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# THAPAR UNIVERSITY FLEXIBLE PAVEMENTS,PIN223 MAY 2015 PAPER Notes | EduRev

## : THAPAR UNIVERSITY FLEXIBLE PAVEMENTS,PIN223 MAY 2015 PAPER Notes | EduRev

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Roll No:
THAPAR UNIVERSITY, PATIALA
DEPARTMENT OF CIVIL ENGINEERING
PIN223 -FLEXIBLE PAVEMENTS
END SEMESTER EXAMINATION (19/05/2015)
Faculty Incharge - Tanuj Chopra 	 Max. Marks: 40, Time: 3 hr
Note: - Attempt all questions. No Standard Charts and Codes are allowed. Assume any requisite
data, if required.
Q: 1 (a) Explain in detail, the method of the overlay design as per the IRC 81 guidelines for
the strengthening of flexible road pavements using Benkelman Beam Deflection technique.
Q: 1(b) Explain the importance of CBR, Vehicle Damage Factor (VDF), Lane Distribution
factor (LDF) for the design of the flexible pavements? 	 (5, 3)
Q: 2 Calculate the cost of earthwork for the portion of the flexible road from the following
data: -
Distance
in m
0 60 120 180 240 300 360 420 480 540
RL 	 of
Ground
73.12 72.44 71.86 72.08 71.30 70.80 70.54 70.82 70.96 71.50
RL 	 of
Formation
Proposed formation width of road is 10m, side slope of 1.5:1 in cutting and 2:1 in banking.
(Horizontal: Vertical). Basic CSR Rates of earthwork in filling is Rs. 285/- per %m3  and Rs.
380/- per %m3  in cutting with premium of 600% in both filling and cutting basic rates. (8)
Q: 3 Write an explanatory notes on:-
i. Joints in Cement Concrete Pavement Quality Concrete Pavements with detailed
sketch.
ii. Subgrade-Subbase Interaction for the rigid pavement design & list down the various
steps of designing of PQC pavements as per IRC: 58 design method..
iii. Development of Pavement Maintenance Management Systems (PMMS) for flexible
pavements.
iv. Dry lean concrete (DLC) and Pavement Quality Concrete (PQC) layer mix
specifications as per MORTH. 	 (4X3)
Q: 4(a) Explain in detail, the construction technique of pavement quality concrete (PQC)
roads using slip form pavers and also draw one typical section of the PQC road for National
Highway section as per IRC guidelines?
Q: 4(b) Explain in detail, the MORTH specifications for the Bituminous Macadam (BM),
Premix carpet (PC) with tack coat and Dense Bituminous Macadam (DBM) layers of flexible
pavements? 	 (3, 4)
P.T.O
Page 2

Roll No:
THAPAR UNIVERSITY, PATIALA
DEPARTMENT OF CIVIL ENGINEERING
PIN223 -FLEXIBLE PAVEMENTS
END SEMESTER EXAMINATION (19/05/2015)
Faculty Incharge - Tanuj Chopra 	 Max. Marks: 40, Time: 3 hr
Note: - Attempt all questions. No Standard Charts and Codes are allowed. Assume any requisite
data, if required.
Q: 1 (a) Explain in detail, the method of the overlay design as per the IRC 81 guidelines for
the strengthening of flexible road pavements using Benkelman Beam Deflection technique.
Q: 1(b) Explain the importance of CBR, Vehicle Damage Factor (VDF), Lane Distribution
factor (LDF) for the design of the flexible pavements? 	 (5, 3)
Q: 2 Calculate the cost of earthwork for the portion of the flexible road from the following
data: -
Distance
in m
0 60 120 180 240 300 360 420 480 540
RL 	 of
Ground
73.12 72.44 71.86 72.08 71.30 70.80 70.54 70.82 70.96 71.50
RL 	 of
Formation
Proposed formation width of road is 10m, side slope of 1.5:1 in cutting and 2:1 in banking.
(Horizontal: Vertical). Basic CSR Rates of earthwork in filling is Rs. 285/- per %m3  and Rs.
380/- per %m3  in cutting with premium of 600% in both filling and cutting basic rates. (8)
Q: 3 Write an explanatory notes on:-
i. Joints in Cement Concrete Pavement Quality Concrete Pavements with detailed
sketch.
ii. Subgrade-Subbase Interaction for the rigid pavement design & list down the various
steps of designing of PQC pavements as per IRC: 58 design method..
iii. Development of Pavement Maintenance Management Systems (PMMS) for flexible
pavements.
iv. Dry lean concrete (DLC) and Pavement Quality Concrete (PQC) layer mix
specifications as per MORTH. 	 (4X3)
Q: 4(a) Explain in detail, the construction technique of pavement quality concrete (PQC)
roads using slip form pavers and also draw one typical section of the PQC road for National
Highway section as per IRC guidelines?
Q: 4(b) Explain in detail, the MORTH specifications for the Bituminous Macadam (BM),
Premix carpet (PC) with tack coat and Dense Bituminous Macadam (DBM) layers of flexible
pavements? 	 (3, 4)
P.T.O
Q: 5(a) The following aircrafts have to use the Flexible Runway Pavement. The input
parameters for the aircrafts are as given in the table. Calculate the design aircraft and the
equivalent annual departures of the design aircraft to be considered for the flexible runway
pavement design?
AIRCRAFT
GEAR TYPE AVG. 	 ANNUAL
DEPARTURES
MAX. TAKE OFF
WEIGHT (Ibs)
DESIGN
THICKNESS
727-200 Dual 2900 1,45,000 24 in.
727-300  Dual 3700 1,80,500 25 in.
707-320B Dual Tandem 9300 2,80,000 28 in.
Airbus 	 A380
(wide 	 body
aircraft)
Double 	 dual
tendem
220 6,00,000 23 in.
5(b) Explain the method of obtaining viscosity of bitumen sample by using rotational
viscometer equipment?
Q: 5(c) Explain the use of the Accelerated Pavement Testing Facility (APTF) for the
evaluation and maintenance of flexible pavements? 	 (4, 3, 3)
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