Boundary Elements in Rectangular Walls for Earthquake Resistance

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Title: Boundary Elements in Rectangular Walls for Earthquake Resistance

Author(s): Luis B. Fargier-Gabaldón

Publication: Concrete International

Volume: 40

Issue: 9

Appears on pages(s): 43-45

Keywords: drift, reinforcement, load, strain

Date: 9/1/2018

Abstract:
Provision 18.10.6.2 of ACI 318-14 requires boundary elements when the calculated concrete strains exceed 0.003, and it provides an equation for this check. The author uses this equation to develop design equations for rectangular walls with uniformly distributed longitudinal reinforcement. He also provides graphical tools that can be used to identify the need for boundary elements in low- and mid-rise buildings.