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Determine the allowable gross vertical loadbearing of a square foundation with the following parameters: B = 3m, D₁ = 2m, o' = 30°, c' = 0, y = 16.5 kN/m³. Use Terzaghi's equation and assume general shear failure in soil. Use FS = 4. Recall q=Y DE

Determine the allowable gross vertical loadbearing of a square foundation with the following parameters: B = 3m, D₁ = 2m, o' = 30°, c' = 0, y = 16.5 kN/m³. Use Terzaghi's equation and assume general shear failure in soil. Use FS = 4. Recall q=Y DE

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Use Terzaghi's equation and Terzaghi's Table 

QUESTION 1 1. Determine the allowable gross vertical loadbearing of a square foundation with the following parameters: B = 3m, D = 2m, o' = 30°, c' = 0, y = 16.5 kN/m³. Use Terzaghi's equation and assume general shear failure in soil. Use FS = 4. Recall q=Y DE
Transcribed Image Text:QUESTION 1 1. Determine the allowable gross vertical loadbearing of a square foundation with the following parameters: B = 3m, D = 2m, o' = 30°, c' = 0, y = 16.5 kN/m³. Use Terzaghi's equation and assume general shear failure in soil. Use FS = 4. Recall q=Y DE
TABLE 6.1 (Terzaghi's Bearing Capacity Factors-Eqs. (6.17), (6.15), and (6.13)* N₂ N₂ 14.21 9.84 15.90 11.60 13.70 N₂ 5.70 6.00 6.30 6.62 6.97 7.34 7.73 8.15 8.60 9.09 9.61 10.16 10.76 11.41 12.11 12.86 13.68 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 25.13 "From Kumbhojkar (1993) 14.60 15.12 16.56 17.69 18.92 20.27 N₁ N₂ 1.00 1.10 1.22 1.35 1.49 1.64 1.81 2.00 2.21 2.44 2.69 0.56 2.98 0.69 3.29 3.63 4.02 4.45 4.92 5.45 6.04 6.70 3.07 7.44 3.64 8.26 4.31 9.19 5.09 10.23 6.00 11.40 7.08 12.72 8.34 21.75 23.36 0.00 0.01 0.04 0.06 0.10 0.14 0.20 0.27 0.35 0.44 0.85 1.04 1.26 1.52 1.82 2.18 2.59 N₂ 26 27.09 27 29.24 28 31.61 29 34.24 30 37.16 31 40.41 22.65 32 44.04 26.87 33 48.09 31.94 34 52.64 38.04 35 57.75 45.41 36 63.53 54.36 37 70.01 65.27 38 77.50 78.61 39 85.97 95.03 40 95.66 115.31 41 106.81 140.51 42 119.67 108.75 171.99 43 134.58 126.50 211.56 151.95 147.74 261.60 45 172.28 173.28 325.34 46 196.22 204.19 407.11 47 224.55 241.80 512.84 48 258.28 287.85 650.67 49 298.71 344.63 831.99 50 347.50 415.14 1072.80 17.81 19.98 22.46 25.28 28.52 32.23 36.50 41.44 47.16 53.80 61.55 70.61 81.27 93.85 16.18 19.13 To estimate the ultimate bearing capacity of square and circular foundations, Eq. (6.10) may be respectively modified to q=1.3c'N, +qN₂ +0.4yBN, (square foundation) (6.19)
Transcribed Image Text:TABLE 6.1 (Terzaghi's Bearing Capacity Factors-Eqs. (6.17), (6.15), and (6.13)* N₂ N₂ 14.21 9.84 15.90 11.60 13.70 N₂ 5.70 6.00 6.30 6.62 6.97 7.34 7.73 8.15 8.60 9.09 9.61 10.16 10.76 11.41 12.11 12.86 13.68 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 25.13 "From Kumbhojkar (1993) 14.60 15.12 16.56 17.69 18.92 20.27 N₁ N₂ 1.00 1.10 1.22 1.35 1.49 1.64 1.81 2.00 2.21 2.44 2.69 0.56 2.98 0.69 3.29 3.63 4.02 4.45 4.92 5.45 6.04 6.70 3.07 7.44 3.64 8.26 4.31 9.19 5.09 10.23 6.00 11.40 7.08 12.72 8.34 21.75 23.36 0.00 0.01 0.04 0.06 0.10 0.14 0.20 0.27 0.35 0.44 0.85 1.04 1.26 1.52 1.82 2.18 2.59 N₂ 26 27.09 27 29.24 28 31.61 29 34.24 30 37.16 31 40.41 22.65 32 44.04 26.87 33 48.09 31.94 34 52.64 38.04 35 57.75 45.41 36 63.53 54.36 37 70.01 65.27 38 77.50 78.61 39 85.97 95.03 40 95.66 115.31 41 106.81 140.51 42 119.67 108.75 171.99 43 134.58 126.50 211.56 151.95 147.74 261.60 45 172.28 173.28 325.34 46 196.22 204.19 407.11 47 224.55 241.80 512.84 48 258.28 287.85 650.67 49 298.71 344.63 831.99 50 347.50 415.14 1072.80 17.81 19.98 22.46 25.28 28.52 32.23 36.50 41.44 47.16 53.80 61.55 70.61 81.27 93.85 16.18 19.13 To estimate the ultimate bearing capacity of square and circular foundations, Eq. (6.10) may be respectively modified to q=1.3c'N, +qN₂ +0.4yBN, (square foundation) (6.19)
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