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April 27, 2022

Guide to Cast-in-Place Architectural Concrete Practice 1

Guide to Cast-in-Place Architectural Concrete Practice

Leave a Comment / Civil Books Platform, Concrete Structures Books /

Description This guide presents recommendations for cast-in-place architectural concrete that is exposed to view. Architectural concrete requires special care in the selection of concrete materials, forming, placing, and finishing to achieve the desired architectural appearance. Refer to the photos in examples of architectural cast-in-place concrete. Various procedures are recommended for deter-mining requirements of the architect, […]

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Specifications for Structural Concrete (301M-10) 2

Specifications for Structural Concrete (301M-10)

Leave a Comment / Civil Books Platform, Concrete Structures Books /

Description This is a Reference Specification that the Architect/Engineer can apply toany construction project involving structural concrete by citing it in the Project Specifications. Checklists are provided to assist the Architect/Engi-neer in supplementing the provisions of this Reference Specification asneeded by designating or specifying individual project requirements. The first five sections of this document cover

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Specifications for Structural Concrete 3

Specifications for Structural Concrete

Leave a Comment / Civil Books Platform, Concrete Structures Books /

Description This is a Reference Specification that the Architect/Engineer can apply toany construction project involving structural concrete by citing it in the Project Specifications. Checklists are provided to assist the Architect/Engi-neer in supplementing the provisions of this Reference Specification asneeded by designating or specifying individual project requirements. The first five sections of this document cover

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Self-Consolidating Concrete 4

Self-Consolidating Concrete

Leave a Comment / Civil Books Platform, Concrete Structures Books /

Description Self-consolidating concrete (SCC) is highly flowable ,non segregating concrete that can spread into place, fill the form work, and encapsulate the reinforcement without any mechanical consolidation. In general, SCC is concrete made with conventional concrete materials and, in some cases, with a viscosity-modifying admixture (VMA). SCC has also been described as self-compacting concrete, self-placing

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Guide for the Use of Silica Fume in Concrete 5

Guide for the Use of Silica Fume in Concrete

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Description Silica fume, a by-product of the ferrosilicon industry, is ahighly pozzolanic material that is used to enhance mechanicaland durability properties of concrete. It may be added directlyto concrete as an individual ingredient or in a blend of portlandcement and silica fume. ACI Committee 234 estimates thatat least 120,000 metric tons (130,000 tons) of silica

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Slag Cement in Concrete and Mortar 6

Slag Cement in Concrete and Mortar

Leave a Comment / Civil Books Platform, Concrete Structures Books /

Description The use of ground granulated iron blast-furnace slagcement (slag cement) as a cementitious material dates backto 1774 when Loriot made a mortar using slag cement incombination with slaked lime (Mather 1957). In 1862, Emil Langen proposed a granulation process tofacilitate removal and handling of iron blast-furnace slagleaving the blast furnace. Glassy iron blast-furnace slagswere

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Report on Early-Age Cracking, Causes, Measurement, and Mitigation 7

Report on Early-Age Cracking, Causes, Measurement, and Mitigation

Leave a Comment / Civil Books Platform, Concrete Structures Books /

Description ACI Committee 231 defines “early age” as the period afterfinal setting, during which properties are changing rapidly.For a typical Type I portland-cement concrete moist cured atroom temperature, this period is approximately 7 days. Thisdocument, however, includes discussions of early-ageeffects beyond 7 days. It is important to understand howconcrete properties change with time during early

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Report on Controlled Low-Strength Materials 8

Report on Controlled Low-Strength Materials

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Description Report on Controlled low-strength material (CLSM) is a self-consol-idating cementitious material used primarily as a backfill as an alternative to compacted fill. Terms used to describe this material include flowable fill, controlled density fill, flow-able mortar, plastic soil-cement, and soil-cement slurry.CLSM is a mixture intended to result in a compressive strength of 1200 psi

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Guide to the Selection and Use of Hydraulic Cements 9

Guide to the Selection and Use of Hydraulic Cements

Leave a Comment / Civil Books Platform, Concrete Structures Books /

Description Cement paste is the binder in concrete or mortar that holdsthe fine aggregate, coarse aggregate, or other constituents to-gether in a hardened mass. The term hydraulic is associatedwith the word cement in this document to point out to theconsumer that the basic mechanism by which the hardeningof the concrete or mortar takes place is

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Control of Cracking of Concrete Structures 10

Control of Cracking of Concrete Structures

Leave a Comment / Civil Books Platform, Concrete Structures Books /

Description Cracking plays an important role in concrete’s response toload in both tension and compression. The earliest studies ofthe microscopic behavior of concrete involved the responseof concrete to compressive stress. That early work showedthat the stress-strain response of concrete is closely associatedwith the formation of microcracks, that is, cracks that form atcoarse-aggregate boundaries (bond cracks)

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