Issue 30

A. Namdar et alii, Frattura ed Integrità Strutturale, 30 (2014) 138-144; DOI: 10.3221/IGF-ESIS.30.18

500 The mixed soil type Safe bearing capacity of soil foundation (kN/m 2 ) d=1.00 (m) d=1.30 (m) d=1.60 (m) d=1.90 (m) d=2.20 (m) d=2.50 (m) 1000 1500 2000 2500 3000

w= width of square footing = 2.5 d= depth of square footing

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0

Figure 1 : Safe bearing capacity of soil foundation (kN/m 2 ) Vs the mixed soil type.

Sl. No

Φ Degree

C (kN/m 2 )

w=1.00 (m) 1289.96 1133.52 2373.51 1180.57 606.29 723.74 352.62 628.94 510.92 985.82 299.28 497.41 336.06 603.82 1155.99

w=2.50 (m) 1577.81 1470.58 2735.73 1382.56 700.81 822.31 368.96 703.14 570.14 1169.07 308.94 522.44 357.89 653.38

 (kN/m 3 )

w=1.30 (m) w=1.60 (m) w=1.90 (m) w=2.20 (m)

21.94 21.83 23.46 23.82 20.09 20.95 23.35 20.96 21.61 21.61 21.56 21.07 21.83 21.18 23.02

38 39 39 36 32 32 18 30 28 36 15 22 21 27 40

21 12 46 28 20 26 44 28 26 22 47 49 33 38

1 2 3 4 5 6 7 8 9

1347.53 1200.93 2445.96 1220.96 625.19 743.46 355.89 643.78 522.77 1022.47 301.21 502.41 340.43 613.74 1237.76

1405.10 1268.34 2518.40 1261.36 644.10 763.17 359.16 658.62 534.61 1059.12 303.14 507.42 344.80 623.65 1319.53

1462.67 1335.76 2590.84 1301.76 663.00 782.89 362.43 673.46 546.45 1095.77 305.07 512.43 349.16 633.56 1401.30

1520.24 1403.17 2663.29 1342.16 681.91 802.60 365.69 688.30 558.29 1132.42 307.01 517.43 353.53 643.47 1483.06

10 11 12 13 14 15

8

1564.83 Table 3 : Safe bearing capacity of soil foundation (kN/m 2 ) when depth of square footings is 1.00 m.

w=1.00 (m) w=1.30 (m) w=1.60 (m) w=1.90 (m) w=2.20 (m) w=2.50 (m)

500 The mixed soil type Safe bearing capacity of soil foundation (kNm 2 ) w= width of square footing d= depth of square footing = 1.00 (m) 1000 1500 2000 2500 3000

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0

Figure 2 : Safe bearing capacity of soil foundation (kN/m 2 ) Vs the mixed soil type.

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