ABD Matrix
new - composite document repository, technical
depot for engineers, researchers, designers, composite
engineering job board, more
About.com:
Composites/Plastics - a good place to begin if you need information
about composite building materials, as well as other applications of
composites
Eng-Tips
Materials Engineers Forum
- forums about various materials with lots of construction-specific information. Anyone can browse; free membership is required to post messages or search the archives.
Steel-Link
- portal for the fabricated steel construction industry includes an industry
directory, CAD Store, bookstore, email discussion lists, employment ads and
other resources for detailers and fabricators
SteelStuff
- resources on the design and construction of fabricated steel buildings,
including lots of links for products, publications, organizations and
reference materials
Steelwallah.com
- Indian portal for the steel industry includes links, news, a forum and
various related services
Steelynx - everything about every aspect of steel. Click the "Construction" button on the left for an exhaustive list of links
about building with steel.