Advanced R.C.C. Design-Question bank
R.C.C Circular Water Tank.
Q. 1) The R.C.C. overhead circular water tank has an internal diameter 7.5m and height of wall is 4.0 m. The base slab of tank is supported over its periphery by a circular ring beam. Using M20 concrete and Fe415 steel, design the
roof slab, wall and base slab. Sketch reinforcement details. Assume freeboard of 0.3m.
Q.2) The bottom circular ring beam of R.C.C. overhead water tank has mean diameter of 7.0m and supported over six columns which are symmetrically provided. Design the ring beam for following data :-
i) size of each column – 450mm dia.
ii) U.D.L. on circular beam – 250 KN/m (inclusive S.W.)
iii) width of beam – 400mm
iv) The standard coefficients are for support B.M. Β= 0.089, for mid span B.M. β’= 0.045
v) For maximum twisting moment β’’=0.009 at 12.75 Support.
vi) Use M20 and Fe 415 steel.
Q.3) The R.C.C. overhead circular water tank has an internal diameter 8.0m and height of wall is 4.5 m. The base slab of tank is supported over its periphery by a circular ring beam. Using M20 concrete and Fe415 steel, design the
roof slab, wall and base slab. Sketch reinforcement details. Assume freeboard of 0.3m.
Q.4) The bottom circular ring beam of R.C.c. overhead water tank has mean diameter of 7.5m and supported over six
columns which are symmetrically provided. Design the ring beam for following data :-
i) size of each column – 450mm dia.
ii) U.D.L. on circular beam – 275 KN/m (inclusive S.W.)
iii) width of beam – 425mm
iv) The standard coefficients are for support B.M.
Β= 0.089, for mid span B.M. β’= 0.045
v) For maximum twisting moment β’’=0.009 at 12.75 0Support.
vi) Use M20 and Fe 415 steel.
Q.5) The R.C.C. overhead circular water tank has an internal diameter 8.0m and height of wall is 4.5 m. The base slab of tank is supported over its periphery by a circular ring beam. Using M20 concrete and Fe415 steel, design the
roof slab, wall and base slab. Sketch reinforcement details. Assume freeboard of 0.3m.
Q. 1) The R.C.C. overhead circular water tank has an internal diameter 7.5m and height of wall is 4.0 m. The base slab of tank is supported over its periphery by a circular ring beam. Using M20 concrete and Fe415 steel, design the
roof slab, wall and base slab. Sketch reinforcement details. Assume freeboard of 0.3m.
Q.2) The bottom circular ring beam of R.C.C. overhead water tank has mean diameter of 7.0m and supported over six columns which are symmetrically provided. Design the ring beam for following data :-
i) size of each column – 450mm dia.
ii) U.D.L. on circular beam – 250 KN/m (inclusive S.W.)
iii) width of beam – 400mm
iv) The standard coefficients are for support B.M. Β= 0.089, for mid span B.M. β’= 0.045
v) For maximum twisting moment β’’=0.009 at 12.75 Support.
vi) Use M20 and Fe 415 steel.
Q.3) The R.C.C. overhead circular water tank has an internal diameter 8.0m and height of wall is 4.5 m. The base slab of tank is supported over its periphery by a circular ring beam. Using M20 concrete and Fe415 steel, design the
roof slab, wall and base slab. Sketch reinforcement details. Assume freeboard of 0.3m.
Q.4) The bottom circular ring beam of R.C.c. overhead water tank has mean diameter of 7.5m and supported over six
columns which are symmetrically provided. Design the ring beam for following data :-
i) size of each column – 450mm dia.
ii) U.D.L. on circular beam – 275 KN/m (inclusive S.W.)
iii) width of beam – 425mm
iv) The standard coefficients are for support B.M.
Β= 0.089, for mid span B.M. β’= 0.045
v) For maximum twisting moment β’’=0.009 at 12.75 0Support.
vi) Use M20 and Fe 415 steel.
Q.5) The R.C.C. overhead circular water tank has an internal diameter 8.0m and height of wall is 4.5 m. The base slab of tank is supported over its periphery by a circular ring beam. Using M20 concrete and Fe415 steel, design the
roof slab, wall and base slab. Sketch reinforcement details. Assume freeboard of 0.3m.
Replies
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CIVILPRINCESSR.C.C Deck Slab Bridge.
Q. 1) State classification of IRC loading for highway bridge with their salient features.
Q. 2) Design R.C.C. bridge deck slab to suit following data :-
i) Carriageway – Two lane – 7.5mm wide
ii) Clear span – 5.0m
iii) Footpath – 1200mm wide on either side
iv) Width of bearing – 450mm
v) Wearing coat – 80mm
vi) Loading IRC class AA tracked vehicle
vii) Use M20 concrete and Fe415 steel
ix) Impactor for 5m span is 25% and linearly decreasing to 10% for 9m span.
Draw reinforcement details.
Q. 3) Design R.C.C. bridge deck slab to suit following data :-
i) Carriageway – Two lane – 7.5mm wide
ii) Clear span – 5.0m
iii) Footpath – 1200mm wide on either side
iv) Width of bearing – 450mm
v) Wearing coat – 80mm
vi) Loading IRC class –B Loading
vii) Use M20 concrete and Fe415 steel
ix) Impactor for 5m span is 25% and linearly decreasing to 10% for 9m span.
Draw reinforcement details. -
CIVILPRINCESSPortal Frames.
Q. 1) A large hall is to be provided with rectangular frames for following data
i) Centre to centre of frames – 3.5m
ii) Centre to centre of column – 3.5m
iii) Height of frame from top of footing to centre line of beam – 6.0m
iv) size of beam – 250mm x 500mm
v) Ibeam = 2.0 Icolumn
vi) Overall thickness of slab = 125mm
vi) Live load on slab = 2.5 KN/m2
vii) M20 concrete and Fe415 steel is used
Analyze interior frame, draw B.M.D. and design the beam. Sketch reinforcement details of beam
Q. 2) A large hall is to be provided with rectangular frames for following data
i) Centre to centre of frames – 4.00 m
ii) Centre to centre of column – 3.5m
iii) Height of frame from top of footing to centre line of beam – 6.0m
iv) size of beam – 250mm x 550mm
v) Ibeam = 2.0 Icolumn
vi) Overall thickness of slab = 125mm
viii) Live load on slab = 2.5 KN/m2
ix) M20 concrete and Fe415 steel is used
Analyze interior frame, draw B.M.D. and design the beam. Sketch reinforcement details of beam
Q. 3) A large hall is to be provided with rectangular frames for
following data
i) Centre to centre of frames – 3.5m
ii) Centre to centre of column – 4.0m
iii) Height of frame from top of footing to centre line of beam – 6.0m
iv) size of beam – 300mm x 500mm
v) Ibeam = 2.0 Icolumn
vi) Overall thickness of slab = 125mm
x) Live load on slab = 2.5 KN/m2
xi) M20 concrete and Fe415 steel is used
Analyze interior frame, draw B.M.D. and design the beam. Sketch reinforcement details of beam
Q. 4) A large hall is to be provided with rectangular frames for
following data
i) Centre to centre of frames – 3.25m
ii) Centre to centre of frames – 3.25m
iii) Height of frame from top of footing to centre line
of beam – 6.0m
iv) size of beam – 250mm x 450mm
v) Ibeam = 2.0 Icolumn
vi) Overall thickness of slab = 125mm
xiv) Live load on slab = 2.5 KN/m2
xv) M20 concrete and Fe415 steel is used
Analyze interior frame, draw B.M.D. and design the beam. Sketch reinforcement details of beam -
CIVILPRINCESSCylindrical Shell.
Q.1) Design an interior panel of a cylindrical shell roof covering plan area of 12m x 30m (effective) by beam method. The semi-central angle is 380. Assume suitable size of edge beam and thickness. Live load on shell is 1KN/m2. Use M20 concrete and Fe415 steel. Draw reinforcement details.
Q.2) Design a suitable footing for following data :-
a) Axial load through column
due to D.L. – 700 KN
due to D.L. – 300 KN
b) The B.M. (Uniaxial on footing
due to D.L. – 45 KN
due to D.L. – 25 KN
c) The size of column is 500mm x 300mm
d) The safe bearing capacity of soil is 275KN/m2
e) Use M20 Concrete and Fe415 steel sketch reinforcement details.
Q.3) Design an interior panel of a cylindrical shell roof
covering plan area of 10m x 30m (effective) by beam method. The semi-central angle is 360 .
Assume suitable size of edge beam and thickness. Live load on shell is 1KN/m2. Use M20
concrete and Fe415 steel. Draw reinforcement details.
Q.4) Design an interior panel of a cylindrical shell roof
covering plan area of 12m x 32m (effective) by
beam method. The semi-central angle is 400 .
Assume suitable size of edge beam and
thickness. Live load on shell is 1KN/m2. Use M20
concrete and Fe415 steel. Draw reinforcement
details.
Q.5) Design a suitable footing for following data :-
a) Axial load through column
due to D.L. – 800 KN
due to D.L. – 400 KN
b) The B.M. (Uniaxial on footing
due to D.L. – 60 KN
due to D.L. – 40 KN
c) The size of column is 500mm x 300mm
d) The safe bearing capacity of soil is 275KN/m2
e) Use M20 Concrete and Fe415 steel sketch reinforcement details
Q.6) Design an interior panel of a cylindrical shell roof covering plan area of 10m x 25m (effective) by beam method. The semi-central angle is 380 .Assume suitable size of edge beam and thickness. Live load on shell is 1KN/m2. Use M20 concrete and Fe415 steel. Draw reinforcement details.
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