March 1999

12 1/2 Minutes
12 1/2 Minutes with AISC's Engineering & Research Department

Are You Properly Specifying Materials?
By By Charles J. Carter, PE
Part three in a three-part series: fastening products (42KB PDF)

Off the Beam
By Scott Melnick

Renovating Concrete
By By Hratch Kouyoumdjian, S.E.
Structural steel moment resisting frames are proving to be an attractive alternative for retrofitting concrete structures in seismic areas (172KB PDF)

Seismic Analysis Options For Steel Truss Bridges
By By Sanjay Mehta, Ph.D., P.E.
Seismic retrofitting is becoming increasingly common during major rehabilitation contracts (74KB PDF)

Using Spreadsheets For Steel Design
The AISC Database can easily be linked to a design spreadsheet to simplify repetitive calculations (76KB PDF)