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The American Concrete Institute (ACI, formerly National Association of Cement Users or NACU) is a non-profit technical society and standards developing organization. ACI was founded in January 1905 during a convention in Indianapolis. [1] [2] The Institute's headquarters are currently located in Farmington Hills, Michigan, USA. ACI's mission is ...
His size effect law (1984) is incorporated into shear design provisions of ACI Standard 318 (2019). [4] His size effect method for measuring fracture energy and process zone size in concrete became RILEM Standard Recommendation in 1990.
Anchor channels and channel bolts are qualified in Europe according to EAD 330008-XX-0601 and designed according to EN 1992-4. In the US, the system is qualified according to Acceptance Criteria AC232 and designed according to AC232 and ACI 318.
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As an example, ACI 318 specifies either Type 1 (125% Fy) or Type 2 (125% Fy and 100% Fu) performance criteria. [ 32 ] For concrete structures designed with ductility in mind, it is recommended that the mechanical connections are also capable of failing in a ductile manner, typically known in the reinforcing steel industry as achieving "bar-break".
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The American Cleaning Institute (ACI formerly The Soap and Detergent Association – SDA) is an organization representing producers of household, industrial, and institutional cleaning products, their ingredients and finished packaging; oleochemical producers; and chemical distributors to the cleaning product industry.