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2. The column load of a square foundation (Figure 1) is given. If the depth of foundation D= 4 ft, 0=30°, and c = 0. Using Terzaghi's bearing capacity equation and FS = 2.5, determine the proper size of the footing. D.L. = 80 kip L.L. = 60 kip qult = 1.3 c N. + qN, + 0.4 y B N, Figure 1 TABLE 2.1 Terzaghi's Bearing Capacity Factors-Eqs. (2.32), (2.33), and (2.34) N. N. N, N. N, N, N. N, N, Ysoi = 118 pcf 2 ft W.T 5.70 1.00 0.00 17 14.60 6.00 1.1 0.01 18 15.12 6.30 1.22 0.04 19 16.57 6.62 1.35 0.06 20 17.69 6.97 1.49 0.10 21 18.92 7.34 1.64 0.14 22 20.27 7.73 1.81 0.20 23 21.75| 10.23 8.15 2.00 0.27 24 23.36 11.40 8.60 2.21 0.35 25 25.13 12.72 9.09 2.44 0.44 26 27.09| 14.21 2.18 34 2.59 35 3.07 36 3.64 37 38 5.09 39 6.00 40 38.04 45.41 54.36 65.27 78.61 95.03 5.45 52.64 36.50 D, = 4m 1 6.04 57.75 41.44 6.70 7.44 63.53 47.16 3 70.01 53.80 77.50 85.97 4 8.26 4.31 61.55 3m x2m 70.61 81.27 93.85 42 119.67| 108.75 134.58 126.50 44 151.95 147.74 173.28 12 10.76 3.29 0.85 29 34.24 19.98 16.18 46 196.22| 204.19 13 11.41 3.63 1.04 30 37.16 22.46 19.13 47 224.55 241.80 14 12.11 4.02 |1.26 31 40.41 25.28 22.65 48 258.28 287.85 15 12.86 4.45 1.52 32 44.04 28.52 26.87 49 298.71| 344.63 5 9.19 115.31 140,51 171.99 211.56 261.60 6. 95.66 7.08 41 106.81 8.34 43 9.61 2.69 0.56 27 29.24 15.90 11.60 9 9.84 10 11 10.16 2.98 0.69 28 31.61 17.81 13.70 45 172.28 325.34 407.11 512.84 650.87 831.99 16 13.68 4.92 |1.82 33 48.09 32.23 31.94 50 347.50 415.14| 1072.80

2. The column load of a square foundation (Figure 1) is given. If the depth of foundation D= 4 ft, 0=30°, and c = 0. Using Terzaghi's bearing capacity equation and FS = 2.5, determine the proper size of the footing. D.L. = 80 kip L.L. = 60 kip qult = 1.3 c N. + qN, + 0.4 y B N, Figure 1 TABLE 2.1 Terzaghi's Bearing Capacity Factors-Eqs. (2.32), (2.33), and (2.34) N. N. N, N. N, N, N. N, N, Ysoi = 118 pcf 2 ft W.T 5.70 1.00 0.00 17 14.60 6.00 1.1 0.01 18 15.12 6.30 1.22 0.04 19 16.57 6.62 1.35 0.06 20 17.69 6.97 1.49 0.10 21 18.92 7.34 1.64 0.14 22 20.27 7.73 1.81 0.20 23 21.75| 10.23 8.15 2.00 0.27 24 23.36 11.40 8.60 2.21 0.35 25 25.13 12.72 9.09 2.44 0.44 26 27.09| 14.21 2.18 34 2.59 35 3.07 36 3.64 37 38 5.09 39 6.00 40 38.04 45.41 54.36 65.27 78.61 95.03 5.45 52.64 36.50 D, = 4m 1 6.04 57.75 41.44 6.70 7.44 63.53 47.16 3 70.01 53.80 77.50 85.97 4 8.26 4.31 61.55 3m x2m 70.61 81.27 93.85 42 119.67| 108.75 134.58 126.50 44 151.95 147.74 173.28 12 10.76 3.29 0.85 29 34.24 19.98 16.18 46 196.22| 204.19 13 11.41 3.63 1.04 30 37.16 22.46 19.13 47 224.55 241.80 14 12.11 4.02 |1.26 31 40.41 25.28 22.65 48 258.28 287.85 15 12.86 4.45 1.52 32 44.04 28.52 26.87 49 298.71| 344.63 5 9.19 115.31 140,51 171.99 211.56 261.60 6. 95.66 7.08 41 106.81 8.34 43 9.61 2.69 0.56 27 29.24 15.90 11.60 9 9.84 10 11 10.16 2.98 0.69 28 31.61 17.81 13.70 45 172.28 325.34 407.11 512.84 650.87 831.99 16 13.68 4.92 |1.82 33 48.09 32.23 31.94 50 347.50 415.14| 1072.80

Structural Analysis
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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Solve the third question. If possible solve the 2nd too. But first priority is 3rd problem. Will definitely give an upvote. Thanks in advance.

2. The column load of a square foundation (Figure 1) is given. If the depth of foundation D= 4 ft, 0=30°, and c = 0. Using Terzaghi's bearing capacity equation and FS = 2.5, determine the proper size of the footing. D.L. = 80 kip L.L. = 60 kip qult = 1.3 c N. + qN, + 0.4 y B N, Figure 1 TABLE 2.1 Terzaghi's Bearing Capacity Factors-Eqs. (2.32), (2.33), and (2.34) N. N, N. N. N, N, N N. N, Yeoi = 118 pcf 2ft W.T 5.70 1.00 J0,00 |17 |14.60 5.45 6.04 2.18 34 52.64 36.50 38.04 45.41 D, = 4m 0.01 18 | 15.12 1.22 J0.04 | 19 | 16,57 6.62 |1.35 |0.06 | 20 | 17.69 |1.49 0.10 21 1.64 0.14 22 | 20.27 1.81 0.20 23 21.75 2.00 0.27 24 23.36 8.60 |2.21 0.35 25 25.13 9.09 2.44 0.44 26 27.09 9.61 2.69 0.56 27 29.24 1 6.00 |1.1 2.59 35 57.75 41.44 2 6.30 6.70 3.07 36 63.53 47.16 54.36 3 7.44 3.64 37 70.01 53.80 65.27 8.26 9.19 4 4.31 38 77.50 61.55 78.61 6.97 7.34 18.92 3m x2m 5.09 39 85.97 70.61 95.03 7.73 95.66 106.81 119.67 6. 10.23 6.00 40 81.27 115.31 8.15 11.40 7.08 41 93.85 140.51 8 12.72 8.34 42 108.75 171.99 43 134.58 211.56 261.60 325.34 407.11 14.21 9.84 15.90 |11.6044 | 151.95 17.81 13.7045 | 172.28 126.50 10 11 l10.16 |2.98 0.69 28 | 12 10.76 3.29 0.85 29 34.24| 19.98 16.18 | 13 11.41 14 l12.11 | 15 12.86 16 13.68 147.74 173.28 46 196.22| 204.19 224.55 | 241.80 258.28 287.85 31.61 3.63 1.04 30 37.16 4.02 |1.26 31 40.41 4.45 1.52 32 44.04 4.92 |1.82 33 48.09 22.46 19.13 47 512.84 25.28 22.65 48 28.52 26.87 49 32.23 31.94 650.87 344.63 415.14 831.99 1072.80 298.71 50 347.50 3. For the footing in problem 2, determine the adequate thickness and the needed reinforcement if the column size is 18 in x 18 in and has 8 rebars # 6.
Transcribed Image Text:2. The column load of a square foundation (Figure 1) is given. If the depth of foundation D= 4 ft, 0=30°, and c = 0. Using Terzaghi's bearing capacity equation and FS = 2.5, determine the proper size of the footing. D.L. = 80 kip L.L. = 60 kip qult = 1.3 c N. + qN, + 0.4 y B N, Figure 1 TABLE 2.1 Terzaghi's Bearing Capacity Factors-Eqs. (2.32), (2.33), and (2.34) N. N, N. N. N, N, N N. N, Yeoi = 118 pcf 2ft W.T 5.70 1.00 J0,00 |17 |14.60 5.45 6.04 2.18 34 52.64 36.50 38.04 45.41 D, = 4m 0.01 18 | 15.12 1.22 J0.04 | 19 | 16,57 6.62 |1.35 |0.06 | 20 | 17.69 |1.49 0.10 21 1.64 0.14 22 | 20.27 1.81 0.20 23 21.75 2.00 0.27 24 23.36 8.60 |2.21 0.35 25 25.13 9.09 2.44 0.44 26 27.09 9.61 2.69 0.56 27 29.24 1 6.00 |1.1 2.59 35 57.75 41.44 2 6.30 6.70 3.07 36 63.53 47.16 54.36 3 7.44 3.64 37 70.01 53.80 65.27 8.26 9.19 4 4.31 38 77.50 61.55 78.61 6.97 7.34 18.92 3m x2m 5.09 39 85.97 70.61 95.03 7.73 95.66 106.81 119.67 6. 10.23 6.00 40 81.27 115.31 8.15 11.40 7.08 41 93.85 140.51 8 12.72 8.34 42 108.75 171.99 43 134.58 211.56 261.60 325.34 407.11 14.21 9.84 15.90 |11.6044 | 151.95 17.81 13.7045 | 172.28 126.50 10 11 l10.16 |2.98 0.69 28 | 12 10.76 3.29 0.85 29 34.24| 19.98 16.18 | 13 11.41 14 l12.11 | 15 12.86 16 13.68 147.74 173.28 46 196.22| 204.19 224.55 | 241.80 258.28 287.85 31.61 3.63 1.04 30 37.16 4.02 |1.26 31 40.41 4.45 1.52 32 44.04 4.92 |1.82 33 48.09 22.46 19.13 47 512.84 25.28 22.65 48 28.52 26.87 49 32.23 31.94 650.87 344.63 415.14 831.99 1072.80 298.71 50 347.50 3. For the footing in problem 2, determine the adequate thickness and the needed reinforcement if the column size is 18 in x 18 in and has 8 rebars # 6.
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