Disc. 116-S113/From the September 2019 ACI Structural Journal, p. 201 Reinforcement Limits for Reinforced Concrete Elements with High-Strength Steel. Paper by A. W. Puranam and S. Pujol Disc. 116-S117/From the September 2019 ACI Structural Journal, p. 247 Novel Empirical Expression to Predict Shear Strength of Reinforced Concrete Walls Based on Particle Swarm. Paper by Hadi Baghi, Hani Baghi, and Sasan Siavashi Disc. 116-S141/From the November 2019 ACI Structural Journal, p. 251 Torsional Behavior of Reinforced Concrete Beams with High-Strength Steel Bars. Paper by C. Kim, S. Kim, K.-H. Kim, D. Shin, M. Haroon, and J.-Y. Lee Disc. 117-S04/From the January 2020 ACI Structural Journal, p. 43 Bond Behavior of 0.6 in. (15.2 mm) Prestressing Strand in Beltic Calcium Sulfoaluminate (BCSA) Cement Concrete. Paper by T. M. Bowser, C. D. Murray and R. W. Floy