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Tiêu chuẩn ACI

  • Posted on:  Thứ sáu, 29 Tháng 5 2015 00:00

( main purpose of ACI technical committees is to disseminate information through publications within the scope of a committee’s mission. These publications are referred to as technical documents. All ACI technical documents are developed under a consensus process(s).

There are two general types of ACI technical documents: standards and nonstandards. The first type, standards, includes codes and specifications. The second type, nonstandards, includes guides, reports, TechNotes, and reference manuals.

ACI Standards

Standardization is the most rigorous consensus process used by ACI. It provides the widest input and highest overall quality assurance for a document. The ACI standardization process is approved by the American National Standards Institute (ANSI). Documents that go through this process are identified as ACI standards; however, the word “Standard” does not appear in the title. The phrase “An ACI Standard” appears on the cover of the standard. ACI standards are written in mandatory language and can be referenced by model codes, by authorities having jurisdiction over local building codes, persons or agencies that provide specifications, or in legal documents such as project specifications.

There are typically two types of ACI Standards – Codes and Specifications


Code requirements are written to the licensed design professional. They are not written to direct other members of the design and construction team, such as a contractor or inspector. A code provision should provide a single requirement. Code provisions can include equations, lists, tables, or figures. ACI codes may have attached non-mandatory text, called commentary, which is not considered part of the code.


ACI construction specifications are written to the contractor and are intended to be referenced in contract documents. Specifications do not include commentaries. The attached Notes to Specifiers are written to specifiers in non-mandatory language and are not a part of the specification.

Single-item specifications address a single product or process, and are analogous to a Construction Specifications Institute’s (CSI) narrow scope specification. Multiple-item specifications address more than one technical product or process, and are similar to a CSI’s broad scope specification.