Page 258 - Buried Pipe Design

125 1,649 7,318 6,759 1,239 4,052 6,493 6,759 7,299 6,360 9,255 7,533 0.36 0.66 0.68 0.32 0.63 0.53 0.83 0.66 0.61 0.52 0.64

100 2,058 8,222 8,456 1,367 4,769 7,303 6,697 8,486 6,960 9,946 7,749 0.45 0.74 0.85 0.36 0.74 0.59 0.83 0.76 0.67 0.55 0.66

P / I 0.73 0.73 0.86 0.50 0.81 0.68 0.92 0.77 0.84 0.68 0.76
8,330
7,423
3,312
8,074
1,929
5,201
8,727
12,157
8,438
8,500
8,915
Internal pressure, lb/in 2 50 Strain 3,776 10,131 9,883 2,355 5,604 11,083 6,977 6,405 9,228 12,988 10,925 Rerounding coefficient R 0.83 0.91 1.00 0.61 0.67 0.50 0.85 0.58 0.89 0.73 0.93
75
3,373 3,376 5,559 8,246 9,732 9,529 0.74 1.32 1.04 0.88 0.87 0.90 1.02 0.88 0.92 0.94 0.99
25 14,601 10,356 11,068 16,777 11,597

4,533 9,916 3,839 6,425 8,103 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
0 11,094 12,331 11,028 10,381 17,776 11,716

Initial deflection, percent 2.90 7.90 10.20 3.00 4.00 7.70 5.38 7.70 6.50 8.70 5.20 2.90 7.90 10.00 3.80 4.00 7.70 5.30 7.70 6.50 5.70 5.20

Cover, ft 10.00 10.00 10.00 3.00 3.00 6.50 5.58 6.50 6.50 5.50 6.50 10.00 10.00 10.00 3.00 3.00 6.50 5.50 6.50 6.50 5.50 6.50

Pipe stiffness, lb/in 2 13 92 92 5 13 35 92 35 35 92 92 13 92 13 5 13 35 92 35 35 92 92

Poor Haunch Proctor density, percent 90 85 80 80 80 80 80 80 80 80 85 90 85 80 80 80 80 80 80 80 80 85

TABLE 4.10 Test no. PH1 PH2 PH3 PH4 PH5 PH6 PH7 PH8 PH9 PH10 PH11 PH1 PH2 PH3 PH4 PH5 PH6 PH7 PH8 PH9 PH10 PH11

231