Highway Engineering Scanned Lecture Notes - Lakshana Edition

[Srini]

   

Highway Engineering Full Hand Written Lecture Notes from Reputed Institutions and Faculties. Useful for Civil Engineers , Specially for Candidates Appearing for GATE Exams.

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Content :
Introduction

National highway act
Classification of road
Length of the road 

Maximum utility system
1. Length of the road
2. Production
3. Population
Road pattern
Steps of engineering survey
GEOMETRIC DESIGN OF RURAL HIGHWAY

Elements
1. Cross section elements
2. Sight distance consideration
3. Horizontal alignment
4. Vertical alignment

ROAD MARGINS
1. Cycle track
2. Guard rail
3. Lay-byes
4. Drive ways
5. Shoulders
6. Footpath
SHOULDERS
Right of way
SIGHT DISTANCE
Overtaking sight distance
Intermediate sight distance
Attainment of super elevation
Design super elevation
Extra wideing
TRANSITION CURVE
Objective
Types of transition curve
Length of transition curve
Curve resistance
Setback resistance

VERTICAL ALIGNMENT
1. Gradient
a. Ruling gradient
b. Limiting gradient
c. Exception
d. Minimum gradient
2. Vertical curve
a. Summit curve
b. Valley curve
Length of valley curve

TRAFFIC ENGINEERING
1. Traffic characteristics
2. Traffic studies
3. Traffic central analysis

Method of measuring traffic volume
Representation of traffic volume data
Speed study
Spot speed study
Speed and delay study
ORIGIN AND DISTINATION STUDIES
Relation between traffic, volume, density and speed
SPACE HEADWAY AND TIME HEADWAY
Types of traffic capacity
ACCIDENT STUDIES
Types
Traffic control devices

Design of signal timing
1. Trial cycle method
2. Approximate method
3. IRC method
4. Webster method
Traffic signs

DESIGN OF ROTARY
INTERSECTION
HIGHWAY MATERIAL
Plate bearing test
Characterstics of load aggregate
Test for bitumen
Types of cut back bitumen
Types of emulsion
Types of tar
DESIGN OF PAVEMENT

Function of pavement layer
1. Soil sub grade
2. Sub base coarse
3. Surface coarse

DESIGN OF FLEXIBLE PAVEMENT
CBR METHOD
Temperature stress
Worst combination of stress
DESIGN OF JOINTS
DESIGN OF TIE BARS
Specification
DESIGN OF DOWEL BAR
PAVEMENT EVALUTION
Types of overlay
Reflection cracking

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