Research Article

Influence of Backfill Compaction on Mechanical Characteristics of High-Density Polyethylene Double-Wall Corrugated Pipelines

Table 5

Increments of maximum circumferential strain of the pipe.

ConditionCrest (%)Valley (%)Liner (%)Difference between valley strain and liner strain (%)

L010000
L0225283427
L0318263327
L01-L025131612
L01-L0320282320
L02-L0315142213
L01-L02-L0315172414
L01-R0230323830
L01-R0319334042
L02-R0332394836