ACI SPEC-301-20: Specifications for Concrete Construction

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Description

This is a Reference Specification that the Architect/Engineer can apply to projects involving concrete construction by citing it in the Project Specification. A mandatory requirements checklist and an optional requirements checklist are provided to assist the Architect/Engineer in supplementing the provisions of this Specification as required or needed by designating or specifying individual project requirements.

The first five sections of this Specification cover general requirements for concrete construction. These sections cover materials and proportioning of concrete; reinforcement and prestressing steel; production, placing, finishing, and curing of concrete; formwork performance criteria and construction; treatment of joints; embedded items; repair of surface defects; and finishing of formed and unformed surfaces. Provisions governing testing, evaluation, and acceptance of concrete as well as acceptance of the structures are included. The remaining sections are devoted to architectural concrete, lightweight concrete, mass concrete, posttensioned concrete, shrinkage-compensating concrete for interior slabs, industrial floor slabs, tilt-up construction, precast structural concrete, and precast architectural concrete.

The materials, processes, quality control measures, and inspections described in this document should be tested, monitored, or performed as applicable only by individuals holding the appropriate ACI Certification or equivalent.

Keywords:

architectural concrete; cold weather; compressive strength; consolidation; curing; durability; finish; formwork; grouting; hot weather; industrial floors; inspection; joints; lightweight concrete; mass concrete; mixture proportions; placing; post-tensioned concrete; precast concrete; prestressing steel; repair; reshoring; shoring; shrinkage-compensating concrete; slabs-on-ground; steel reinforcement; testing; tilt-up; tolerance; welded wire reinforcement;301;301;301;301;301;301;301.

 

Document Details

Author: ACI Commitee 301

Pages: 69

Formats: Printed Document or Protected PDF/Web View

Table of Contents

SECTION 1—GENERAL REQUIREMENTS, p. 3

1.1—Scope, p. 3

1.2—Interpretation, p. 3

1.3—Definitions, p. 3

1.4—Referenced standards, p. 5

1.5—Submittals, p. 8

1.6—Preconstruction conference, p. 8

1.7—Testing and inspection, p. 8

1.8—Acceptance of structure, p. 10

1.9—Protection of in-place concrete, p. 11

SECTION 2—FORMWORK AND FORMWORK

ACCESSORIES, p. 12

2.1—General, p. 12

2.2—Products, p. 12

2.3—Execution, p. 13

SECTION 3—REINFORCEMENT AND

REINFORCEMENT SUPPORTS, p. 14

3.1—General, p. 14

3.2—Products, p. 15

3.3—Execution, p. 16

SECTION 4—CONCRETE MIXTURES, p. 18

4.1—General, p. 18

4.2—Products, p. 19

4.3—Execution, p. 24

SECTION 5—HANDLING, PLACING, AND

CONSTRUCTING, p. 24

5.1—General, p. 24

5.2—Products, p. 25

5.3—Execution, p. 25

SECTION 6—ARCHITECTURAL CONCRETE, p. 29

6.1—General, p. 29

6.2—Products, p. 30

6.3—Execution, p. 31

SECTION 7—LIGHTWEIGHT CONCRETE, p. 32

7.1—General, p. 32

7.2—Products, p. 32

7.3—Execution, p. 32

SECTION 8—MASS CONCRETE, p. 32

8.1—General, p. 32

8.2—Products, p. 33

8.3—Execution, p. 33

SECTION 9—POST-TENSIONED CONCRETE, p. 33

9.1—General, p. 33

9.2—Products, p. 35

9.3—Execution, p. 36

SECTION 10—SHRINKAGE-COMPENSATING

CONCRETE FOR INTERIOR SLABS, p. 39

10.1—General, p. 39

10.2—Products, p. 39

10.3—Execution, p. 40

SECTION 11—INDUSTRIAL FLOOR SLABS, p. 40

11.1—General, p. 40

11.2—Products, p. 40

11.3—Execution, p. 41

SECTION 12—TILT-UP CONSTRUCTION, p. 42

12.1—General, p. 42

12.2—Products, p. 42

12.3—Execution, p. 42

SECTION 13—PRECAST STRUCTURAL

CONCRETE, p. 44

13.1—General, p. 44

13.2—Products, p. 45

13.3—Execution, p. 48

SECTION 14—PRECAST ARCHITECTURAL

CONCRETE, p. 50

14.1—General, p. 50

14.2—Products, p. 51

14.3—Execution, p. 53

(Nonmandatory information follows)

NOTES TO SPECIFIER, p. 53

General notes, p. 53

Foreword to checklists, p. 54

Authored references, p. 55

MANDATORY REQUIREMENTS CHECKLIST, p. 56

OPTIONAL REQUIREMENTS CHECKLIST, p. 59

ERRATA INFO

Any applicable errata are included with individual documents at the time of purchase. Errata are not included for collections or sets of documents such as the ACI Collection. For a listing of and access to all product errata, visit the Errata page.

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