Instructions:
- The marks are indicated in the right-hand margin.
- There are NINE questions in this paper.
- Attempt FIVE questions in all.
- Question No. 1 is compulsory.
Q.1 Choose the correct answer of the following (Any seven questions
only):
The particular places where pedestrians are to cross the pavement are properly marked by the pavement marking known as
As per the Nagpur plan, the un-surfaced roads were meant for
MORTH stands for
Highway facilities are designed for
In CBR test the value of CBR is calculated at
If aggregate impact value is 20-30 percent, then it is classified as
Tie bars in cement concrete pavements are at
As per IRC recommendations, the maximum limit of superelevation for mixed traffic in plain terrain is
Rigidity factor for a tyre pressure greater than $ 7 \text{ kg/cm}^2 $ is
Desire Lines are plotted in
Q.2 Solve both questions :
Define highway alignment. What are the factors affecting highway alignment?
Briefly outline the various road patterns commonly in use.
Q.3 Solve both questions :
What is camber and why it is to be provided for a road surface? Explain different types of camber in pavement with suitability of each as per traffic type.
Calculate the length of transition curve using the following data: Design speed = 70 kmph, Radius of circular curve = 200m, Pavement width including extra widening = 7.5m, Allowable rate of introduction of superelevation (pavement rotated about the centre line) 1 in 150.
Q.4 Solve both questions :
Explain briefly about various factors which affect the:
(i) Road User Characteristics
(ii)
Vehicular Characteristics
What is traffic volume? Enumerate the different methods of carrying out traffic volume studies.
Q.5 Solve both questions :
Calculate the length of stopping sight distance for two way traffic in a single lane road. The design speed is 80 kmph. Coefficient of friction is 0.6. Calculate for sloping road with (i) Ascending slope of 2% (ii) Descending slope of 3%.
Describe briefly about PIEV theory.
Q.6 Solve both questions :
The radius of a horizontal circular curve is 100m. The design speed is 50 kmph and the design Coefficient of lateral friction is 0.15. Calculate the superelevation required if full lateral friction is assumed to develop.
Explain briefly about different types of transition curves commonly adopted.
Q.7 Solve this question :
Define the following terms:
(i) Space-mean speed
(ii) Time-mean speed
(iii) Traffic
Island
(iv) Passenger car unit (PCU)
(v) Traffic capacity
(vi) $ 30^{\text{th}} $
highest hourly volume
(vii) Jam Density
Q.8 Solve both questions :
What are the different types of bituminous materials used in road construction? Under what circumstances each of these materials are preferred?
Differentiate between flexible pavements and rigid pavements clearly outlining the advantages and disadvantages of both.
Q.9 Write short notes on any two of the following:-
Joints in Cement Concrete pavements
Prime Coat and Tack Coat
Extra Widening in Horizontal Curves
Floating Car Method of Speed Delay Study
Instructions:
- The marks are indicated in the right-hand margin.
- There are NINE questions in this paper.
- Attempt FIVE questions in all.
- Question No. 1 is compulsory.
Q.1 Choose the correct answer of the following (Any seven questions
only):
The particular places where pedestrians are to cross the pavement are properly marked by the pavement marking known as
As per the Nagpur plan, the un-surfaced roads were meant for
MORTH stands for
Highway facilities are designed for
In CBR test the value of CBR is calculated at
If aggregate impact value is 20-30 percent, then it is classified as
Tie bars in cement concrete pavements are at
As per IRC recommendations, the maximum limit of superelevation for mixed traffic in plain terrain is
Rigidity factor for a tyre pressure greater than $ 7 \text{ kg/cm}^2 $ is
Desire Lines are plotted in
Q.2 Solve both questions :
Define highway alignment. What are the factors affecting highway alignment?
Briefly outline the various road patterns commonly in use.
Q.3 Solve both questions :
What is camber and why it is to be provided for a road surface? Explain different types of camber in pavement with suitability of each as per traffic type.
Calculate the length of transition curve using the following data: Design speed = 70 kmph, Radius of circular curve = 200m, Pavement width including extra widening = 7.5m, Allowable rate of introduction of superelevation (pavement rotated about the centre line) 1 in 150.
Q.4 Solve both questions :
Explain briefly about various factors which affect the:
(i) Road User Characteristics
(ii)
Vehicular Characteristics
What is traffic volume? Enumerate the different methods of carrying out traffic volume studies.
Q.5 Solve both questions :
Calculate the length of stopping sight distance for two way traffic in a single lane road. The design speed is 80 kmph. Coefficient of friction is 0.6. Calculate for sloping road with (i) Ascending slope of 2% (ii) Descending slope of 3%.
Describe briefly about PIEV theory.
Q.6 Solve both questions :
The radius of a horizontal circular curve is 100m. The design speed is 50 kmph and the design Coefficient of lateral friction is 0.15. Calculate the superelevation required if full lateral friction is assumed to develop.
Explain briefly about different types of transition curves commonly adopted.
Q.7 Solve this question :
Define the following terms:
(i) Space-mean speed
(ii) Time-mean speed
(iii) Traffic
Island
(iv) Passenger car unit (PCU)
(v) Traffic capacity
(vi) $ 30^{\text{th}} $
highest hourly volume
(vii) Jam Density
Q.8 Solve both questions :
What are the different types of bituminous materials used in road construction? Under what circumstances each of these materials are preferred?
Differentiate between flexible pavements and rigid pavements clearly outlining the advantages and disadvantages of both.
Q.9 Write short notes on any two of the following:-
Joints in Cement Concrete pavements
Prime Coat and Tack Coat
Extra Widening in Horizontal Curves
Floating Car Method of Speed Delay Study
Instructions:
- The marks are indicated in the right-hand margin.
- There are NINE questions in this paper.
- Attempt FIVE questions in all.
- Question No. 1 is compulsory.
Q.1 Choose the correct option/answer the following (any seven questions
only):
What is the maximum value of CBR and minimum value of G I of any material, respectively
Which one of the following methods is used in the design of rigid pavement?
As per latest IRC guidelines for designing flexible pavement of CBR method, the load parameter required is
Bituminous material is used in highway construction primarily because of them
The maximum number of cities and towns are connected by which type of highway?
The surveys of highway alignment are completed in how many stages?
The motor vehicle act was revised in
The total conflict points at a junction on both two-way roads are?
Which type of board should be installed if the speed limit is 100kmph?
Choose correct order (ascending) according to width is
Q.2 Solve both questions :
What are the salient features of the Bombay Road development Plan? How it differs from Nagpur Plan?
Discuss the Various failure of Rigid and Flexible Pavement
Q.3 Solve both questions :
List and explain the desirable properties of road aggregate. State the test conducted for each property?
With a neat sketch, explain impact test?
Q.4 Solve this question :
Find out OSD required for a design speed of 80 kmph for a 2-lane and 2-way traffic road. Assume $ a=1.6 \text{ kmph/sec} $ calculate and draw sketch showing overtaking zone. Explain with a neat sketch sight distance criteria at an uncontrolled intersection.
Q.5 Solve both questions :
What are the various gradients used in Highway? What do you understand by Grade compensation?
Explain factors affecting sight distance on a road and also explain PIEV theory briefly
Q.6 Write short notes on the following:-
Javakar committee
Webster method
Aggregate Crushing test
Testing of Bitumen
Q.7 Solve both questions :
With the help of neat sketches, explain mud-Pumping in cement concrete pavement.
What are the factors affecting the design of rigid pavement?
Q.8 Solve this question :
Design the thickness of pavement layer, base course, Sub-Base course are to be provided having 'E' value $ 400 \text{ kg/cm}^2 $ and $ 200 \text{ kg/cm}^2 $. Assuming the pavement consists of a single layer.
Q.9 Solve both questions :
What is a power shovel? With a neat sketch, Explain its operation and application.
Explain the preparation and specification of stability test by Marshall method.
Instructions:
- The marks are indicated in the right-hand margin.
- There are NINE questions in this paper.
- Attempt FIVE questions in all.
- Question No. 1 is compulsory.
Q.1 Choose the correct option/answer the following (any seven questions
only):
What is the maximum value of CBR and minimum value of G I of any material, respectively
Which one of the following methods is used in the design of rigid pavement?
As per latest IRC guidelines for designing flexible pavement of CBR method, the load parameter required is
Bituminous material is used in highway construction primarily because of them
The maximum number of cities and towns are connected by which type of highway?
The surveys of highway alignment are completed in how many stages?
The motor vehicle act was revised in
The total conflict points at a junction on both two-way roads are?
Which type of board should be installed if the speed limit is 100kmph?
Choose correct order (ascending) according to width is
Q.2 Solve both questions :
What are the salient features of the Bombay Road development Plan? How it differs from Nagpur Plan?
Discuss the Various failure of Rigid and Flexible Pavement
Q.3 Solve both questions :
List and explain the desirable properties of road aggregate. State the test conducted for each property?
With a neat sketch, explain impact test?
Q.4 Solve this question :
Find out OSD required for a design speed of 80 kmph for a 2-lane and 2-way traffic road. Assume $ a=1.6 \text{ kmph/sec} $ calculate and draw sketch showing overtaking zone. Explain with a neat sketch sight distance criteria at an uncontrolled intersection.
Q.5 Solve both questions :
What are the various gradients used in Highway? What do you understand by Grade compensation?
Explain factors affecting sight distance on a road and also explain PIEV theory briefly
Q.6 Write short notes on the following:-
Javakar committee
Webster method
Aggregate Crushing test
Testing of Bitumen
Q.7 Solve both questions :
With the help of neat sketches, explain mud-Pumping in cement concrete pavement.
What are the factors affecting the design of rigid pavement?
Q.8 Solve this question :
Design the thickness of pavement layer, base course, Sub-Base course are to be provided having 'E' value $ 400 \text{ kg/cm}^2 $ and $ 200 \text{ kg/cm}^2 $. Assuming the pavement consists of a single layer.
Q.9 Solve both questions :
What is a power shovel? With a neat sketch, Explain its operation and application.
Explain the preparation and specification of stability test by Marshall method.
Instructions:
- The marks are indicated in the right-hand margin.
- There are NINE questions in this paper.
- Attempt FIVE questions in all.
- Question No. 1 is compulsory.
Q.1 Choose the correct option/answer of the following (Any seven questions
only):
The star and grid pattern of road network was adopted in
The desirable camber for straight roads with water bound macadam or gravel surface, is
IRC recommends the use of ___ curve as transition curve
The weaving length of a roadway is the distance
Total parking demand is determined by which traffic study?
Regulatory signs are generally circular in shape, identify a regulatory sign which is NOT circular in shape
The speed and delay studies on a defined section of highway are conducted by
The penetration test for bitumen is conducted at a temperature of
The dowels bars are used in rigid pavements for
Bitumen of grade 80/100 means
Q.2 Solve both questions :
Differentiate between flexible and rigid pavement.
Using the data given below, calculate the wheel load stresses at (a) interior (b) edge and (c)
corner
regions of a cement concrete pavement using Westergaard's stress equations. Also determine the
probable location where the crack is likely to develop due to corner loading.
Wheel load, $ P = 5100 \text{ Kg} $
Modulus of elasticity of cement concrete, $ E = 3.1 \times 10^5 \text{ kg/cm}^2 $
Pavement thickness, $ h = 15 \text{ cm} $
Poisson's ratio of concrete, $ \mu = 0.15 $
Modulus of subgrade reaction, $ K = 6.0 \text{ kg/cm}^3 $
Radius of contact area, $ a = 15 \text{ cm} $
Q.3 Solve both questions :
On a two-way traffic road, the speeds of overtaking vehicles are 65 km/hr and 40 km/hr. If the average acceleration is $ 0.92 \text{ m/s}^2 $. Determine the overtaking sight distance indicating the details of overtaking operations. Show the minimum length of overtaking zone and details of overtaking zone by a neat sketch.
A valley curve of a state highway is formed by a descending gradient of 1 in 20 meeting an ascending gradient of 1 in 30. Design the length of a valley curve to fulfil both comfort condition and headlight sight distance required for a design speed of 80 km/hr. Assume allowance rate of change of centrifugal acceleration $ C = 0.60 \text{ m/s}^3 $. Suggest the best suitable shape of the valley curve. Consider reaction time $ t = 2.5 \text{ sec} $ and coefficient of friction = 0.35.
Q.4 Solve both questions :
Explain the factors affecting sight distances.
The driver of a vehicle travelling 60 km/hr up a gradient requires 9 m less to stop after he applies brakes, as compared to a driver travelling at same speed, down the same gradient. Given, $ f = 0.40 $. What is the present gradient?
Q.5 Solve all questions :
Explain various road patterns in detail with neat sketches.
Q.6 Solve all questions :
Explain total reaction of driver and the factors on which it depends.
Explain PIEV theory.
Write a note on factors affecting friction offered by Pavement surface.
Q.7 Solve all questions :
Compare tar and bitumen.
List the various tests carried out on bitumen.
Explain the desirable properties of aggregate to be used in different types of pavement construction.
Q.8 Solve both questions :
Discuss the advantages and limitations of CBR method of design for flexible pavement.
Discuss the critical combination of stresses due to wheel load and temperature effects.
Q.9 Write short notes on any four of the following:
Kerb Parking.
Design factors of highway lighting
ESWL.
Traffic islands
Off Tracking.
Super elevation
Instructions:
- The marks are indicated in the right-hand margin.
- There are NINE questions in this paper.
- Attempt FIVE questions in all.
- Question No. 1 is compulsory.
Q.1 Choose the correct option/answer of the following (Any seven questions
only):
The star and grid pattern of road network was adopted in
The desirable camber for straight roads with water bound macadam or gravel surface, is
IRC recommends the use of ___ curve as transition curve
The weaving length of a roadway is the distance
Total parking demand is determined by which traffic study?
Regulatory signs are generally circular in shape, identify a regulatory sign which is NOT circular in shape
The speed and delay studies on a defined section of highway are conducted by
The penetration test for bitumen is conducted at a temperature of
The dowels bars are used in rigid pavements for
Bitumen of grade 80/100 means
Q.2 Solve both questions :
Differentiate between flexible and rigid pavement.
Using the data given below, calculate the wheel load stresses at (a) interior (b) edge and (c)
corner
regions of a cement concrete pavement using Westergaard's stress equations. Also determine the
probable location where the crack is likely to develop due to corner loading.
Wheel load, $ P = 5100 \text{ Kg} $
Modulus of elasticity of cement concrete, $ E = 3.1 \times 10^5 \text{ kg/cm}^2 $
Pavement thickness, $ h = 15 \text{ cm} $
Poisson's ratio of concrete, $ \mu = 0.15 $
Modulus of subgrade reaction, $ K = 6.0 \text{ kg/cm}^3 $
Radius of contact area, $ a = 15 \text{ cm} $
Q.3 Solve both questions :
On a two-way traffic road, the speeds of overtaking vehicles are 65 km/hr and 40 km/hr. If the average acceleration is $ 0.92 \text{ m/s}^2 $. Determine the overtaking sight distance indicating the details of overtaking operations. Show the minimum length of overtaking zone and details of overtaking zone by a neat sketch.
A valley curve of a state highway is formed by a descending gradient of 1 in 20 meeting an ascending gradient of 1 in 30. Design the length of a valley curve to fulfil both comfort condition and headlight sight distance required for a design speed of 80 km/hr. Assume allowance rate of change of centrifugal acceleration $ C = 0.60 \text{ m/s}^3 $. Suggest the best suitable shape of the valley curve. Consider reaction time $ t = 2.5 \text{ sec} $ and coefficient of friction = 0.35.
Q.4 Solve both questions :
Explain the factors affecting sight distances.
The driver of a vehicle travelling 60 km/hr up a gradient requires 9 m less to stop after he applies brakes, as compared to a driver travelling at same speed, down the same gradient. Given, $ f = 0.40 $. What is the present gradient?
Q.5 Solve all questions :
Explain various road patterns in detail with neat sketches.
Q.6 Solve all questions :
Explain total reaction of driver and the factors on which it depends.
Explain PIEV theory.
Write a note on factors affecting friction offered by Pavement surface.
Q.7 Solve all questions :
Compare tar and bitumen.
List the various tests carried out on bitumen.
Explain the desirable properties of aggregate to be used in different types of pavement construction.
Q.8 Solve both questions :
Discuss the advantages and limitations of CBR method of design for flexible pavement.
Discuss the critical combination of stresses due to wheel load and temperature effects.
Q.9 Write short notes on any four of the following:
Kerb Parking.
Design factors of highway lighting
ESWL.
Traffic islands
Off Tracking.
Super elevation
Instructions:
- The marks are indicated in the right-hand margin.
- There are NINE questions in this paper.
- Attempt FIVE questions in all.
- Question No. 1 is compulsory.
Q.1 Choose the correct answer of the following (any seven):
In a national highway, the minimum width of road and shoulder on each side are respectively.
The road connecting a city to highway is called
The longest road constructed during the time of Shershah Suri was from
The sequence of survey in a road project is
In preliminary survey of a road project, in hilly region cross sections are taken generally at
Ascending order according to width is
The order in which a road is built is
The factor-influencing camber is
For earthen roads in heavy rainfall area, common camber is
Minimum right-of-way required for a village road in open area is
Q.2 Solve both questions :
Compare the construction method of Telford and Macadam; bring out the point of differences.
Explain the necessity and objects of highway planning.
Q.3 Write short notes on the following:
Nagpur Road Plan
Fact finding surveys
Star and grid system
Saturation system
Q.4 Solve both questions :
What are the objects of reconnaissance surveys? Discuss the scope of aerial survey for the purpose.
Find the total width of a pavement on a horizontal curve for a new national highway to be aligned along a rolling terrain with ruling minimum radius. V = 80 kmph, pavement width W = 7.0m, number of lanes = 2, wheel base = 6 m, skid resistance = 0.15 and max super elevation = 0.07.
Q.5 Solve all questions :
Explain the role of pavement surface characteristics in highway geometric design.
State the factor affecting friction between pavements and type of vehicle.
Explain total reaction time of driver and the factor on which it depends. Explain PIEV theory.
Q.6 Solve both questions :
The deviation angle at a summit curve is 0.05 and the overtaking sight distance is 300 m. Find the length of summit curve required.
Explain the term 'traffic volume'. What are the objects of carrying out traffic volume study?
Q.7 Solve this question :
The CBR value of subgrade soil is 8 percent. Calculate the total thickness of flexible pavement using- (a) design curve developed by California State Highway Department; (b) design chart recommended by IRC; (c) design formula developed by the US Corps Engineers.
Q.8 Solve both questions :
Explain how climatic variation affects pavement design and performance.
Discuss the advantages and limitations of CBR method of design.
Q.9 Solve both questions :
Specify the material required for construction of WBM roads. What are the uses and limitations of this type of road?
Compare the following methods of bituminous road construction:
(i) Central plant mix and road
mix
method
(ii) Hot mix and cold mix
Instructions:
- The marks are indicated in the right-hand margin.
- There are NINE questions in this paper.
- Attempt FIVE questions in all.
- Question No. 1 is compulsory.
Q.1 Choose the correct answer of the following (any seven):
In a national highway, the minimum width of road and shoulder on each side are respectively.
The road connecting a city to highway is called
The longest road constructed during the time of Shershah Suri was from
The sequence of survey in a road project is
In preliminary survey of a road project, in hilly region cross sections are taken generally at
Ascending order according to width is
The order in which a road is built is
The factor-influencing camber is
For earthen roads in heavy rainfall area, common camber is
Minimum right-of-way required for a village road in open area is
Q.2 Solve both questions :
Compare the construction method of Telford and Macadam; bring out the point of differences.
Explain the necessity and objects of highway planning.
Q.3 Write short notes on the following:
Nagpur Road Plan
Fact finding surveys
Star and grid system
Saturation system
Q.4 Solve both questions :
What are the objects of reconnaissance surveys? Discuss the scope of aerial survey for the purpose.
Find the total width of a pavement on a horizontal curve for a new national highway to be aligned along a rolling terrain with ruling minimum radius. V = 80 kmph, pavement width W = 7.0m, number of lanes = 2, wheel base = 6 m, skid resistance = 0.15 and max super elevation = 0.07.
Q.5 Solve all questions :
Explain the role of pavement surface characteristics in highway geometric design.
State the factor affecting friction between pavements and type of vehicle.
Explain total reaction time of driver and the factor on which it depends. Explain PIEV theory.
Q.6 Solve both questions :
The deviation angle at a summit curve is 0.05 and the overtaking sight distance is 300 m. Find the length of summit curve required.
Explain the term 'traffic volume'. What are the objects of carrying out traffic volume study?
Q.7 Solve this question :
The CBR value of subgrade soil is 8 percent. Calculate the total thickness of flexible pavement using- (a) design curve developed by California State Highway Department; (b) design chart recommended by IRC; (c) design formula developed by the US Corps Engineers.
Q.8 Solve both questions :
Explain how climatic variation affects pavement design and performance.
Discuss the advantages and limitations of CBR method of design.
Q.9 Solve both questions :
Specify the material required for construction of WBM roads. What are the uses and limitations of this type of road?
Compare the following methods of bituminous road construction:
(i) Central plant mix and road
mix
method
(ii) Hot mix and cold mix
Instructions:
- The marks are indicated in the right-hand margin.
- There are NINE questions in this paper.
- Attempt FIVE questions in all.
- Question No. 1 is compulsory.
Q.1 Choose the correct option from the following (any seven):
Minimum of 8 m width and 2 m wide shoulders on the following roads are recommended
Which of the following statements is correct? According to the principle of road alignment
In the final survey, the centreline stakes are driven at ___ interval in hilly terrain.
The portion of the roadway between outer edges of carriageway and drains in case of cuttings is known as
Maximum camber recommended by IRC is
For highways, width of the formation in plain area is
In steep terrain, ruling gradient is limited to
For finding stopping distance of a vehicle, the height of line of sight of driver and height of line of obstacle on road are taken as ___ respectively.
When a vehicle traces a horizontal curve, it is subjected to centrifugal force in ___ direction.
For designing highways, IRC recommends the coefficient of friction as
Q.2 Solve both questions :
Outline and discuss the scope of the highway engineering study.
Briefly discuss the historical development of road construction.
Q.3 Solve this question :
There are five alternative proposals of road plans for a backward district. The details are given below. Justify with reasons, which proposal is the best, assuming utility unit of 0.5, 1.0, 2, 4 and 8 for the five population ranges and 1.0 and 5 per 1000 t of agricultural and industrial products served:
Q.4 Solve both questions :
What are the various requirements of an ideal highway alignment? Explain briefly.
Discuss the general principles in the re-alignment of a highway and explain how the work is carried out.
Q.5 Solve this question :
A national highway passing through a rolling terrain in heavy rainfall area has a horizontal curve of radius 500 m. Design the length of transition curve, assuming suitable data.
Q.6 Solve both questions :
State the factor on which the overtaking sight depends. Explain briefly.
State the objects of widening pavements on horizontal curve. What are the factors on which the design of widening depends? Explain.
Q.7 Solve this question :
The 15-minute traffic counts on crossroads 1 and 2 during peak hour are observed as 178 and 142 vehicles per lane respectively, approaching the intersection in the direction of heavier traffic flow. If the amber time required are 3 and 2 seconds respectively for load based approach speed, design the signal timings by trial cycle method. Assume an average time headway of 2.5 seconds during green phase.
Q.8 Solve both questions :
Explain briefly the modified Hubbard Field method of bituminous mix design.
Explain the desirable properties of aggregate to be used in different types of pavement construction.
Q.9 Solve both questions :
Write down the construction steps for water bound macadam road.
With the aid of neat sketches, show the different types of joint and their positions.
Instructions:
- The marks are indicated in the right-hand margin.
- There are NINE questions in this paper.
- Attempt FIVE questions in all.
- Question No. 1 is compulsory.
Q.1 Choose the correct option from the following (any seven):
Minimum of 8 m width and 2 m wide shoulders on the following roads are recommended
Which of the following statements is correct? According to the principle of road alignment
In the final survey, the centreline stakes are driven at ___ interval in hilly terrain.
The portion of the roadway between outer edges of carriageway and drains in case of cuttings is known as
Maximum camber recommended by IRC is
For highways, width of the formation in plain area is
In steep terrain, ruling gradient is limited to
For finding stopping distance of a vehicle, the height of line of sight of driver and height of line of obstacle on road are taken as ___ respectively.
When a vehicle traces a horizontal curve, it is subjected to centrifugal force in ___ direction.
For designing highways, IRC recommends the coefficient of friction as
Q.2 Solve both questions :
Outline and discuss the scope of the highway engineering study.
Briefly discuss the historical development of road construction.
Q.3 Solve this question :
There are five alternative proposals of road plans for a backward district. The details are given below. Justify with reasons, which proposal is the best, assuming utility unit of 0.5, 1.0, 2, 4 and 8 for the five population ranges and 1.0 and 5 per 1000 t of agricultural and industrial products served:
Q.4 Solve both questions :
What are the various requirements of an ideal highway alignment? Explain briefly.
Discuss the general principles in the re-alignment of a highway and explain how the work is carried out.
Q.5 Solve this question :
A national highway passing through a rolling terrain in heavy rainfall area has a horizontal curve of radius 500 m. Design the length of transition curve, assuming suitable data.
Q.6 Solve both questions :
State the factor on which the overtaking sight depends. Explain briefly.
State the objects of widening pavements on horizontal curve. What are the factors on which the design of widening depends? Explain.
Q.7 Solve this question :
The 15-minute traffic counts on crossroads 1 and 2 during peak hour are observed as 178 and 142 vehicles per lane respectively, approaching the intersection in the direction of heavier traffic flow. If the amber time required are 3 and 2 seconds respectively for load based approach speed, design the signal timings by trial cycle method. Assume an average time headway of 2.5 seconds during green phase.
Q.8 Solve both questions :
Explain briefly the modified Hubbard Field method of bituminous mix design.
Explain the desirable properties of aggregate to be used in different types of pavement construction.
Q.9 Solve both questions :
Write down the construction steps for water bound macadam road.
With the aid of neat sketches, show the different types of joint and their positions.
Instructions:
- The marks are indicated in the right-hand margin.
- There are NINE questions in this paper.
- Attempt FIVE questions in all.
- Question No. 1 is compulsory.
Q.1 Choose the correct option from the following (any seven):
Minimum of 8 m width and 2 m wide shoulders on the following roads are recommended
Which of the following statements is correct? According to the principle of road alignment
In the final survey, the centreline stakes are driven at ___ interval in hilly terrain.
The portion of the roadway between outer edges of carriageway and drains in case of cuttings is known as
Maximum camber recommended by IRC is
For highways, width of the formation in plain area is
In steep terrain, ruling gradient is limited to
For finding stopping distance of a vehicle, the height of line of sight of driver and height of line of obstacle on road are taken as ___ respectively.
When a vehicle traces a horizontal curve, it is subjected to centrifugal force in ___ direction.
For designing highways, IRC recommends the coefficient of friction as
Q.2 Solve both questions :
Outline and discuss the scope of the highway engineering study.
Briefly discuss the historical development of road construction.
Q.3 Solve this question :
There are five alternative proposals of road plans for a backward district. The details are given below. Justify with reasons, which proposal is the best, assuming utility unit of 0.5, 1.0, 2, 4 and 8 for the five population ranges and 1.0 and 5 per 1000 t of agricultural and industrial products served:
Q.4 Solve both questions :
What are the various requirements of an ideal highway alignment? Explain briefly.
Discuss the general principles in the re-alignment of a highway and explain how the work is carried out.
Q.5 Solve this question :
A national highway passing through a rolling terrain in heavy rainfall area has a horizontal curve of radius 500 m. Design the length of transition curve, assuming suitable data.
Q.6 Solve both questions :
State the factor on which the overtaking sight depends. Explain briefly.
State the objects of widening pavements on horizontal curve. What are the factors on which the design of widening depends? Explain.
Q.7 Solve this question :
The 15-minute traffic counts on crossroads 1 and 2 during peak hour are observed as 178 and 142 vehicles per lane respectively, approaching the intersection in the direction of heavier traffic flow. If the amber time required are 3 and 2 seconds respectively for load based approach speed, design the signal timings by trial cycle method. Assume an average time headway of 2.5 seconds during green phase.
Q.8 Solve both questions :
Explain briefly the modified Hubbard Field method of bituminous mix design.
Explain the desirable properties of aggregate to be used in different types of pavement construction.
Q.9 Solve both questions :
Write down the construction steps for water bound macadam road.
With the aid of neat sketches, show the different types of joint and their positions.
Instructions:
- The marks are indicated in the right-hand margin.
- There are NINE questions in this paper.
- Attempt FIVE questions in all.
- Question No. 1 is compulsory.
Q.1 Choose the correct option from the following (any seven):
Minimum of 8 m width and 2 m wide shoulders on the following roads are recommended
Which of the following statements is correct? According to the principle of road alignment
In the final survey, the centreline stakes are driven at ___ interval in hilly terrain.
The portion of the roadway between outer edges of carriageway and drains in case of cuttings is known as
Maximum camber recommended by IRC is
For highways, width of the formation in plain area is
In steep terrain, ruling gradient is limited to
For finding stopping distance of a vehicle, the height of line of sight of driver and height of line of obstacle on road are taken as ___ respectively.
When a vehicle traces a horizontal curve, it is subjected to centrifugal force in ___ direction.
For designing highways, IRC recommends the coefficient of friction as
Q.2 Solve both questions :
Outline and discuss the scope of the highway engineering study.
Briefly discuss the historical development of road construction.
Q.3 Solve this question :
There are five alternative proposals of road plans for a backward district. The details are given below. Justify with reasons, which proposal is the best, assuming utility unit of 0.5, 1.0, 2, 4 and 8 for the five population ranges and 1.0 and 5 per 1000 t of agricultural and industrial products served:
| Proposal | Total length (km) | Number of towns and villages served with population range | Productivity (in Thousand tonnes) | |||||
|---|---|---|---|---|---|---|---|---|
| <2000 | 2001-5000 | 5001-10000 | 10001-20000 | >20000 | Agricultural | Industrial | ||
| P | 500 | 100 | 150 | 20 | 40 | 3 | 150 | 20 |
| Q | 600 | 200 | 250 | 68 | 28 | 3 | 220 | 25 |
| R | 700 | 270 | 350 | 82 | 36 | 4 | 300 | 35 |
| S | 800 | 280 | 410 | 91 | 41 | 4 | 400 | 42 |
| T | 900 | 290 | 430 | 96 | 44 | 4 | 430 | 45 |
Q.4 Solve both questions :
What are the various requirements of an ideal highway alignment? Explain briefly.
Discuss the general principles in the re-alignment of a highway and explain how the work is carried out.
Q.5 Solve this question :
A national highway passing through a rolling terrain in heavy rainfall area has a horizontal curve of radius 500 m. Design the length of transition curve, assuming suitable data.
Q.6 Solve both questions :
State the factor on which the overtaking sight depends. Explain briefly.
State the objects of widening pavements on horizontal curve. What are the factors on which the design of widening depends? Explain.
Q.7 Solve this question :
The 15-minute traffic counts on crossroads 1 and 2 during peak hour are observed as 178 and 142 vehicles per lane respectively, approaching the intersection in the direction of heavier traffic flow. If the amber time required are 3 and 2 seconds respectively for load based approach speed, design the signal timings by trial cycle method. Assume an average time headway of 2.5 seconds during green phase.
Q.8 Solve both questions :
Explain briefly the modified Hubbard Field method of bituminous mix design.
Explain the desirable properties of aggregate to be used in different types of pavement construction.
Q.9 Solve both questions :
Write down the construction steps for water bound macadam road.
With the aid of neat sketches, show the different types of joint and their positions.
Instructions:
- The marks are indicated in the right-hand margin.
- There are NINE questions in this paper.
- Attempt FIVE questions in all.
- Question No. 1 is compulsory.
Q.1 Choose the correct option from the following (any seven):
Minimum of 8 m width and 2 m wide shoulders on the following roads are recommended
Which of the following statements is correct? According to the principle of road alignment
In the final survey, the centreline stakes are driven at ___ interval in hilly terrain.
The portion of the roadway between outer edges of carriageway and drains in case of cuttings is known as
Maximum camber recommended by IRC is
For highways, width of the formation in plain area is
In steep terrain, ruling gradient is limited to
For finding stopping distance of a vehicle, the height of line of sight of driver and height of line of obstacle on road are taken as ___ respectively.
When a vehicle traces a horizontal curve, it is subjected to centrifugal force in ___ direction.
For designing highways, IRC recommends the coefficient of friction as
Q.2 Solve both questions :
Outline and discuss the scope of the highway engineering study.
Briefly discuss the historical development of road construction.
Q.3 Solve this question :
There are five alternative proposals of road plans for a backward district. The details are given below. Justify with reasons, which proposal is the best, assuming utility unit of 0.5, 1.0, 2, 4 and 8 for the five population ranges and 1.0 and 5 per 1000 t of agricultural and industrial products served:
| Proposal | Total length (km) | Number of towns and villages served with population range | Productivity (in Thousand tonnes) | |||||
|---|---|---|---|---|---|---|---|---|
| <2000 | 2001-5000 | 5001-10000 | 10001-20000 | >20000 | Agricultural | Industrial | ||
| P | 500 | 100 | 150 | 20 | 40 | 3 | 150 | 20 |
| Q | 600 | 200 | 250 | 68 | 28 | 3 | 220 | 25 |
| R | 700 | 270 | 350 | 82 | 36 | 4 | 300 | 35 |
| S | 800 | 280 | 410 | 91 | 41 | 4 | 400 | 42 |
| T | 900 | 290 | 430 | 96 | 44 | 4 | 430 | 45 |
Q.4 Solve both questions :
What are the various requirements of an ideal highway alignment? Explain briefly.
Discuss the general principles in the re-alignment of a highway and explain how the work is carried out.
Q.5 Solve this question :
A national highway passing through a rolling terrain in heavy rainfall area has a horizontal curve of radius 500 m. Design the length of transition curve, assuming suitable data.
Q.6 Solve both questions :
State the factor on which the overtaking sight depends. Explain briefly.
State the objects of widening pavements on horizontal curve. What are the factors on which the design of widening depends? Explain.
Q.7 Solve this question :
The 15-minute traffic counts on crossroads 1 and 2 during peak hour are observed as 178 and 142 vehicles per lane respectively, approaching the intersection in the direction of heavier traffic flow. If the amber time required are 3 and 2 seconds respectively for load based approach speed, design the signal timings by trial cycle method. Assume an average time headway of 2.5 seconds during green phase.
Q.8 Solve both questions :
Explain briefly the modified Hubbard Field method of bituminous mix design.
Explain the desirable properties of aggregate to be used in different types of pavement construction.
Q.9 Solve both questions :
Write down the construction steps for water bound macadam road.
With the aid of neat sketches, show the different types of joint and their positions.
Instructions:
- The marks are indicated in the right-hand margin.
- There are TEN questions in this paper.
- Attempt any FIVE questions.
Questions
Answer the following:
What are the significant recommendations of Jaykar Committee Report? Mention how it helped in road development in India.
Give a labeled typical cross-section of McAdam's construction. Briefly discuss the construction procedure of macadam roads.
Answer the following:
Derive an expression for calculating the overtaking sight distance on highway.
The speed of overtaking and overtaken vehicles are 89 kmph and 60 kmph respectively. If the acceleration of the overtaking vehicle is 2.5 kmph per second, calculate the safe passing sight distance for two-way traffic.
Answer the following:
Explain spot speed, running speed, space-mean speed, time-mean speed and average speed. How are spot speed studies carried out?
Explain various measures that may be taken to prevent road accidents.
Answer the following:
What are the factors that need to be considered in design of the pavements? Explain briefly.
Calculate ESWL of a dual wheel assembly carrying 2004 kg each for pavement thickness of 15 cm, 20 cm and 25 cm. Centre-to-centre tyre spacing = 27 cm and distance between the walls of the tyres = 11 cm.
Answer the following:
What are the IRC recommendations for design of concrete pavement slab thickness?
A cement concrete pavement has a thickness of 18 cm and has two lanes of 7.2 m with a longitudinal joint along the centre. Design the dimensions and spacing of the tie bar with the following data : Allowable working stress in tension, Unit weight of concrete Coefficient of friction, Allowable bond stress in deformed bars in concrete,
Answer the following:
Discuss the object of the following types of joints and draw neat sketches : (i) Expansion joints (ii) Contraction joints (iii) Longitudinal joints
Explain with sketches, how the subsurface drainage system is provided to lower the water table and control seepage flow.
Answer the following:
Explain the necessity of grade compensation at curves. The ruling gradient has been fixed as 1 in 200 on a section of BG track. What should be the compensated gradient when a horizontal curve is also to be introduced on this ruling gradient?
Sketch a left-hand turnout and label its components.
Answer the following:
Explain clearly the location and application of the following signals : (i) Outer signal (ii) Home signal (iii) Starter signal (iv) Advance starter signal (v) Point indicators
Describe the factors that influence the selection of site for a railway station.
Answer the following:
What are the factors which need consideration while selecting a suitable bridge site? Describe briefly.
What do you mean by scour depth? Discuss its significance in construction of bridges.
Answer the following:
How is economical span of a bridge determined? Describe.
What is the function of bearings in bridges? Sketch and describe three types of bearings commonly used in bridges.