Page 259 - Buried Pipe Design
P. 259

Initial Internal pressure, lb/in 2  deflection,  125  100  75  50  25  0  percent  Strain  —  1,000  1,200  1,800  1,700  1,700  1.60  3,326  3,691  4,526  4,669  5,300  4,954  4.50  3,453  3,557  3,956  4,095  4,672  5,377  4.90  4,664  3,359  3,587  3,469  3,247  3,651  4.40  2,348  2,589  333





                    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
   254   255   256   257   258   259   260   261   262   263   264