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.
Model of two perpendicularly arranged struts as a representation of the whole strut network. x and 1 – x denote the relative contributions of axial and radial tube strain, respectively, to the effective strain that would be measured in vertical direction.
