Name of the College : Mahatma Gandhi University
Department : Civil Engineering
Subject Code/Name : MCETE103/PAVEMENT ANALYSIS AND DESIGN
Sem : I
Website : mgu.ac.in
Document Type : Model Question Paper
Download Model/Sample Question Paper : https://www.pdfquestion.in/uploads/mgu.ac.in/5010-MCETE103%20Pavement%20Analysis%20and%20Design.pdf
Pavement Analysis & Design Question Paper :
M.TECH. DEGREE EXAMINATION :
Model Question Paper – I
Branch: Civil Engineering
Related : MGU MCESC105-2 Bridge Engineering M.Tech Model Question Paper : www.pdfquestion.in/5009.html
Specialization: Transportation Engineering
First Semester
MCETE103 : PAVEMENT ANALYSIS AND DESIGN
(Regular – 2013Admissions)
Time: 3 Hours
Max. Marks: 100
1 a) Explain flexible and rigid pavements and bring out the points of differences. 10 marks
b) List the factors affecting design performance of pavements 10 marks
c) Using deflection criteria, calculate the ESWL of a dual wheel assembly carrying 2044kg each for pavement thickness of 20cm.Centre to centre spacing of tyre is 27cm and tyre pressure is 6 kg/cm2. 5 marks
OR
2 a) What are the various functions and desirable characteristics of pavements? 10 marks
b) Explain how the elastic modulus of subgrade and base course are estimated using plate bearing test data 10 marks
c) Differentiate between ESWL and EWLF 5 marks
3 a) Discuss the vertical stress distribution under the pavement 7 marks
b) List different methods of design of flexible pavement and state the principles 8 marks
c) A two lane two way carriageway carries a traffic load of 1500 cvd .The rate of growth of traffic is 5% per annum.The design life is 5 years.The vehile damage factor is 2.5.CBR value of soil is 7% .
Calculate a) Cumulative number of standard axles to be used in the design b) Total pavement thickness,c) composition of the pavement 10 marks
OR
4 a) Explain the CBR and IRC methods of design of flexible pavements.Discuss the advantages and limitations. 10 marks
b) Explain Burmister’s two layer and three layer theory 5 marks
c) Discuss the concept of equal vertical deflection criteria and applying deflection criteria calculate the ESWL of a dual wheel assembly carrying 20.44 kN each for pavement thickness of 15 cm. Centre to centre spacing of tyre is 27cm and tyre pressure is 60N/cm2 10 marks
5 a) Discuss the design principles of rigid pavement. 5 marks
b) Calculate the stresses at interior, edge and corner regions,of a concrete pavement using Westergaards stress equation for the following data:
Wheel load=4100 kg,tyre
Modulus of elasticity of concrete=3.3*105 kg/cm2
Pavement thickness=18cm, Modulus of subgrade reaction=2.5kg/cm3
Diameter of loaded area =25cm, Poisson’s ratio of concrete= 0.15 10 marks
c) Explain the need for joints in cement concrete pavements and mention the IRC guidelines for joint spacing 10 marks
OR
6 a) Explain the development and action of temperature stress in rigid pavements.How to reduce temperature stress in pavements. 10 marks
b) Design and detail dowel bars at expansion joints of a concrete pavement of thickness 20 cm , and design wheel load of 41 kN. Assume load capacity of dowel system as 40% of design wheel load.Joint width 25mm, permissible stress in dowel bars, shear stress 10kN/cm2 and flexural stress 14kN/cm2. Bearing stress in concrete permissible is 1kN/cm2,K- value on sub base is 80 N/cm3 10 marks
c) Sketch the details of the following 1) Dummy contraction joint.2) A tongue and grooved warping joint 5 marks
7 a) Explain the necessity of design approach and method of strengthening of existing Pavements for the following cases.
i)Flexible overlay over flexible pavement 5 marks
ii)Rigid overlay over rigid pavement 5 marks
iii)Rigid overlay over flexible pavement 5 marks
iv)Flexible overlay over rigid pavement 5 marks
b) Write a note on Pavement Maintanence Management System 5 marks
OR
8 a) What are the methods of pavement evaluation? 10 marks
b) Describe the Benkelman Beam and its uses? 10 marks
c) Explain white topping 5 marks
Syllabus :
Module 1 : Types and Component parts of Pavements and Subgrade
Types and Component parts of Pavements : Flexible, rigid and semi-rigid pavements Factors affecting design and performance of Pavements – Influence of environment on pavement – Frost, Sub grade moisture
Subgrade : Functions and significance of subgrade properties – Methods of assessment of subgrade strength – Subgrade stabilization – Wheel loads – ESWL – EWLF
Module 2 : Flexible pavement design
Pavement Materials and their Properties. Bituminous mix design : Analysis of Stresses in Flexible Pavements – Empirical, Semi empirical and Theoretical Methods of Flexible Pavement Design – Problems. Introduction to Superpave.
Module 3 : Rigid pavement design
Rigid pavement design : Types, Causes and Analysis of Stresses in Rigid pavements – Types, Functions and Spacing of Joints in Cement Concrete Pavements – Design of Slab Thickness and Joint Details