Page 260 - Buried Pipe Design

125 — 3,326 3,453 4,664 2,348 — 1,426 3,634 0.36 0.67 0.64 — 0.49 — 0.62 0.72

100 1,000 3,691 3,557 3,359 2,589 — 1,488 4,206 0.59 0.75 0.65 0.92 0.54 — 0.65 0.84

P / I 0.71 0.91 0.74 0.98 0.69 1.05 0.78 0.90
3,956
4,526
1,200
3,587
1,789
2,923
4,516
333
Internal pressure, lb/in 2 50 Strain 1,800 4,669 4,095 3,469 3,921 4,333 1,897 4,805 Rerounding coefficient R 1.06 0.94 0.76 0.95 0.82 1.57 0.83 0.95
75

1,700 5,300 4,672 3,247 4,363 6,222 1,947 4,769 1.00 1.07 0.87 0.89 0.51 2.25 0.85 0.95
25

1,700 4,954 5,377 3,651 4,807 2,763 2,288 5,037 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
0

Initial deflection, percent 1.60 4.50 4.90 4.40 3.20 7.60 1.90 2.40 1.60 4.50 4.50 4.40 3.28 7.60 1.50 2.40

Cover, ft 3.00 6.50 6.50 6.50 6.50 10.00 10.00 10.00 3.00 6.50 6.50 6.50 6.50 10.00 10.00 10.00

Complete Haunch Pipe Proctor stiffness, density, lb/in 2 percent 5 80 13 85 13 85 13 85 92 85 92 85 13 95 92 95 5 80 13 85 13 85 13 85 92 85 92 85 13 95 92 95

TABLE 4.11 Test no. CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8 CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8

232