ACI Specification for Tolerances for Concrete Construction and Materials ( ACI ) and Commentary (ACI R). Specification for Tolerances for Concrete Construction and Materials (ACI ) and Commentary. ACI contains a tolerance for the elevation of the top surface of formed suspended slabs, before removal of supporting shores (±3/4 inch, Section ).
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Section 8 – Mass concrete structures other than buildings, p. Over 20 ft but not over 40 ft. Specific design use of embedded items nay require the specifier to designate tolerances of reduced magnitude for various embedded items.
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Member depth or thickness over 24 in. Industrial precast products may not conform to the planar tolerances. Spiral – As used in circular stave silo construction, is defined as the distortion that results when the staves are misaligned so that their 1177-10 are inclined while their outer faces are vertical.
This document is intended to be used by specification writers and ACI committees writing standards as the reference document for establishing tolerances for concrete construction and materials. The offset between adjacent pieces of formwork facing material shall not exceed: Plus or minus 1. Slump, when specified as a single value Specified slump 4 in. Precast linear element – Beam, column, or similar unit. For more information about such agreements, or product availability as hardcopy, please contact us by phone 67 83 87 00 or email salg standard.
Arris – The line, edge, or hip acci which two straight or curved surfaces of a body, forming an exterior angle, meet; a sharp ridge, as between adjoining channels of a Doric column. Specified width more than 2 in. AC1 committee documents covering specialized construction may provide guidance on specialized tolerances. Member depth or thickness more than 24 i n.
ACI Tolerances for Concrete_百度文库
It is also not intended to apply to the specialized construction procedure of shotcrete. Over 10 ft but not over 20 ft. Search book title Enter keywords for book title search. This ensures that you are always up-to-date and saves you both time and money.
ACI 117-10 (R2015)
Minus – tolerance decreases the amount or dimension to which it applies, or lowers a level alignment. Fling Chairman, Editorial Subcommittee B. Start Webshop Product catalog Product presentation. Ai 40 ft but not over 60 ft.
Outside corner of exposed corner columns and control joint grooves in concrete exposed to view. Where range is specified there is no tolerance. Specified slump 3 in.
Individual sections, articles, or paragraphs should not be copied into the Project Specifications since taking them out of context may change their meaning.
Specified surface, plane, or line – A surface, plane, or line specified by the contract documents; specified planes and lines may slope and specified surfaces may have curvature.
Please login to your authorized staff account to use this feature. If application of positive tolerance to Type 9 results in a chord aco equal to or greater than the arc or bar length, the bar may be shipped straight. Greater than 2 ft. Subscription – always available and updated A web subscription provides an easy and secure access to standards, and you are guaranteed to always have the latest edition.
Location of centerline of opening.
Specified wall thickness 10 in. Reduction in cover to formed soffits shall not exceed. In alignment of head joints. At discontinuous ends of members. One-quarter specified distance not to exceed. Section 5 – Precast concrete 5. Class A – For surfaces prominently exposed to public view where appearance is of special importance.
Wall thickness of hollow sections. Levelness – The degree to which a line or surface parallels horizontal. Standard Specification is intended to be used in its entirety by reference in the Project Specification.
Other surfaces, deviation from a 10 ft. Class C – General standard for permanently exposed surfaces where other finishes are not specified. Floor elements without topping slab. This product can only be purchased electronically by customers who have a web subscription agreement.
Flashing reglets at panel edge.