In: Civil Engineering

Design an isolated rectangular footing to support an interior column 40 cm × 40 cm in cross section and carries a dead load of 800 kN and a live load of 600 kN. Use f́c= 21 MPa, fy= 420 MPa, q all (net) =200 kN / m2 , γsoil = 17 kN /m3 , and Df =1.25 m. Space limitations are such that one lateral dimension cannot exceed 2.5 m

QUESTIONS:
Design a square column footing for a 20-in. square
tied interior column that supports loads of DL (170) k and Live
load LL (210) k. The column is reinforced with eight No 8 bars, the
bottom of the footing is 5 foot below final grade, and the soil
weighs 100 lb. /ft3 the allowable soil pressure is 4 w ksf. The
concrete strength is 4,000 psi and the steel is Grade
60.

. Design a square footing for a 16-in. square
interior column with an ultimate dead load = 300
(k) and an ultimate live load = 200
(k). Take fy=60,000 psi,
fc=4000 psi, normal weight, and
qa= 4500 psf. Assume the base of the
footing is 4 (ft.) below grade. Draw the
reinforcement detail also. Check for one way and two way shears
with the support of diagram. With ACI code

Q.2. Design a square footing for a 16-in.
square interior column with an ultimate dead load =
W1 (k) and an ultimate live load =
W2 (k). Take
fy=60,000 psi, fc=4000 psi,
normal weight, and qa= (w) psf. Assume
the base of the footing is h (ft.) below grade.
Draw the reinforcement detail also. Check for one way and two way
shears with the support of
diagram.
Student shall take the data given below in the table against...

Design for britishcode 8110
Design a square pad footing for a 300 mm square column
supporting a factored axial load of 800 kN. Safe bearing capacity
of soil is 200 kN/m2, fcu=20
N/mm2, fy=415 N/mm2.Design a
square pad footing for a 300 mm square column supporting a factored
axial load of 800 kN. Safe bearing capacity of soil is 200
kN/m2, fcu=20 N/mm2,
fy=415 N/mm2.

Design a strap footing to support the two columns. These
structural elements are spaced at a distance of 5.4 m center to
center. Exterior column is 300 mm x 300 mm and carries a dead load
of 250 KN and a live load of 300 KN. Interior column is also 350 mm
x 350 mm in cross section and carries a dead load of 360 KN and a
live load of 580 KN.
Use f'c = 21 MPa, fy =...

Design a square footing for a 18-inch. square column and a
superimposed dead load of 200 kips and a live load of 300 kips. The
maximum permissible soil pressure is 4000 psf. Use concrete with a
design strength of 3 ksi and grade 40 reinforcing bars with yield
strength of 40 ksi.

Design a wall footing to support a 30cm − wide reinforced
concrete wall with a dead load DL =293 KN/m and a live load
LL = 218 KN/m. The bottom of the footing is to be 1. 2m below
the
final grade, the soil weighs 16 KN m3 ⁄ , the allowable soil
pressure, qa = 192 KN m2 ⁄ , and there is no appreciable
sulfur
content in the soil. fy = 420MPa and fc′ = 21MPa, normal-
weight...

The detail of column and pad footing are as under:
[5]
Size of column:
300 mm x 300 mm.
Live load on column: 900
kN.
Dead load on column: 1200
kN.
Soil Bearing Pressure: 180
kN/m² and Depth of footing as 400 mm
Nominal cover: 50 mm and 20 mm
diameter bars for reinforcement
Design the footing for bending.
Check the footing in two way shear.
iii. Write the reasons for...

Design an individual column footing where DL = 200k, LL = 500k,
allowable soil pressure = 3k/ft2, f′c col = 4ksi, f′c ftg = 3ksi,
28″ x 28″ column, supporting interior column.

Design an individual column footing where DL = 200k, LL = 500k,
allowable soil pressure = 3k/ft2, f′c col = 4ksi, f′c ftg = 3ksi,
28″ x 28″ column, supporting interior column.

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