Download AKTU (Dr. A.P.J. Abdul Kalam Technical University (AKTU), formerly Uttar Pradesh Technical University (UPTU) B-Tech 6th Semester (Sixth Semester) 2017-2018 NCE 601 Design Of Concrete Structure II Question Paper
Paperld: ROHNO=I I I I I I I I I I I
B TECH
(SEM-VI) THEORY EXAMINATION 2017-18
DESIGN OF CONCRETE STRUCTURE II
T ime: 3 Hours T (Ital Marks: 100
Note: 1. Attempt all Sections. Assume missing data suitable, if any.
2. IS 45622000 permitted.
SECTION A
1. Attempt all questions in brief. 2 x 10 = 20
a) Define limitations of ?at slab.
b) Define column head.
c) Differentiate between shallow foundation and deep foundation.
d) Find the depth of foundation required for a column carrying an axial load of 165KN? The
safe bearing capacity of the soil is 150KN/m2. The soil at the site weight 18KN/m3 and
has a angle of repose of 30?.
e) What do you mean by culvert?
1) Write the name of types of retaining wall.
g) Differentiate between the over head tank and underground tank.
h) What is an ?Intze tank??
i) Write a short note on creep.
j) What is Anchorage?
SECTION B
2. Attempt any three of the following: 10 x 3 = 30
a) Design an interior panel of ?at slab with size 6X6 m2 Supported by Column of diameter
500 mm, provide Suitable Drop. Take live load 4kn/m2 use M25 and Fe 415.
b) Determine the plan dimensions of a R.C.C. footing for a column subjected to a
Characteristics load of 1000KN and moment about the major axis Mx = 180KM/m. the
size of the column is 300mm X 750mm. the safe bearing capacity of the soil is
200KN/m2?
c) Design a slab culvert of a Clear span of 6m for class AA tracked vehicle loading. Clear
width of roadway is 7m. average thickness of wearing coat may be taken as 75mm. Use
M20 concrete and Fe-415 steel.
d) Design a circular tank12m diameter and 4m high. The tank rest on the ground. the walls
of the tank are restrained 0r monolithic at base. Use M20 concrete and Fe-415 steel.
e) Write various losses in prestressing.
SECTION C
Attempt any one part of the following: 10 x 1 = 10
a)
b)
Design an interior panel of a ?at slab of size 5m*5m without providing drop and column
head. Size of columns is 500mm*500mm and live load on the panel is 4kn/m2. Take ?oor
finishing load as lkn/m2 Use M20 concrete and Fe 415 steel.
Write the methods of analysis and design of ?at slab. Explain any one of them.
Attempt any one part of the following: 10 x 1 = 10
a)
b)
A rectangular cross section of a curved beam is 400mm X 600mm. it is subjected to a
bending moment of 70KN-m, torsional moment of 30KN-m and shear force of 40KN.
Design the beam using M20 concrete grade and Fe-415 steel grade
Design a square footing of uniform thickness for an axially loaded column of 450mm x
450mm size. The safe bearing capacity of the soil is l90KN/m2. Load from the column is
850KN( including self weight of column)? Use M20 concrete and Fe-415 steel
Attempt any one part of the following: 10 x 1 = 10
a)
b)
Design square water tank 5m X 5m X 3m (high), using any method. Tank is open at the
top and the walls are fixed to the base which rests on the ground? Use M20 concrete and
Fe-415 steel.
Determine the internal dimensions of a intze type tank for a capacity of 250KL? c/c
diameter of staging shall be taken as 75m and central diameter of cylindrical wall shall
be taken as 9.5m. Vertical wall is 120mm thick. Cone makes an angle of 450 with the
horizontal. .
Attempt any one part of the following: 10 x 1 = 10
a)
b)
Design a cantilever type of retaining wall to retain sand for 3075m above the ground
level. The sand fill slops at the rate of 1 vertical t0 2 horizontal The weight of sand is
lSKN/m3. The safe bearing capacity of the soil is 200KN/m2 at a depth of 1.25m below
the ground level. The angle of repose 0f the soil is 300. Use M20 concrete and Fe-415
steel. Take u = 0.6
Explain design principle of cantilever retaining wall.
Attempt any one part of the following: 10 x 1 = 10
a)
b)
State the assumption made in prestressed concrete design
Determine the profile of a load balancing cable for a beam of span 8 m carrying an all
inclusive load of 40KN/m. The prestressing force in the tendon is 1250KN? The section
of the beam is 450mm X 600mm. find also the stress on the beam section?
This post was last modified on 29 January 2020