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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Design and Seismic Testing of Two-Story, Full-Scale Autoclaved Aerated Concrete Assemblage Specimen
Author(s): Jennifer E. Tanner, Jorge L. Varela, and Richard E. Klingner
Publication: Structural Journal
Appears on pages(s): 114-119
Keywords: autoclave; cellular concrete; shearwall
Abstract:An autoclaved aerated concrete (AAC) assemblage specimen was constructed and tested as the culmination of a comprehensive research study of AAC structural systems at a university laboratory. The objectives of the two-story assemblage specimen were to verify that a system of squat AAC shearwalls designed to fail in a flexure-dominated mode would indeed fail in flexure; to verify proposed design provisions for AAC shearwalls and floor diaphragms; to verify proposed analytical models for such elements and systems; and to verify proposed seismic design procedures for AAC structural systems. The assemblage test met those objectives. The shearwalls conformed to predictive models, with stable hysteretic loops up to drift ratios exceeding 0.3%, and displacement ductilities ranging from 2.5 to 6. These drift ratios and displacement ductilities are calculated with the effects of sliding removed. For design purposes, these results justify the assumption of an available displacement ductility of at least 2.5. Damage did not occur in the AAC floor diaphragms or their connections to the walls, verifying that the behavior of the specimen was governed by the behavior of the shearwalls themselves. This test confirms that the design objective of flexure-dominated failures can be achieved even with relatively squat walls.
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