B.TechSemester 72022-23Advanced Concrete DesignKCE073

Advanced Concrete Design (KCE073) - AKTU Question Paper 2022-23

B.Tech · Semester 7 · Free PDF Download

This is the official AKTU Advanced Concrete Design Previous Year Question Paper for B.Tech Semester 7, academic session 2022-23. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech

Semester:Semester 7

Session:2022-23

University:AKTU / UPTU

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Questions Asked in 2022-23

Advanced Concrete Design (KCE073) — complete question paper

Section AAttempt all questions in brief. 2 x 10 = 20

a
Mention the important factors that must be considered while designing a RCC tank
c
Define Sliding Joint with figure for Tanks
d
What Loads acted on Bottom Conical dome in Intze Tank?
e
IS 3370:2009 (Part 2) where it is used?
f
Define Circular Prestressing
g
What do you understand by Load Balancing Concept?
h
Why high strength concrete is needed for prestressing? (i) List the various types of tensioning devices used in prestressed concrete. (j) Write the advantages of prestressed concrete

Section BAttempt any three of the following: 10 x 3 = 30

a
Design a Circular Tank with a flexible base for a tank of 1,00, 0000 litre Capacity . The depth of water in tank is 6mtr. Use M25 concrete and Fe415 steel. Take unit weight of water as 10 kN/m 2 . Draw the sketch also
b
A spherical cover dome is to be provided for a circular water t ank with inner diameter of 6m. choose the rise f or the dome as I m. Live load a s t h e d o m e i s 1kN/m2 . Design the cover dome and its supporting ring girder
c
Compare the loss of prestress due to elastic shortening in pret ensioned and post tensioned members
d
Write Short Notes on the followi ng (i) Freyssinet System of Pre stressing (ii) losses in Prestress
e
A pretensioned beam 200 mm wide and 350 mm deep is prestressed with 12 wires of 7 at mm diameter, initially stressed to 1200 N/mm2. The centroi d of the prestressing wires is located 100 mm above the soffit.Assuming the loss due to relaxation as 5%, calculate the total loss or p restress as per IS 1343-1 980.E s = 210 KN/mm 2 ,Ec = 35 KN/mm2 , Relaxation of steel stress = 5% of the initial stress . Shri nkage of concrete = 300 x 10-6 , Creep coefficient = 1.6

Section CAttempt any one part of the following: 10 x 1 = 10

a
Define the following for Elevated Water Tank (i) Top Dome (ii) Top RingBeam (iii) Cylindrical Wall
b
Design a rectangular water tank of size 2mx5mx3m resting on the ground. Use M25 concrete and HYSD bars use Approximate Method
a
Mention the important factors that must be considered while designing a RCC tank
b
What are conditions under which the walls of underground water tanks designed?
a
How the prestressing to transform concrete into an elastic mate rial and Prestressing for combination of high strength steel and concrete? Explain
b
Determine the percentage of tota l loss of prestress in a simply supported pretensioned beam of size 150 mmx 300mm , having 8 wires of 6mm diametersubjected to an initial prestress of 1000 N/mm2 at an eccentricity of 50 mm , Takethe following data for calculation of losses. Creep Coefficient =1.6, Loss due to Relaxation = 5% Use M40 concrete
a
Explain the stress distribution Diagram in a Prestressed beam a t intial and finalstage i.e. before and after the Prestress
b
A rectangular concrete 250mm wide and 600mm deep. Is prestresse d by means of four 14mm diameter high tensile bars located 200mm from the sof fit of the beam. If the effective stress in the wires is 700N/mm2 . , what is the maximum bending moment that can be applied to t he section without causing tensi on at the soffit of the beam?
a
Explain different methods of post tensioning systems
b
A Prestressed concrete of span 20 mtr is provided with a parabo lic tendon whose central dip is 0.25 mtr . The cable has no eccentricity at the ends. If the stress in the tendons at the ends is 1025 N/mm 2 , Find the loss of stress fr om ends to the centre . Take µ= 0.35, and k=.0015 /m

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

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