Journal of Structural Engineering. Vol. 119 No. 9 (1993). 

 - New York : American Society of Civil Engineers.  [date of publication not identified] 
 - p. 
<br/><br/> It contains of Papers, Notes, and Discussions for September 1993 in Vol. 119 No. 9. 
<br/><br/>TECHNICAL PAPERS : Rigidities of Horizontally Curved Flat Structures / Alaa Aly and John B. Kennedy. Robust Active Optimal Control Scheme Including Soil-Structure Interaction / S. M. Shahid Alam and Shunsuke Baba. Hybrid Plane Quadrilateral Element with Corner Rotations / Kam-Yim Sze and Amin Ghali. Cyclic Behavior of Moderately Deep HSC Beams / I-Kuang Fang, Shih-Tzung Yen, Chwen-Shyuan Wang, and Keh-Luen Hong. Time Analysis of Partially Pre-stressed Beam Subjected to Changing Loads / L. J. Xin and R. I. Gilbert. Web-Flange Interaction in Cold-Formed Steel Z-Section Columns / D. Polyzois and P. Charnvarnichborikarn. Reliability of Wood Structural Systems / William M. Bulleit, David V. Rosowsky, Kenneth J. Fridley, and Marvin E. Criswell. Efficiency of Vibrational Energy Dissipation by Moving Shot / C. Cempel and G. Lotz. Rating and Preliminary Analysis of Suspension Bridges / Carl C. Ulstrup. Analysis of Beams Pre-stressed with Unbonded Internal or External Tendons / F. M. Alkhairi and A. E. Naaman. Coating Delamination by Radial Tension in Pre-stressed Concrete Pipe. I: Experiments / Mehdi S. Zarghamee, Rasko P. Ojdrovic and William R. Dana. Coating Delamination by Radial Tension in Pre-stressed Concrete Pipe. II: Analysis / Mehdi S. Zarghamee, Rasko P. Ojdrovic and William R. Dana. Inelastic Buckling of Pre-stressed Sandwich or Homogeneous Arches / Amir Mirmiran and Amde M. Made. Behavior of Chemically Bonded Anchors / Ronald A. Cook. Object-Oriented Finite Element Analysis Using EER Model / G. Yu and H. Adeli. TECHNICAL NOTE : Optimum Design of Unstiffened Built-Up Girders / Tam Ha. DISCUSSIONS : Estimating Uplift Capacity of Light Steel Roof System. Roger A. La Boube / Robert W. Dannemann. Closure by author. Geometrical Imperfections on Inelastic Frame Behavior. Eric M. Lui / Jostein Hellesland. Closure by author. Approximating Lateral  Stiffness of Stories in Elastic Frames. Arturo E. Schultz / Dionisio Bernal, Y. S. Lau, T. S. Lok and A. R. Freeman. Closure by author. Fatigue Resistance of Large-Diameter Cable for Cable-Stayed Bridges . Koei Takena, Chitoshi Miki, Hirosuke Shimokawa, and Kenji Sakamoto / P. C. Papanikolas and Geoffrey L. Kulak. Closure by authors. ERRATA.