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Title: Serviceability of Concrete Elements with High-Strength Steel Reinforcement

Author(s): Alana Lund, Aishwarya Y. Puranam, Ryan T. Whelchel, and Santiago Pujol

Publication: Concrete International

Volume: 42

Issue: 9

Appears on pages(s): 37-46

Keywords: deflection, load, stress, moment

Date: 9/1/2020

As the industry advances toward a general use of high-strength steel reinforcement (HSSR) with yield strength greater than 80 ksi (550 MPa), it is necessary to implement simple constraints and let designers decide when and if HSSR may benefit their projects. This study investigates the reliability of provisions for service-level deflection and bar spacing in ACI 318-19 in relation to the use of HSSR.


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