Figure 8.
The response of the force transducer (a) as the pipe is being lowered into the trench and (b) after the backfill was placed.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.