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 Note: A newer version of this document exists.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 admixture, water-reducing. See also catalyst, negative. See also expansion, shortening, and swelling. 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.
For drafting this edition, all members, both associates and voting, participated. Kelly ball—an apparatus used for indicating the consistency of fresh concrete, consisting of a cylindrical weight 6 in. See also sack rub. See also bug holes; efflorescence; honeycomb; joint, lift; laitance; popout; rock pocket; and sand streak.
See also crusher, primary. See also 1116r entraining and air, entrained.
ACI R Cement and Concrete Terminology 水泥和混凝土术语_百度文库
See also wall, stub. See also set, warehouse. Fe2O3 C4AF occurring in portland and calcium-aluminate cement; now used to refer to a series of solid solutions between 2CaO? See also contraction; moisture movement; shrinkage; volume change; and volume change, autogenous.
L-column—the portion of a precast concrete frame comprising the. I ignition loss—see loss 00 ignition preferred term. See also mud slab and subbase. I-section—beam cross section consisting of top and bottom flanges connected by a vertical web. L-beam—a beam having a cross section in the shape of an 116g a beam having a ledge on one side only.
See also grout, neat cement and grout, sanded. See also hook; bar, hooked; stirrup; and tie.
Gillmore needle—see needle, Gillmore. See also sway brace and X-brace. See also moist room.
See also heat of solution. See also deck, bridge. See also tongue and groove. Each definition shall be stated in one sentence; 2. See also water-cement ratio. See also concrete, insulating and concrete, lightweight. See also beam hanger.
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K kaolin—a rock, generally white, consisting primarily of clay minerals of the kaolinite group, composed principally of hydrous aluminum silicate of low iron content, used as raw material in the manufacture of white cement. California bearing ratio CBR —the ratio of the force per unit area required to penetrate a soil 116 with a 3 in.
See also concrete, preshrunk. The invaluable contributions of the past chairmen of CommitteeB. See also bonder and wythe [leaf.