment.

Factors affecting alignment, Surveys for high way alignments.

Classifications of roads. Objectives of highway planning. surveys Saturation system of planning.

UNIT –II

Cross section elements and sight distance considerations.-Cross section elements, friction, carriage way,

formation width, land width, camber,IRC recommended values. Types of terrain design speed, sight

distance ,stopping sight distance, overtaking sight distance ,overtaking zones, intermediate sight distance

,sight distance at inter sections, head light sight distance, set back distance.Cirtical locations for sight

distance.

SECTION-B

UNIT –III

Design of horizontal and vertical alignmentsEffects

of centrifugal force. Design of super elevation. Providing super elevation in the field.Radiuos of

circular curves. Extra widening. Type and length of transition curves.Gradiednt, types, values.Smmit

curves and valley curves, their design criterions. Grade compensation on curves.

UNIT-IV

Traffic characteristics and traffic surveys, road user and vehicular characteristics .Traffic studies such as

volume, speed and O & D studies. Parking and accident studies. Fundamental diagram of traffic flows.

Level of service.PCU.Capacity for non urban roads. Causes and preventing measures for road accidents.

SECTION-B

UNIT –V

High way materials

Sub grade soil evaluation, CBR test, plate bearing test, desirable properties of aggregatesa,various testes

,testing procedures and IRC/IS specifications for suitability of aggregates 

Types of Bituminous materials.

Bitumen,tar, Cut back,emulsions. Various tests, testing procedures and IRS/Is specifications for stability

of bituminous materials in road construction.Bitumenous mix, desirable properties.Marshell method of

mix design. Basic concept of use of polymers and rubber modified bitumen in bituminous mixes.

SECTION-C

UNIT –VI

Rail way Transport

System of rail ways ,permanents ways, components ,requirements of gauge, gauge, types of gauges ,rails,

function of rails ,composition ‘types of rails, length of rail, rail joints, type of rail joints, coning and

wheel,tilting,failure of rails, creeps wearing,buckling,welding,Sleepers,Types of sleepers

Functions,Requirements,Ballasts,Functions,Types of ballast size and sections, and quanties,fixure and

fastening,function,typr of fastening,requirements,spikes,types of spikes,bolts,keys,.

SECTION-D

UNIT-VII

Track geometries,gradients,types of gradients,curves,types of curves, super elevations, relation super

elevation with gauge ,speed and radius of curves, pointing crossing, technical terms, turn out,switches,type

of switches,crossings,type of crossing,junction,type of junction,plating,method of platting, relaying of

track, method of relaying of track, railway station,purpose,site selection,requirements,classification of

stations,yards,classification of yards, necessity of equipments, level crossing,signals,classification of

signals,interlocking,method of inter locking, Maintenance and drainage, classification of maintenance.

UNIT –VIII

Tunnels-Necessity of tunnels, classification of tunnels, shape of tunnels, cross section of tunnels,

surveying of tunnels, shafts, purpose of shafts, constructionofshafts, lining of tunnels, types of lining,

construction of lining and methods of lining. Maintenance and drainage of tunnels.