Page 197 - Buried Pipe Design
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Design of Gravity Flow Pipes 171
B B
A A
Vertical Soil Pressure, lb/in 2
Vertical Deflection
Horizontal Deflection
Pipe Deflection, %
Figure 3.52 Vertical soil pressure versus pipe deflection. (A) Soil box data 90 percent rel-
ative compaction, silty sand; (B) FEA with compaction simulation.
Thrust Strain
Bending Strain
B
m in/in A
Strain, B
–
A
–
Position on Pipe, degrees
Figure 3.53 Pipe strain as function of circumferential position, conditions as in Fig. 3.52.