Column Footings For Problems 12.7 to 12.12, design square single-column footings for the values given. All coiumns are interior columns. Column size (in.) Distance from bottom of footing to final grade (ft) Problem D (k) L(k) (ksi), (ksi) 9. (ksf) no. 12.7 12 x 12 100 160 60 4. 128 100 60

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Problem 12.7
For Problems 12.1 to l2.5, desigh Wall foo
concrete
Distance from bottom of
Wall
thickness (in.)
Problem
D (k/ft)
L(k/ft)(ksi) ,(ksi)
9. (ksf)
footing to final grade (ft)
no.
12.1
14
15
12
4.
60
3.
12.2
14
21
20
60
4.
12.3
15
15
18
60
5n
12.4
13
24
30
4
60
4
4.
12.5
12
10
8.
4
60
4.
(Answer to Problem 12.1: 15-in. footing, 10 ft 3 in, wide with #7 bars @ 9-in, main steel)
(Answer to Prablem 12.3: 15-in. footing, 7 ft 6 in. wide with #5 bars @ 6-in. main steel)
(Answer to Problem 12.5; 10-in. footing, 4 ft 0 in. wide with #5 bars @ 15-in. main steel
Problem 12.6
Repeat Problem 12.1 if a masonry wall is used.
Column Footings
For Problems 12.7 to 12.12, design square single-column footings for the values given. All celumns are interior columns.
Column
size (in.)
Distance from bottom of
footing to final grade (ft)
Problem
D (k)
L(k)
f(ksi),(ksi)
9. (ksf)
no.
12.7
12 x 12
100
160
4.
60
4
12.8
12 x 12
100
80
3
60
15
12.9
15 x 15
160
150
4
60
4.
12.10
15 x 15
150
120
60
4.
12.11
16 x 16
110
100
60
12.12
Round, 18 dia.
240
140
4
60
38888 3
Transcribed Image Text:For Problems 12.1 to l2.5, desigh Wall foo concrete Distance from bottom of Wall thickness (in.) Problem D (k/ft) L(k/ft)(ksi) ,(ksi) 9. (ksf) footing to final grade (ft) no. 12.1 14 15 12 4. 60 3. 12.2 14 21 20 60 4. 12.3 15 15 18 60 5n 12.4 13 24 30 4 60 4 4. 12.5 12 10 8. 4 60 4. (Answer to Problem 12.1: 15-in. footing, 10 ft 3 in, wide with #7 bars @ 9-in, main steel) (Answer to Prablem 12.3: 15-in. footing, 7 ft 6 in. wide with #5 bars @ 6-in. main steel) (Answer to Problem 12.5; 10-in. footing, 4 ft 0 in. wide with #5 bars @ 15-in. main steel Problem 12.6 Repeat Problem 12.1 if a masonry wall is used. Column Footings For Problems 12.7 to 12.12, design square single-column footings for the values given. All celumns are interior columns. Column size (in.) Distance from bottom of footing to final grade (ft) Problem D (k) L(k) f(ksi),(ksi) 9. (ksf) no. 12.7 12 x 12 100 160 4. 60 4 12.8 12 x 12 100 80 3 60 15 12.9 15 x 15 160 150 4 60 4. 12.10 15 x 15 150 120 60 4. 12.11 16 x 16 110 100 60 12.12 Round, 18 dia. 240 140 4 60 38888 3
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