ACI R Cement and Concrete Terminology Reported by ACI Committee Hamid Farzam Chairman Glen Bollin Bernard J. Erlin Fred. Note: A newer version of this document exists. This document was replaced by R ICRI and ACI member, he serves on several committees including. , Construction American Concrete Institute Committee , “ACI R, Cement and.
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See also contraction; expansion; creep; length change; volume change; shrinkage; deformation, inelastic; and deformation, time-dependent. See also oil, form and agent, release. Senbetta, those of the present members of the committee, as well as the diligent efforts of William Lorman and Lewis H.
See also slump; concrete, no-slump; and concrete, negative-slump. F fabric, welded-wire—a series of longitudinal and transverse wires arranged approximately at right angles acii each other and welded together at all points of intersection.
See also joint filler or sealant, joint. Gillmore needle—see needle, Gillmore.
ACI R Cement and Concrete Terminology 水泥和混凝土术语_百度文库
See also beam, spandrel; girder; girt; joist; ledger; purlin; and stringer. See also concrete, foamed.
See also bug holes; efflorescence; honeycomb; joint, lift; laitance; popout; rock pocket; and sand streak. See also bond breaker and oil, form.
See also damage, abrasion, and erosion.
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See also bolt, anchor. See also member, segmental. See ai air entraining and air, entrained. See also concrete, insulating and concrete, lightweight. L-column—the portion of a precast concrete frame comprising the. This document has been approved for use by agencies of the Department of Defense and for listing in the DoD Index of Specifications and Standards.
See also concrete, architectural. J jack—a mechanical device used for applying force to prestressing tendons, for adjusting elevation of forms or form supports, and for raising objects small distances.
See also strip, wrecking. See also cement, expansive. Dunagan analysis—a method of separating the ingredients of freshly mixed concrete or mortar to determine the proportions of the mixture. L-beam—a beam having a cross section in the shape of an L; a beam having a ledge on one side only.
See also biological shielding and concrete, shielding. See also concrete, zero-slump and concrete, no-slump.
Users of the glossary are invited to submit suggestions for changes and additions to ACI Headquarters for consideration by Committee when preparing future editions. See also checking and crazing; also known as pattern cracking. Blaine test—see test, Blaine. See also admixture, accelerating. See also surface, brushed. See also belite, celite, and felite. See also deck, bridge. See also standard matched.
See also joint, cold. See also akermanite; melilite; merwinite. See also disintegration and weathering. The average daily temperature is the average of the highest and lowest temperature during the period from midnight to midnight. When temperatures above 50 F 10 C occur during more than half of any h duration, the period shall no longer be regarded as cold weather. See also steam-curing room. See also aggregate, gap-graded. See also deformation, inelastic.
See also rodding and tamping. See also abrasion damage and cavitation damage. See also centrifugal process. Blaine fineness—the fineness of powdered materials such as cement and pozzolans, expressed as surface area per unit mass usually in square meters per kilogram, determined by the Blaine apparatus.