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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 ...
A clear distinction is made between the ultimate state (US) and the ultimate limit state (ULS). The Ultimate State is a physical situation that involves either excessive deformations leading and approaching collapse of the component under consideration or the structure as a whole, as relevant, or deformations exceeding pre-agreed values.
Concrete cover, in reinforced concrete, is the least distance between the surface of embedded reinforcement and the outer surface of the concrete (ACI 130). The concrete cover depth can be measured with a cover meter. The purpose of concrete cover is to protect the reinforcement from corrosion, fire, and other potential damage.
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The IREB is the holder for the international certification scheme Certified Professional for Requirements Engineering (CPRE). It is IREB's role to support a single, universally accepted, international qualification scheme, aimed at Requirements Engineering for professionals, by providing the core syllabi and by setting guidelines for ...
[2] [5] In 1963, the Texas legislature began a major revision of the 1925 Texas statutory classification scheme, and as of 1989 over half of the statutory law had been arranged under the recodification process. [2] The de facto codifications are Vernon's Texas Statutes Annotated and Vernon's Texas Codes Annotated, commonly known as Vernon's.
This division covers the mandatory requirements, specific prohibitions and nonmandatory guidance for materials, design, fabrication, inspection and testing, markings and reports, overpressure protection and certification of pressure vessels having an internal or external pressure which exceeds 3000 psi (20700 kPa) but less than 10,000 psi.