GUJARAT TECHNOLOGICAL UNIVERSITY - …mytoolbag.in/media/GTUPAPERS/1/2/CIVIL/S5/HE.pdf · Aggregate Impact Test. 5. Flakiness Index and Elongation Index Test for Aggregate. 6

GUJARAT TECHNOLOGICAL UNIVERSITY

CIVIL ENGINEERING (06)

HIGHWAY ENGINEERING

SUBJECT CODE: 2150601

B.E. 5thSEMESTER

Type of course: Compulsory

Prerequisite: Nil

Rationale: For the overall development of any country, road transportation plays an important role.

Efficient road network is necessary for safe, economic and timely conveyance of passengers and freight.

The study of this subject enables to impart knowledge to the civil engineering students about highway

planning; it’s geometric and structural design, methods of construction, quality control, traffic parameters,

traffic control, accident causes and remedies, maintenance and economy.

Teaching and Examination Scheme:

Teaching Scheme Credits Examination Marks Total

Marks L T P C Theory Marks Practical Marks

ESE

(E)

PA (M) ESE (V) PA

(I) PA ALA ESE OEP

3 0 2 5 70 20 10 20 10 20 150

Content:

Sr. No. Content Total

Hrs

% Weightage

1 Scope of highway engineering, Highway planning and development in

India, Classification of rural and urban roads, Road patterns, Planning

and alignment surveys.

4 10

2 Highway geometric design: Cross sectional elements – width, surface,

camber, Sight distances – SSD, OSD, ISD, HSD, Design of horizontal

and vertical alignment – curves, super-elevation, widening, gradients,

summit and valley curves

9 22

3 Highway materials: subgrade soil, aggregates, binder materials,

bituminous materials, bituminous paving mixes, cement and cement

concrete – their engineering and physical properties, basic tests.

7 16

4 Pavement design factors, Design of flexible (GI and CBR method) and

rigid pavements (fatigue concept), Construction of earthen, Gravel,

WBM, Bituminous, Cement concrete, RCC and Pre-stressed concrete

roads, Soil stabilized roads

7 16

5 Pavement failures, Maintenance, Surface and sub-surface drainage, Hill

roads – alignment, construction, drainage and maintenance. Road side

development – arboriculture, street lighting. Highway administration,

economics and finance, road safety audit

6 16

6 Traffic engineering: basic elements, road users - vehicles - traffic flow

characteristics, speed – volume studies, surveys, parking studies,

Accident studies: causes, collision and condition diagrams, preventive

measures, Traffic control: markings, signs, signals, intersections, rotaries.

9 20

Suggested Specification table with Marks (Theory):

Distribution of Theory Marks

R Level U Level A Level N Level E Level C Level

15 20 20 20 15 10

Legends: R: Remembrance; U: Understanding; A: Application, N: Analyze and E: Evaluate C: Create and

above Levels (Revised Bloom’s Taxonomy)

Note: This specification table shall be treated as a general guideline for students and teachers. The actual

distribution of marks in the question paper may vary slightly from above table.

Reference Books:

1. L.R. Kadiyali, “Highway Engineering”, Khanna Publishers, New Delhi.

2. L.R. Kadiyali, “Traffic Engineering and Transport Planning,” Khanna Publishers, New Delhi.

3. Dr. S.K. Khanna and Dr. C.E. G. Justo, “Highway Engineering”, Nem Chand & Bros., Roorkee.

4. S.K. Sharma, “Principles, Practice and Design of Highway Engineering”, S. Chand & Co., New Delhi.

5. IRC – 37 “Guidelines for Design of flexible Pavements”, IRC, New Delhi, 2001.

6. IRC – 67 “Code of Practice for Road Signs”, IRC, New Delhi – 2001.

7. IRC: 58, 2002: “Guidelines for the Design of Plain Jointed Rigid Pavements for Highways”, IRC, N.

Delhi, December, 2002.

Course Outcome:

After learning the course the students should be able to:

(1) Know about highway planning and its classification

(2) Carryout geometric design of highway

(3) Carryout laboratory tests on aggregates and bituminous materials

(4) Carryout preliminary design of flexible and rigid pavement

(5) Know about pavement failures, its maintenance, importance of drainage, hill roads and their challenges

(6) Carryout survey of classified traffic volume count and spot speed study on highway

(7) Know about importance and working of different traffic control devices.

List of Experiments:

1. Introduction to Highway Engineering Laboratory Equipment.

2. California Bearing Ratio (CBR) Test.

3. Aggregate crushing Test

4. Aggregate Impact Test.

5. Flakiness Index and Elongation Index Test for Aggregate.

6. Los Angeles Abrasion Test / Deval Abrasion Test

7. Marshall stability test on Bitumen mix.

8. Specific gravity and Water Absorption test for Aggregate.

9. Penetration test for Bitumen.

10. Softening point test for Bitumen.

11. Ductility test for Bitumen.

12. Flash and Fire Point test for Bitumen.

13. Specific gravity test for Bitumen

14. Viscosity Test for Bitumen.

Design based Problems (DP)/Open Ended Problem:

Below mentioned problems are for reference only. Similar problems may be developed by individual

teachers.

1. Conduct classified traffic volume study and spot speed study on busy rural highway or urban street

during peak hour to obtain the peak hour flow and design speed of a selected road section.

Major Equipment:

1. CBR testing machine

2. Los-Angeles abrasion testing machine

3. Aggregate Impact testing machine

4. Marshall stability testing machine

5. Bituminous material’s ductility testing machine

6. Standard penetrometer for bituminous materials

ACTIVE LEARNING ASSIGNMENTS: Preparation of power-point slides, which include videos,

animations, pictures, graphics for better understanding theory and practical work – The faculty will allocate

chapters/ parts of chapters to groups of students so that the entire syllabus to be covered. The power-point

slides should be put up on the web-site of the College/ Institute, along with the names of the students of the

group, the name of the faculty, Department and College on the first slide. The best three works should

submit to GTU.

Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY BE - SEMESTER–V (NEW) - EXAMINATION – SUMMER 2017

Subject Code: 2150601 Date: 12/05/2017 Subject Name: Highway Engineering Time: 02:30 PM to 05:00 PM Total Marks: 70 Instructions:

1. Attempt all questions. 2. Make suitable assumptions wherever necessary. 3. Figures to the right indicate full marks.

3

1


GUJARAT TECHNOLOGICAL UNIVERSITY BE - SEMESTER–V (NEW) - EXAMINATION – SUMMER 2016

Subject Code:2150601 Date:21/05/2016 Subject Name:Highway Engineering Time:02:30 PM to 05:00 PM Total Marks: 70 Instructions:


Q.1 (a) What are the advantages and disadvantages of road transport? 07

(b) Describe the various classifications of roads in India by Nagpur Road Plan. 07

Q.2 (a) Briefly explain the various requirements of an ideal highway alignment? 07

(b) Write short notes on:

i. Central Road Fund

ii. Central Road Research Institute

07

OR

(b) Explain camber. What are the objects of providing camber? Discuss the factors

on which amount of camber depends. Also show the various shapes of camber

with the help of neat sketch.

07

Q.3 (a) Draw a cross-section of road in embankment showing its all details. Also draw

a typical cross section of the road indicating the width of pavement, roadway

and land for a divided highway in urban area.

07

(b) Explain PIEV theory. Derive an expression for finding the stopping sight

distance at level and at grades. 07

OR

Q.3 (a) Derive an expression for calculating the overtaking sight distance on a highway. 07

(b) Calculate the super-elevation to be provided for a horizontal curve with a radius

of 400 m for a design speed of 100 kmph in plain terrain. Comment on the

results. What is the co-efficient of lateral friction mobilized if super-elevation is

restricted to 0.07?

07

Q.4 (a) Explain the desirable properties of aggregate to be used in different types of

pavement construction. Enlist the various tests to be conducted on aggregates. 07

(b) Explain with the help of sketches the requirements of joint filler and sealer.

Discuss the desirable properties and the various materials in use. 07

OR

Q.4 (a) What are the various tests carried out on bitumen? Explain ductility test. 07

(b) Briefly explain the various types of joints used in the construction of cement

concrete pavement with the help of neat sketch. 07

Q.5 (a) Explain the various types of failures in flexible pavement and their causes. 07

(b) What are the significance and requirements of highway drainage system? 07

OR

Q.5 (a) Explain with sketches how the sub-surface drainage system is provided to lower

the water table and control seepage flow. 07

(b) What are the environmental factors to be considered in planning and

development of highways? Which are the points to be considered for road side

development and arboriculture?

07

*************

1


GUJARAT TECHNOLOGICAL UNIVERSITY BE - SEMESTER–V(New) • EXAMINATION – WINTER 2016

Subject Code:2150601 Date:02/12/2016

Subject Name:Highway Engineering

Time: 10:30 AM to 01:00 PM Total Marks: 70 Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

Q.1 Answer the following questions in short: 14

1 Define highway engineering.

2 What do you mean by PMGSY & NTPC?

3 Define safe passing sight distance.

4 What is superelevation?

5 Define ruling gradient.

6 What do you mean by ADT?

7 Define highway capacity.

8 What is traffic density?

9 What is plate bearing test?

10 Define emulsion.

11 What do you mean by ESWL?

12 What is traffic control device?

13 What is surface drainage?

14 What is ‘PPP’?

Q.2 (a) State the objectives of preliminary survey in the highway alignment

projects.

03

(b) Explain star and grid pattern with advantages of it. 04

(c) State the objects of widening pavement on horizontal curves? What are

the factors on which the design of widening depends? 07

OR

(c) A radius of 250m has to be provided at a locality due to site restrictions

in a National Highway with design speed 100kmph.Design the super

elevation. Should there be any restriction in speed?

07

Q.3 (a) What is routine maintenance of highway? State the items included

under it. 03

(b) Explain the desirable properties of aggregates to be used in pavement

construction. 04

(c) What is a land slide and how it occurs on hill roads? State how

prevention of land slide can be done 07

OR

Q.3 (a) Explain briefly the basic principles of soil stabilization. 03

(b) State the desirable properties of bituminous mix for pavement surface

course. 04

(c) Describe step wise procedure of penetration test of bitumen. 07

Q.4 (a) State the functions of catch water drain. 03

(b) State the limitations of flexible pavements. 04

(c) Explain the basic principle of CBR method of pavement design. State

the advantages and disadvantages of it.

07

OR

Q.4 (a) State the factors affecting design and performance of rigid pavement. 03

(b) Explain how variation in moisture content affects flexible pavement

design.

04

2

(c) What is arboriculture? State the steps in operation of planting of trees

on road side development. 07

Q.5 (a) State the usefulness of spot speed studies with respect to traffic

engineering. 03

(b) State the factors affecting traffic stream flow characteristics. 04

(c) State the various measures of enforcement that may be useful to prevent

accidents on spots prone areas of road.

07

OR

Q.5 (a) State the advantages and disadvantages of an overpass. 03

(b) What are the various types of road markings and their uses? 04

(c) State the concept of PCU value and the factors affecting PCU values. 07

*************

1

Seat No.: ________ Enrolment

No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY BE – SEMESTER – V (NEW) EXAMINATION – WINTER 2015

Subject Code: 2150601 Date:17/12/ 2015

Subject Name: Highway Engineering

Time: 10:30am to 1:00pm Total Marks: 70 Instructions:




Q.1 (a) Describe Nagpur road plan with its salient features. 07

(b) Write short note on

(i) Central Road Research Institute(CRRI)

(ii) Central Road Fund (CRF).

07

Q.2 (a) Explain briefly the various stages of work in a new highway project. 07

(b) (i)Give IRC standard for carriageway width and formation width. 04

(ii) Calculate the value of (i) Head light sight distance (ii) Intermediate sight

distance for a highway with a design speed of 65 kmph. Take t = 2.5sec, f = 0.36

03

OR

(b) Explain curve resistance and compensation in gradient on horizontal curves. 07

Q.3 (a) Explain Total reaction time of driver. Explain PIEV Theory. 07

(b) Calculate the extra width of pavement required on a horizontal curve of radius 700

m on a two lane highway. The design speed being 80 kmph. Assume wheel base is

6 m.

07

OR

Q.3 (a) Explain desirable properties of bituminous mix. 07

(b) Difference between flexible and Rigid pavement. 07

Q.4 (a) Explain Particle size classification as per IS. 07

(b) Describe Plate load test with figure. 07

OR

Q.4 (a) List out various properties of aggregate. Explain flakiness and elongation index test

of aggregate.

07

(b) Explain subsurface drainage system with transverse drain with neat sketch. 07

Q.5 (a) Write short note on ESWL. 07

(b) Explain various types of failures in Cement concrete pavements & their causes. 07

OR

Q.5 (a) Draw neat sketches (i) Clover leaf interchange (ii) Rotary Interchange (ii)

Diamond Interchange.

07

(b) Show the conflict point at the intersection of the following types

(i) Cross roads, both two-way

(ii) Cross roads, one way

07

*************

1


GUJARAT TECHNOLOGICAL UNIVERSITY BE - SEMESTER–V (OLD) - EXAMINATION – SUMMER 2017



Q.1 (a) Explain the following (i) Jayakar committee recommendations (ii) National

highway act.

07

(b) What are the policies and goals of the third twenty year road development plan

for 1981-2001?

07

Q.2 (a) Discuss the special considerations while aligning roads in hilly areas. 07

(b) Explain briefly the important factors which control the geometric elements of

highways.

07

OR

(b) Explain PIEV theory. Calculate the head light sight distance and intermediate sight distance required for the road having design speed 70 kmph, coefficient of friction as 0.4 and reaction time of the driver as 2.0 secs.

07

Q.3 (a) Explain the function of subgrade. State how the modulus of subgrade reaction,

K is determined.

07

(b) State the characteristics of good road aggregate. Describe the procedure of

aggregate impact index test.

07

OR

Q.3 (a) Explain briefly road emulsion and cutback. 07

(b) Explain briefly the Marshall method of bituminous mix design. 07

Q.4 (a) What are design factors for highway lighting? Discuss any two. 07

(b) State the steps adopted for the construction of the WBM road. 07 OR

Q.4 (a) What is arboriculture? Explain the method of planting trees on road-side. 07

(b) State the methods of subsurface drainage? Explain with neat sketch, subsurface

drainage system with transverse drain.

07

Q.5 (a) Explain briefly factors which affect human characteristics for a high speed road. 07

(b) Discuss briefly the different causes of traffic accidents. 07

OR

Q.5 (a) State the need for off-street parking facility. Explain briefly the types of off-

street parking.

07

(b) State the advantages and disadvantages of grade separated intersections. 07

*************

1


GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER– V • EXAMINATION – WINTER 2016

Subject Code: 150601 Date: 30/11/2016


Time: 10:30AM – 01:00PM Total Marks: 70 Instructions:




4. Draw neat sketch / figure where ever necessary

Q.1 (a) Draw cross section of road showing its components and write functions of each. 07

(b) Two vehicles are approaching from opposite directions at 100 and 80 kmph.

Calculate minimum site distance required to avoid head on collision. Assuming

reaction time as 2 sec, coefficient of friction as 0.80 and the brake efficiency is

50 %.

07

Q.2 (a) Define road alignment and explain factors affecting road alignment. 07

(b) What is aerial survey? Write uses of aerial surveys. 07

OR

(b) Write requirements of good alignment. 07

Q.3 (a) What are the principles of highway planning? 07

(b) What is IRC and what are the main functions of IRC ? 07

OR

Q.3 (a) Explain with sketch “widening of road on curves”. 07

(b) Calculate extra widening required on curve for a pavement of width 7 m on

horizontal curve of radius 300 m. The largest wheel base of vehicle expected on

the road is 8.0m. Design speed id 80 kmph.

07

Q.4 (a) Draw plasticity chart and explain classification of fine grained soil using

plasticity chart.

07

(b) Write note on “Group Index of soil” 07 OR

Q.4 (a) Enlist physical tests on aggregates and narrate procedure for water absorption

test of aggregates.

07

(b) Describe Flash and Fire point test of bitumen. 07

Q.5 (a) Explain with sketch various deficiencies in the flexible pavement. 07

(b) CBR value of sub grade soil is 6 %. Calculate total thickness of a pavement

using design formula developed by U.S. corps of highway engineers.

Take wheel load = 4100 kg and tyre pressure = 6 kg/cm2

07

OR

Q.5 (a) List methods of traffic surveys and explain any one method in detail. 07

(b) What are the objectives of road side arboriculture? 07

*************

1


GUJARAT TECHNOLOGICAL UNIVERSITY BE - SEMESTER–V- EXAMINATION – SUMMER 2016



Q.1 (a) Define highway alignment. Discuss briefly the basic requirements of an ideal road alignment.

07

(b) Explain the necessity and objects of highway planning. 07 Q.2 (a) What are the objects of providing transition curves on the horizontal alignment

highways? Explain it. 07

(b) The design speed of a highway is 80 kmph. There is a horizontal curve of radius 200 m on a certain locality. Calculate the superelevation needed to maintain this speed. If the max superelevation on this horizontal curve as it is not possible to increase the radius. Safe limit of transverse coefficient of friction is 0.15.

07

OR (b) Calculating the extra width of pavement required on a horizontal curve of radius

700m on a two lane highway, the design speed being 80 kmph. Assume wheel base l=6m.

07

Q.3 (a) Differentiate between bitumen and tar. 07 (b) What are advantages and Disadvantages of Bituminous roads? 07 OR

Q.3 (a) State the procedure adopted for the construction of the Earth road. 07 (b) Distinguish between rigid and flexible pavement 07

Q.4 (a) Explain longitudinal drains with neat sketch. 07

(b) Define land slide. State its types and its causes. 07 OR

Q.4 (a) State the various operations for planting of trees on road side development. 07

(b) Explain in detail the PPP model of highway financing in India. 07

Q.5 (a) State the advantages and disadvantages of traffic rotary. 07 (b) What are the advantages and disadvantages of traffic signals? Briefly explain

various types of traffic signals. 07

OR Q.5 (a) Explain Spot speed, Running speed and Journey speed. How the spot speed

study is carried out? 07

(b) Explain the road user characteristics. 07

*************

1


GUJARAT TECHNOLOGICAL UNIVERSITY BE - SEMESTER–V EXAMINATION – WINTER 2015

Subject Code: 150601 Date:15/12/2015


Time: 10:30am to 1:00pm Total Marks: 70 Instructions:




Q.1 (a) Explain briefly about Third Twenty Year Road Development Plan of India. 07

(b) Discuss briefly about the road user characteristics and their effects in traffic

performance.

07

Q.2 (a) Derive an expression for finding the stopping sight distance at level and at grade

on highway.

07

(b) What are the desirable properties of subgrade soil? Briefly describe CBR test

procedure for laboratory test.

07

OR

(b) Discuss about various problems in hill road construction and how they are

overcome.

07

Q.3 (a) Briefly explain the engineering surveys needed for deciding new alignment of

highway.

07

(b) Design the super elevation required at a horizontal curve of radius 340m for

speed of 80 kmph. Assume suitable data.

07

OR

Q.3 (a) Explain with sketch Los-Angeles abrasion test for aggregates. 07

(b) An ascending gradient of 1 in 100 meets a descending gradient of 1 in 150.

Design a summit curve for a speed of 80 kmph so as to have an overtaking sight

distance of 480m.

07

Q.4 (a) Explain with sketch Softening point test for bitumen. 07

(b) What are the objects of camber? Describe with neat sketches the methods of

eliminating camber and introduction of super elevation.

07

OR

Q.4 (a) Discuss with sketch spot-speed survey by enoscope. 07

(b) Suggest and describe suitable method of stabilization of Black-cotton soil for

road construction.

07

Q.5 (a) Discuss the importance of highway drainage. Briefly explain with sketch sub-

surface drainage system with transverse drains.

07

(b) Differentiate between flexible and rigid pavements. What are the various factors

to be considered in pavement design?

07

OR

Q.5 (a) Write a short note on road side Arboriculture. 07

(b) Explain with sketches mandatory signs and warning signs to control the traffic. 07

*************

1


GUJARAT TECHNOLOGICAL UNIVERSITY BE - SEMESTER–V • EXAMINATION – SUMMER • 2015

Subject Code: 150601 Date: 02/05/2015


Time: 02.30 pm – 5.00 pm Total Marks: 70 Instructions:




Q.1 (a) Discuss about various road authorities working in highway planning and

development in India and principles of highway planning.

07

(b) What is the importance of highway drainage? Explain with sketches surface

drainage systems for rural highways and urban roads.

07

Q.2 (a) Explain the necessity of soil investigations and subsoil exploration. 07

(b) Explain PIEV theory. The speeds of overtaking and overtaken vehicles are 90

and 70 kmph respectively. If the acceleration of the overtaking vehicle is 2.5

kmph per second. Calculate the safe passing sight distance for

i) One way traffic. ii) Two way traffic.

07

OR

(b) Find the SSD for a design speed of 80 kmph. Assume suitable data. What are

SSD requirements at a gradient of 1 in 30 for the same design speed?

07

Q.3 (a) Describe the procedure of flakiness index test and elongation index test. 07

(b) An ascending gradient 1 in 100 meets a descending gradient 1 in 120. A summit

curve is to be designed for speed of 80 kmph. So as to have an overtaking sight

distance of 450 m.

07

OR

Q.3 (a) Discuss the desirable properties of bitumen and Explain the penetration test. 07

(b) Enlist the component parts of road pavement with neat sketch. Explain each

component of road pavement in detail.

07

Q.4 (a) Discuss about advantages of bituminous roads and maintenance of bituminous

surfaces.

07

(b) Discuss about Built Operate Transfer (B.O.T) 07

OR

Q.4 (a) Enlist various components of highway. Sketch cross section of divided highway

in urban area.

07

(b) Discuss the maintenance problems in Hill Roads. 07

Q.5 (a) Discuss about Road arboriculture and Street lighting. 07

(b) Explain various methods of on street parking. 07

OR

Q.5 (a) What are the advantages and disadvantages of traffic signals? Briefly explain

various types of traffic signals.

07

(b) Discuss about traffic islands and types of intersections. 07

*************

1


GUJARAT TECHNOLOGICAL UNIVERSITY BE - SEMESTER–V • EXAMINATION – WINTER • 2014

Subject Code: 150601 Date: 26-11-2014


Time: 10.30 am - 01.00 pm Total Marks: 70 Instructions:




Q.1 (a) The area of a district in Gujarat state is 14000sq.km. There are 12 towns as

per 2011 census. Determine the lengths of different categories of road to be

provided in district.

07

(b) Discuss about various road authorities working in highway planning and

development in India.

07

Q.2 (a) Discuss about various surveys to be carried out for finalization of highway

alignment during highway project planning.

07

(b) (I) In the Marshall method of mix design, the coarse aggregate, fine

aggregate, filler and bitumen having respective specific gravities of 2.62, 2.72,

2.70 and 1.02 are mixed in the ratio of 55, 34.6, 4.8 and 5.6 percent

respectively. What will be theoretical specific gravity of the mix?

03

(II) A subgrade soil sample was tested using standard CBR test apparatus

and observations are given below.

LOAD in Kg PENETRATION in mm

60.5 2.5

80.5 5.0

04

Assume that the load penetration curve is convex through out. What will be the

CBR value in % for the given sample?

OR

(b) The speeds of overtaking and overtaken vehicles on a highway are 85 kmph

and 70 kmph respectively. Calculate OSD needed for two way traffic.

Acceleration of the overtaking vehicle is 2.5 kmph/sec. Speed of the vehicle in

the opposite direction as 85 kmph. PIEV time is 2.0 sec.

07

Q.3 (a) What is carriageway? Write recommended width of carriageway as per IRC.

Also, write width of roadway for NH, SH and MDR.

07

(b) What is camber? Sketch different types of camber. Also write recommended

values of camber as per IRC for C.C. and Bituminous surface.

07

OR

Q.3 (a) 1. Calculate superelevation for highway curve of 450m radius for 125

km/hr speed. There is mixed traffic condition.

2. Calculate mechanical widening required on a horizontal pavement of a

7.0 m width. Longest wheel base of vehicle is 7.0 m. Radius of

horizontal curve is 250m.

03

04

(b) Explain penetration test for bitumen with procedure of sample preparation and

aim of the test with the name of apparatus and sketch.

07

2

Q.4 (a) Write in brief about: 1. Road safety audit.

2. Highway lighting.

07

(b) Explain about road arboriculture as roadside development. 07

OR

Q.4 (a) Write in brief about:

1. Catch water drain.

2. Prevention of landslide on hill roads.

04

03

(b) Explain procedure and importance of Shape test for coarse aggregate with

name of apparatus used for it.

07

Q.5 (a) What is the need of parking study? Explain methods of parking with sketch. 07

(b) What is the need of volume study? Explain methods of traffic volume study. 07

OR

Q.5 (a) Discuss about roaduser characteristics. 07

(b) Discuss about traffic signs with need, location and types with sketches. 07

*************

1


GUJARAT TECHNOLOGICAL UNIVERSITY BE - SEMESTER–V • EXAMINATION – SUMMER • 2014







Q.1 (a) Explain the following (i) Central Road Fund (ii) Indian Road Congress. 07

(b) The following data were collected for planning the road development programme

of a district.

(i) Total area = 9600 km2.

(ii) Agricultural and developed area = 3200 km2

(iii) Existing railway track length = 105 km.

(iv) Existing length of metalled road = 322 km

(v) Existing length of unmetalled road = 450 km.

(vi) Numbers of towns of villages in different population ranges are as below.

Population > 5000 2001 - 5000 1001 -2000 501 - 1000 < 500

Number of

villages and

towns

8 40 130 280 590

Calculate the additional lengths of metalled and unmetalled roads for the road

system based on Nagpur Road Plan formulae for this district.

07

Q.2 (a) Explain with sketches the various factors controlling the alignment of roads. 07

(b) Write short note on (i) Carriage way (ii) Width of roadway. 07

OR

(b) Draw a typical cross section of the following roads (i) M.D.R in embankment (ii)

National Highway in embankment in rural area.

07

Q.3 (a) The speed of Overtaking and overtaken vehicles are 70 and 40 kmph respectively

on a two way traffic road. If the acceleration of overtaking vehicle is 0.99 m/sec2.

Calculate safe overtaking sight distance. Adopt t = 2.0 sec.

07

(b) Discuss various factors affecting on subgrade soil strength. 07

OR

Q.3 (a) Compare tar and bitumen. Explain softening point test on bitumen. 07

(b) Explain Joint Filler and Sealer with sketches. 07

Q.4 (a) What are the methods of subsurface drainage? Explain subsurface drainage system

with transverse drain with neat sketch.

07

(b) Discuss various types of curves in alignment of hill roads. 07

OR

Q.4 (a) What are design factors for highway lighting? Discuss any two. 07

(b) Explain protective works for hill roads. 07

Q.5 (a) What are different vehicular characteristics which affect in road design? Briefly

explain.

07

(b) Draw neat Sketches of various types of interchanges. 07

2

OR

Q.5 (a) Define: Traffic volume, Traffic density, Time-mean speed, Space-mean speed,

Journey speed, Running Speed, Spot speed.

07

(b) What are the purposes of parking studies? Explain method of on street parking. 07

*************

1


GUJARAT TECHNOLOGICAL UNIVERSITY BE - SEMESTER–V • EXAMINATION – WINTER 2013







Q.1 (a) Explain phase wise developments of National Highway Projects. 07

(b) (i) Give classification of Urban roads 03

(ii) Give classification of highways according to Nagpur Road Plan 04

Q.2 (a) Define highway alignment. What are the requirements of ideal alignment of

road?

07

(b) (1) Define :

(i) Right of way (ii) Roadway width (iii) Carriage way (iv) Shoulder

(2) Explain IRC and CRRI.

04

03

OR

(b) (1) Draw a typical cross section of National Highway in embankment with

dimensions as per IRC.

04

(2) Draw the sketch of sight distance at cross road. 03

Q.3 (a) Give classification of soil according to Highway Research Board. 07

(b) Describe the step wise procedure of finding Specific Gravity of Aggregates.

OR

Q.3 (a) Explain PIEV theory. Calculate the extra width of pavement required on

horizontal curve of radius 700 m on two lane highway. The design speed is

80 kmph. Assume l = 6 m.

07

(b) Draw the sketch of flexible pavement and rigid pavement with description of

components.

07

Q.4 (a) What is design speed? Determine permissible speed on curve having radius

135 m with super elevation 12%. Coefficient of friction is 0.14.

07

(b) Describe the step wise construction procedure of bitumen carpet road. 07 OR

Q.4 (a) (1) Give classification of maintenance operation of roads.

(2) Describe the maintenance of bituminous road.

03

04

Q.4 (b) (1) What is the necessity of surface drainage?

(2) Draw the sketch of hill road showing its component.

03

04

Q.5 (a) (1) What are the purposes of Arboriculture?

(2) Explain PPP mode in context to road administration.

03

04

(b) Differentiate between road safety audit & road safety review. 07

OR

Q.5 (a) (1) What are the objectives of speed studies?

(2) Define – Running Speed, Spot Speed, Journey Speed,

Space Mean Speed

03

04

(b) Distinguish between Traffic Sign and Traffic Signal. Draw the sketch of

Regulatory sign vertical post and Warning sign vertical post with dimension

07

*************

1/1


GUJARAT TECHNOLOGICAL UNIVERSITY BE - SEMESTER–V • EXAMINATION – SUMMER 2013

Subject Code: 150601 Date: 14-05-2013 Subject Name: Highway Engineering Time: 10.30 am - 01.00 pm Total Marks: 70 Instructions:


Q.1 (a) Explain the objects of highway planning. State the basic principles of planning to meet the objectives.

07

(b) State to explain the general points which need to be considered for ideal location of bridges.

07

Q.2 (a) Calculate the maximum permissible speed on a horizontal curve of

radius 125 m of a highway designed for a speed of 65 km/hr to carry mixed traffic, if the super elevation is not too exceed 7 percent.

07

(b) Discuss the factors to be considered in deciding the sight distance at intersection.

07

OR (b) Explain with the aid of neat sketches the methods of eliminating

camber and introduction of super elevation. 07

Q.3 (a) Discuss the need for off-street parking. Explain briefly the types of off-

street parking facilities. 07

(b) What are the various types of traffic markings commonly used? What are the uses of each?

07

OR Q.3 (a) Explain various measures for the reduction in accident rates. 07

(b) Indicate how the traffic volume data are presented and the results used in traffic engineering.

07

Q.4 (a) Define cutback bitumen. State different types of cutbacks. When are

these used? Enlist the tests carried out on cutback bitumen. 07

(b) State the stepwise method of construction of gravel road. 07 OR

Q.4 (a) Explain the plate bearing test procedure carried out on subgrade soil. 07 (b) State the necessity of maintenance of roads. Explain briefly the

classification of maintenance operation. 07

Q.5 (a) What is a land slide and how it occurs on hill roads? State how

prevention of land slide can be done. 07

(b) State the difference between road safety reviews and road safety audit. 07 OR

Q.5 (a) Define catch water drain. State the functions of it with neat labeled sketch in hilly areas.

07

(b) Discuss the important factors which are to be considered in the design of highway lighting.

07

*************

Documents

GUJARAT TECHNOLOGICAL UNIVERSITY - …mytoolbag.in/media/GTUPAPERS/1/2/CIVIL/S5/HE.pdf · Aggregate Impact Test. 5. Flakiness Index and Elongation Index Test for Aggregate. 6