In: Civil Engineering

**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.*

Aquare column footing - Bouch Luan tid interior column that bupats lode of Sad Loods Hok W Love Crad - 20k - W, cotiem Haned u g baw final grade Bottom of the tooling anfoot below soit weighs 100 lb lihts allowable oil presunt = uw kot concrete strength - 4,000 psi. Grade of steel = 60 canal force bath at the clumn plain conent footing In case ot, tilt bonito er of of column have occurs bove: artal road at the Total axial load => wetuz. => HO + 210 + 38 ok Portoud lood Pue S05 & 570k

Lomoting beating Bir af Me column groting intefare A: 12020 coin Death in the c u gotuned by the column Race and not at the footine face be mat 055* 4000+ 0 Pamazoops mit bearing haittance fes - 1800 HOD 420000 px 420000W > Actoled lood CR Thus fuul transfer of toodangu pouble column without any reinforcement from tootrng to della ton of the size of the facting required hock felt about 101.04 e column Bree 10( 380) 380k. 105 Bay area required a 3 380 +38 104. #

Fecting a prouded = 10. 1 103# 1. Lou-OUP * coleculating the depth of footing: - besestal grade of feating depth to sleet. O fenten det footing depth D & le 10.2-0.4) & tanca eahere Tan & 2 0.9 1009 mar tot size Duo-2 102851H. 5200 ft Bequetied mi rtino curat quid Re n t 0-12 . 1 min 0.002 0215 - 0.06.de provided 8 no of dia of bars. 5 88 "/28") 40213gen provided in the both the duiston curth Ast clear cover => 0.24603 t oaste Spacing of bars & 10.2 - 0.25 (2) - 188/10 Spacing of bars = 1.2905ft/

** Check for fort beamong pressure given wat werght of 8011 af 100 lbffes concrete strength e 4000 psi Sell base preserve -> $80 + 1100(5) + 10-2012 10oC) 9hos 3-6524 + 20,000 + 150 =Y 20153 .65 psi Sort Base prekure = 20,153-65 2100RSF Ok - Soinske 80 bon coord 10. 13 Pensortiment detailing

. 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 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 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

Problem 3 A column supports a roof and a second floor. The loads
that act on the column are shown below. Using the ASCE 7 load
combinations determine the factored design load in the column just
above the second floor and the factored design load in the column
just above the foundation. Show all load combination calculations
and identify the controlling load combination and resulting load
values at each design location. ( “ - “ load : indicates it is...

1
design a column that supports 4500 lb if it is 12 feet long

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.

1) Design a Tied column to support axial Dead load D = 280 K and
axial live load = 500 k, initially assume 2% longitudinal
reinforcement f’c = 4000 psi, fy = 60,000 psi.
2) Sketch the column cross-section and show long bars and
ties

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