Contents

579　Anchorage Strength and Behavior of Headed Bars in Exterior Beam-Column Joints

        Sung-Chui Chun, Bohwan Oh, Sung-Ho Lee, and Clay J. Naito

591  Seismic Behavior of Nonseismically Detalled Interior Beam-Wide Column and Beam-Wall Connections

Bing Li, Tso-Chien Pan, and Cao Thanh Ngoc Tran

600　Progressive Collapse Resistance of Axially-Restrained Frame Beams

　　 Youpo Su, Ying Tian, and Xiaosheng Song

608　Carbon Fiber-Reinforced Polymer for Continulty in Existing Reinforced Concrete Buildings Vulnerable to Collapse

　　 Sarah Orton, James O. Jirsa, and Oguzhan Bayrak

617　Span-Depth Ratios for One-Way Members Based on ACI 318 Deflection Limits

     Peter H. Bischoff and Andrew Scanion

627　Tests on Half-Scale, Two-Story, Two-Bay, Moment-Resisting Hybrid Concrete Frames

　　 Weichen Xue and Xinlei Yang

636　Design Method for Imposed Rotations of Interior Slab-Column Connections

　　 Carl Erik Broms

646　Modelling of Squat Structural Walls Controlled by Shear

　　 Leonardo M. Massone, Kutay Orakcal, and John W. Wallace

656  A New Formula to Calculate Minimum Flexure Reinforcement for Thick High-Strength Concrete Plates

　　 E. Rizk and H. Marzouk

667　Sectional Analysis of Concrete Structures under Fatigue Loading

 Carlos Zanuy, Luis Albajar, and Pablo de la Fuente

678  Evaluation of Load Transfer and Strut Strength of Deep Beams with Short Longitudinal Bar Anchorages

　　 Sergio F. Breña and Nathan C. Roy

690　A Practical Equation for Elastic Modulus of Concrete

　　 Takafumi Noguchi, Fuminori Tomosawa, Kamran M. Nemati, Bernardino M. Chiaia, and Alessandro P. Fantilli

697  Flexural Behavior of Reinforced Concrete Columns Strengthened with Wire Rope and T-Plate Units

        Jae-II sim and Keun-Hyeok Yang

706  Punching Strength of Reinforced Concrete Footings

        Josef Hegger, Marcus Ricker, and Alaa G. Sherif

717  Nonlinear Finite Element Modeling of Reinforced Concrete Structures under Impact Loads

        Selcuk Saatci and Frank J. Vecchio

726  Performance Evaluation of Flexure Impact Resistance Capacity of Reinforced Concrete Members

        Pedro F. Silva, Walter D. Mesia, Dhafer Marzougui, and Sameh S. Badie

737  Discussion

        Minimizing Statisticsal Bias to Identify Size Effect from Beam Shear Database

        Zdeněk P. Bažnt and Qiang Yu

        Strength Evaluation of Interior Slab-Column Connections

        Ying Tian, James O. Jirsa, and Oguzhan Bayrak

        Detailing of Plastic Hinges in Seismic Design of Concrete Structures

        Rajesh P. Dhakal and Ricnard C. Fenwick

746  Errata

747  In ACI Materials Journal