Figure 3.
Measured slumps of geopolymer concrete with percentage placement of glass bubble (0, 2.5, 5.0, 7.5, 10, 20, and 30%).
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.