Download JNTUK (Jawaharlal Nehru Technological University Kakinada (JNTU kakinada)) M.Tech (ME is Master of Engineering) 2020 R19 Civil 1108 Advanced Reinforced Concrete Design Model Previous Question Paper
I M. Tech I Semester (R19) Regular Examinations
ADVANCED REINFORCED CONCRETE DESIGN
(STRUCTURAL ENGINEERING)
MODEL QUESTION PAPER
TIME: 3 Hrs. Max. Marks: 75 M
Answer ONE Question from EACH UNIT
All questions carry equal marks
*****
CO KL M
UNIT - I
1. a). Analyse and Check the suitability to reduce the maximum moment at
support B by 30% and redistribute to the spans of a T-beam ABC which is
continus over two spans of 8m each and it carries a factored UDL of 75
kN/m. Assume M25 concrete and Fe415 steel are used. The T-beam flange
width = 1000 mm, web thickness = 300 mm, slab thickness = 150 mm,
Overall depth D= 820 mm and effective depth d= 770 mm. Also design the
sections for maximum positive and negative moments.
1 K4 15
OR
2. a). Compute the values at salient points on the stress-strain curve of concrete
in bending of an unconfined concrete member if cylindrical strength of
concrete used is f?
c
=25 N/mm
2
. If such a concrete is confined in a section
of (b x D) 300 x 500 mm with a clear cover of 50mm with 10mm stirrups
at 100 mm c/c, compute the stress-strain curve for inelastic analysis of the
structure. Use the relation f?
c
=0.8 f
ck
1 K4 15
UNIT - II
3. a). Analyse and design a slab isosceles in shape using yield line analysis by
equilibrium method. The slab sides are 4m, 4m and 3m and simply
supported in 4m sides with free end on 3m. The slab carries an imposed
load of 2 kN/m
2
and finishes 1.5 kN/m
2
. Use M20 concrete and Fe 415
grade steel.
2 K4 15
OR
4. a). Analyse and design a square slab of size 4m x 4m which is continus on
all fr sides, using yield line analysis by Virtual work method. The slab
carries an imposed load of 3 kN/m
2
and finishes 1.0 kN/m
2
. Use M25
concrete and Fe 415 grade steel.
2 K4 15
UNIT - III
5. a). Analyse& Design a flat plate supported on columns spaced at 6000m in
both directions. The size of columns is 500 x 500mm and the imposed load
on panel is 4.4 kN/m
2
; Floor height is 4m; Floor finish is 1.4kN/m
2
.
Assume Fe 415 grade steel & M25 concrete. Exposure is severe
3 K5 15
OR
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[M19 ST 1108]
I M. Tech I Semester (R19) Regular Examinations
ADVANCED REINFORCED CONCRETE DESIGN
(STRUCTURAL ENGINEERING)
MODEL QUESTION PAPER
TIME: 3 Hrs. Max. Marks: 75 M
Answer ONE Question from EACH UNIT
All questions carry equal marks
*****
CO KL M
UNIT - I
1. a). Analyse and Check the suitability to reduce the maximum moment at
support B by 30% and redistribute to the spans of a T-beam ABC which is
continus over two spans of 8m each and it carries a factored UDL of 75
kN/m. Assume M25 concrete and Fe415 steel are used. The T-beam flange
width = 1000 mm, web thickness = 300 mm, slab thickness = 150 mm,
Overall depth D= 820 mm and effective depth d= 770 mm. Also design the
sections for maximum positive and negative moments.
1 K4 15
OR
2. a). Compute the values at salient points on the stress-strain curve of concrete
in bending of an unconfined concrete member if cylindrical strength of
concrete used is f?
c
=25 N/mm
2
. If such a concrete is confined in a section
of (b x D) 300 x 500 mm with a clear cover of 50mm with 10mm stirrups
at 100 mm c/c, compute the stress-strain curve for inelastic analysis of the
structure. Use the relation f?
c
=0.8 f
ck
1 K4 15
UNIT - II
3. a). Analyse and design a slab isosceles in shape using yield line analysis by
equilibrium method. The slab sides are 4m, 4m and 3m and simply
supported in 4m sides with free end on 3m. The slab carries an imposed
load of 2 kN/m
2
and finishes 1.5 kN/m
2
. Use M20 concrete and Fe 415
grade steel.
2 K4 15
OR
4. a). Analyse and design a square slab of size 4m x 4m which is continus on
all fr sides, using yield line analysis by Virtual work method. The slab
carries an imposed load of 3 kN/m
2
and finishes 1.0 kN/m
2
. Use M25
concrete and Fe 415 grade steel.
2 K4 15
UNIT - III
5. a). Analyse& Design a flat plate supported on columns spaced at 6000m in
both directions. The size of columns is 500 x 500mm and the imposed load
on panel is 4.4 kN/m
2
; Floor height is 4m; Floor finish is 1.4kN/m
2
.
Assume Fe 415 grade steel & M25 concrete. Exposure is severe
3 K5 15
OR
6. Analyse& Design a flat plate with suitable column head supported on
circular columns spaced at 7200m in both directions. Diameter of
columns is 600mm and the imposed load on panel is 4kN/m
2
; Floor
height is 3.6m; Floor finish is 1 kN/m
2
. Assume Fe 415 steel & M35
concrete. Exposure is mild
3 K5 15
UNIT - IV
7. a). Compute the thickness and reinforcements for a simply-supported transfer
girder of length 6000mm loaded from two columns at 1.50m from each
end with load 5kN. The total depth of beam is 3600mm and the width of
supports is 500. Assume Fe 415 grade steel & M25 concrete
15
OR
8. a). Analyse& Design a deep beam with an opening for the following data.
Span = 5000mm; Girder subjected to two point loads of each 4kN acting at
1.25m from supports; Total depth of beam is 3000mm; Width of supports
is 450mm; Assume Fe 415 grade steel & M20 concrete. Width and depth
of opening is 150 x 250mm; Location of bottom of opening from bottom
of beam is 1800mm.
4 K4 15
UNIT - V
9. a). Compute the maximum factored axial load carrying capacity of the slender
column using additional moment method, given that the column is braced
against sideway and has an unsupported height of 7.00m. The column
cross section is 500 x 300 mm with a clear cover of 40mm and reinforced
with three 25mm dia bars on each longer face and 8mm lateral ties.
Assume effective length ratios k
x
= k
y
= 0.85. Use M25 concrete and Fe
415 steel.
4 K4 15
OR
10. a). Design the longitudinal reinforcement for a braced column, 300 x 400 mm,
subjected to a factored load of 1500 kN and factored moments of 60 kNm
and 40 kNm w.r.t. major and minor axis respectively at the top end.
Assume that the is bent in dble curvature (in both directions) with the
moments at the bottom end are equal to 50% of the corresponding
moments at top. Assume an unsupported height of 7.00m and an effective
length ratio of 0.85 in both directions. Use M30 concrete and Fe 415 steel.
5 K5 15
CO: Crse tcome
KL: Knowledge Level
M: Marks
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This post was last modified on 28 April 2020