349K-13 Code Requirements for Nuclear Safety-Related Concrete Structures and Commentary (Korean)

349K-13 Code Requirements for Nuclear Safety-Related Concrete Structures and Commentary (Korean)
전력산업기술기준. SN 원자력구조 — SNC 철근콘크리트구조

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This is a licensed translation of ACI 349-13 produced by KEA for use in the Korea Electric Power Industry Code (KEPIC). This translation has not been reviewed or approved by ACI.

Description

This standard covers the proper design and construction of concrete structures that form part of a nuclear power plant and that have nuclear safety-related functions, but does not cover concrete reactor vessels and concrete containment structures (as defined by Joint ACI-ASME Committee 359).

The structures covered by the Code include concrete structures inside and outside the containment system.

This Code may be referenced and applied subject to agreement between the owner and the Regulatory Authority.

All notation sections have been removed from the beginning of each chapter and consolidated into one list in Chapter 2.

The format of this Code is based on the “Building Code Requirements for Structural Concrete (ACI 318-08)” and incorporates recent revisions of that standard.

The commentary, which is presented after the Code, discusses some of the considerations of ACI Committee 349 in developing “Code Requirements for Nuclear Safety-Related Concrete Structures (ACI 349-13).” This information is provided in the commentary because the Code is written as a legal document and therefore cannot present background details or suggestions for carrying out its requirements.

Keywords: anchorage; authority having jurisdiction (AHJ); beam-column frame; beams; building codes; columns; composite construction; concrete cover; cracking (fracturing); creep; curing; deep beams; deflection; earthquake-resistant structures; floors; folded plates; footings; formwork; inspection; joints; joists; load tests; loads; mixture proportioning; modulus of elasticity; nuclear power plants; nuclear reactor containments; nuclear reactor safety; nuclear reactors; precast concrete; prestressed concrete; quality control; reinforced concrete; safety; serviceability; shear strength; shearwalls; shells; slabs; specifications; splicing; structural analysis; structural design; temperature; torsion; walls.

 

Document Details

Author: Korea Electric Association

Publication Year: 2016

Pages: 944.00

ISBN: 9781942727859

Categories: Nuclear

Formats: Protected PDF/Web View

Table of Contents

INTRODUCTION

CHAPTER 1—GENERAL REQUIREMENTS

1.1—Scope

1.2—Drawings and specifications

1.3—Inspection

1.4—Approval of special systems of design or construction

1.5—Quality assurance program

References, Chapter 1

CHAPTER 2—NOTATION AND DEFINITIONS

2.1—Code notation

2.2—Definitions

CHAPTER 3—MATERIALS

3.1—Tests of materials

3.2—Cementitious materials

3.3—Aggregates

3.4—Water

3.5—Steel reinforcement

3.6—Admixtures

3.7—Storage and identification of materials

3.8—Referenced standards

References, Chapter 3

CHAPTER 4—DURABILITY REQUIREMENTS

4.1—General

4.2—Exposure categories and classes

4.3—Requirements for concrete mixtures

4.4—Additional requirements for freezing-and-thawing exposure

4.5—Alternative cementitious materials for sulfate exposure

CHAPTER 5—CONCRETE QUALITY, MIXING, AND PLACING

5.1—General

5.2—Selection of concrete proportions

5.3—Proportioning on the basis of field experience or trial mixtures, or both

5.4—Proportioning without field experience or trial mixtures

5.5—Average compressive strength reduction

5.6—Evaluation and acceptance of concrete

5.7—Preparation of equipment and place of deposit

5.8—Mixing

5.9—Conveying

5.10—Depositing

5.11—Curing

5.12—Cold weather requirements

5.13—Hot weather requirements

References, Chapter 5

CHAPTER 6—FORMWORK, EMBEDMENTS, AND CONSTRUCTION JOINTS

6.1—Design of formwork

6.2—Removal of forms, shores, and reshoring

6.3—Embedments in concrete

6.4—Construction joints

Referenced standards Chapter 6

CHAPTER 7—DETAILS OF REINFORCEMENT

7.1—Standard hooks

7.2—Minimum bend diameters

7.3—Bending

7.4—Surface conditions of reinforcement

7.5—Placing reinforcement

7.6—Spacing limits for reinforcement

7.7—Concrete protection for reinforcement

7.8—Special reinforcement details for columns

7.9—Connections

7.10—Lateral reinforcement for compression members

7.11—Lateral reinforcement for flexural members

7.12—Minimum reinforcement

7.13—Requirements for structural integrity

References, Chapter 7

CHAPTER 8—ANALYSIS AND DESIGN—GENERAL CONSIDERATIONS

8.1—Design methods

8.2—Loading

8.3—Methods of analysis

8.4—Redistribution of moments in continuous flexural members

8.5—Modulus of elasticity

8.6—Not used

8.7—Stiffness

8.8—Effective stiffness to determine lateral deflections

8.9—Span length

8.10—Columns

8.11—Arrangement of live load

8.12—T-beam construction

8.13—Joist construction

8.14—Separate floor finish

R8.14—Separate floor finish

CHAPTER 9—STRENGTH AND SERVICEABILITY REQUIREMENTS

9.1—General

9.2—Required strength

9.3—Design strength

9.4—Design strength for reinforcement

9.5—Control of deflections

References, Chapter 9

CHAPTER 10—FLEXURE AND AXIAL LOADS

10.1—Scope

10.2—Design assumptions

10.3—General principles and requirements

10.4—Distance between lateral supports of flexural members

10.5—Minimum reinforcement of flexural members

10.6—Distribution of flexural reinforcement in beams and one-way slabs

10.7—Deep beams

10.8—Design dimensions for compression members

10.9—Limits for reinforcement of compression members

10.10—Slenderness effects in compression members

10.11—Axially loaded members supporting slab system

10.12—Transmission of column loads through floor system

10.13—Composite compression members

10.14—Bearing strength

CHAPTER 11—SHEAR AND TORSION

11.1—Shear strength

11.2—Shear strength provided by concrete for nonprestressed members

11.3—Shear strength provided by concrete for prestressed members

11.4—Shear strength provided by shear reinforcement

11.5—Design for torsion

11.6—Shear-friction

11.7—Deep beams

11.8—Provisions for brackets and corbels

11.9—Provisions for walls

11.10—Transfer of moments to columns

11.11—Provisions for slabs and footings

References, Chapter 11

CHAPTER 12—DEVELOPMENT AND SPLICES OF REINFORCEMENT

12.1—Development of reinforcement—General

12.2—Development of deformed bars and deformed wire in tension

12.3—Development of deformed bars and deformed wire in compression

12.4—Development of bundled bars

12.5—Development of standard hooks in tension

12.6—Development of headed and mechanically anchored deformed bars in tension

12.7—Development of welded deformed wire reinforcement in tension

12.8—Development of welded plain wire reinforcement in tension

12.9—Development of prestressing strand

12.10—Development of flexural reinforcement—General

12.11—Development of positive moment reinforcement

12.12—Development of negative moment reinforcement

12.13—Development of web reinforcement

12.14—Splices of reinforcement—General

12.15—Splices of deformed bars and deformed wire in tension

12.16—Splices of deformed bars in compression

12.17—Special splice requirements for columns

12.18—Splices of welded deformed wire reinforcement in tension

12.19—Splices of welded plain wire reinforcement in tension

CHAPTER 13—TWO-WAY SLAB SYSTEMS

13.1—Scope

13.2—General

13.3—Slab reinforcement

13.4—Openings in slab systems

13.5—Design procedures

13.6—Direct design method

13.7—Equivalent frame method

CHAPTER 14—WALLS

14.1—Scope

14.2—General

14.3—Minimum reinforcement

14.4—Walls designed as compression members

14.5—Empirical design method

14.6—Nonbearing walls

14.7—Walls as grade beams

14.8—Alternative design of slender walls

CHAPTER 15—FOOTINGS

15.1—Scope

15.2—Loads and reactions

15.3—Footings supporting circular or regular polygon-shaped columns or pedestals

15.4—Moment in footings

15.5—Shear in footings

15.6—Development of reinforcement in footings

15.7—Minimum footing depth

15.8—Transfer of force at base of column, wall, or reinforced pedistal

15.9—Sloped or stepped footings

15.10—Combined footings and mats

CHAPTER 16—PRECAST CONCRETE

16.1—Scope

16.2—General

16.3—Distribution of forces among members

16.4—Member design

16.5—Structural integrity

16.6—Connection and bearing design

16.7—Items embedded after concrete placement

16.8—Marking and identification

16.9—Handling

16.10—Strength evaluation of precast construction

CHAPTER 17—COMPOSITE CONCRETE FLEXURAL MEMBERS

17.1—Scope

17.2—General

17.3—Shoring

17.4—–Vertical shear strength

17.5—Horizontal shear strength

17.6—Ties for horizontal shear

CHAPTER 18–—PRESTRESSED CONCRETE

18.1—Scope

18.2—General

18.3—Design assumptions

18.4—Serviceability requirements—Flexural members

18.5—Permissible stresses in prestressing steel

18.6—Loss of prestress

18.7—Flexural strength

18.8—Limits for reinforcement of flexural members

18.9—Minimum bonded reinforcement

18.10—Statically indeterminate structures

18.11—Compression members—Combined flexure and axial loads

18.12—Slab systems

18.13—Post-tensioned tendon anchorage zones

18.14—Intentionally left blank

18.15—Intentionally left blank

18.16—Corrosion protection for unbonded tendons

18.17—Post-tensioning ducts

18.18—Grout for bonded tendons

18.19—Protection for prestressing steel

18.20—Application and measurement of prestressing force

18.21—Post-tensioning anchorages and couplers

18.22—External post-tensioning

CHAPTER 19—SHELLS

19.1—Scope and definitions

19.2—General

19.3—Design strength of materials

19.4—Section design and reinforcement requirements

19.5—Construction

CHAPTER 20—STRENGTH EVALUATION OF EXISTING STRUCTURES

20.1—Strength evaluation—General

20.2—Determination of required dimensions and material properties

20.3—Load test procedure

20.4—Loading criteria

20.5—Acceptance criteria

20.6—Provision for lower load rating

20.7—Safety

References Chapter 20

CHAPTER 21—PROVISIONS FOR EARTHQUAKE-RESISTANT DESIGN

21.1—General requirements

21.2—Intentionally left blank

21.3—Intentionally left blank

21.4—Intentionally left blank

21.5—Flexural members of moment frames

21.6—Moment frame members subjected to bending and axial load

21.7—Joints of moment frames

21.8—Special moment frames constructed using precast concrete

21.9—Special structural walls and coupling beams

21.10—Special structural walls constructed using precast concrete

21.11—Structural diaphragms

21.12—Foundations

References Chapter 21

CHAPTER 22—STRUCTURAL PLAIN CONCRETE

APPENDIX A—STRUT-AND-TIE MODELS

A.1—Definitions

A.2–—Strut-and-tie model design procedure

A.3—Strength of struts

A.4—Strength of ties

A.5—Strength of nodal zones

APPENDIX B—ALTERNATIVE PROVISIONS FOR REINFORCED AND PRESTRESSED CONCRETE FLEXURAL AND COMPRESSION MEMBERS

APPENDIX C—ALTERNATIVE LOAD AND STRENGTH-REDUCTION FACTORS

C.9.1—Scope

C.9.2—Required strength

C.9.3—Design strength

APPENDIX D—ANCHORING TO CONCRETE

D.1—Definitions

D.2—Scope

D.3—General requirements

D.4—General requirements for strength of anchors

D.5—Design requirements for tensile loading

D.6—Design requirements for shear loading

D.7—Interaction of tensile and shear forces

D.8—Required edge distances, spacings, and thicknesses to preclude splitting failure

D.9—Installation of anchors

D.10—Structural plates, shapes, and specialty inserts

D.11—Shear strength of embedded plates and shear lugs

D.12—Grouted embedments

References Appendix D

APPENDIX E—THERMAL CONSIDERATION

E.1—Scope

E.2—Definitions (moved to Chapter 2)

E.3—General design requirements

E.4—Concrete temperatures

References Appendix E

APPENDIX F—SPECIAL PROVISIONS FOR IMPULSIVE AND IMPACTIVE EFFECTS

F.1—Scope

F.2—Dynamic strength increase

F.3—Deformation

F.4—Requirements to assure ductility

F.5—Shear strength

F.6—Impulsive effects

F.7—Impactive effects

F.8—Impactive and impulsive loads

References Appendix F

SUMMARY OF CHANGES FOR ACI 349-06 CODE

ERRATA INFO

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