• I , PB83-145318 NSFjCEE-82044 STRUCTURAL RESEARCH STUDIES Department of Civil Engineering MOMENT-ROTATION CHARACTERISTICS OF SEMI-RIGID STEEL BEAM-COLUMN CONNECTIONS by W.G. Altman, Jr. A. Azizinamini J.H. Bradburn and J.B. Radziminski A REPORT OF AN INVESTIGATION CONDUCTED by THE DEPARTMENT OF CIVIL ENGINEERING UNIVERSITY OF SOUTH CAROLINA Supported by EARTHQUAKE HAZARD MITIGATION PROGRAM DIVISION OF CIVIL AND ENVIRONMENTAL ENGINEERING NATIONAL SCIENCE FOUNDATION Grant No. PFR - 7923520 UNIVERSITY OF SOUTH CAROLINA COLUMBIA, SOUTH CAROLINA JUNE, 1982 INFORMATION RESOURCES NATIONAL SCI.ENCE FOUNDATION REPRODUCED BY NATIONAL TECHNICAL INFORMATION SERVICE u.s. DEPARTMENT Df COMMERCE SPRINGfiElD. VA. 22161