ACI PRC-330-21: Commercial Concrete Parking Lots and Site Paving Design and Construction

Description

Concrete parking lots serve many kinds of public facilities, commercial and retail developments, businesses, and multifamily housing projects. They primarily accommodate parked vehicles but may also provide maneuvering areas and access for delivery vehicles. The design and construction of concrete slabs for parking lots and outside storage areas share many similarities with the design and construction of industrial pavements, streets, and highways, but they also have some very distinct differences. A full appreciation of the differences and the modification of design and construction procedures to take these differences into account can result in economical concrete parking lots that will provide satisfactory service for many years with little maintenance.

This guide includes information on site investigation, thickness determination, design of joints and other details, durability considerations, paving operations, and quality-assurance procedures during construction. Maintenance and repair are also discussed. Information related to the design and construction of concrete site paving for industrial and trucking facilities is in ACI 330.2R.

Keywords:

commercial; concrete pavement; curing; finishing; joints; light duty; parking lot; subgrade; thickness; traffic loads.

Document Details

Author: ACI Committee 330

Pages: 48

ISBN: 9781641951425

Categories: Curing, Joints, Parking Lots, Pavements

Formats: Printed Document or Protected PDF/Web View

Table of Contents

CHAPTER 1—INTRODUCTION AND SCOPE, p. 2

1.1—Introduction, p. 2

1.2—Scope, p. 3

CHAPTER 2—NOTATION AND DEFINITIONS, p. 4

2.1—Notation, p. 4

2.2—Definitions, p. 5

CHAPTER 3—PAVEMENT DESIGN, p. 5

3.1—Introduction, p. 5

3.2—Pavement stresses and cracking, p. 6

3.3—Traffic loads, p. 6

3.4—Subgrade support, p. 6

3.5—Concrete properties, p. 7

3.6—Thickness design, p. 7

3.7—Jointing, p. 9

3.8—Steel reinforcement in parking lot pavements, p. 10

3.9—Fiber reinforcement in parking lot pavements, p. 11

3.10—Joint filling and sealing, p. 11

3.11—Pavement grades, p. 12

3.12—ADA/ABA-AG surface profile requirements, p. 12

3.13—Other design features, p. 12

3.14—Design examples, p. 13

CHAPTER 4—CONCRETE MATERIALS AND MIXTURE PROPORTIONING, p. 13

4.1—Introduction, p. 13

4.2—Cementitious materials, p. 13

4.3—Mixing water, p. 14

4.4—Aggregates, p. 14

4.5—Admixtures, p. 14

4.6—Fibers, p. 15

4.7—Concrete mixture analysis, p. 16

CHAPTER 5—CONSTRUCTION, p. 18

5.1—Introduction, p. 18

5.2—Subgrade and Subbase preparation, p. 19

5.3—Layout for construction, p. 20

5.4—Forming and the use of rigid screed guides, p. 21

5.5—Concrete placement, screeding, and finishing, p. 21

5.6—Tools and equipment for placing and finishing, p. 26

5.7—Installation of the different joint types, p. 26

5.8—Joint sealing or filling, p. 29

5.9—Curing, p. 29

5.10—Special considerations for adverse weather conditions, p. 29

5.11—Striping, p. 30

5.12—Opening to traffic, p. 31

CHAPTER 6—INSPECTION AND TESTING, p. 31

6.1—Introduction, p. 31

6.2—Site preparation and grading, p. 31

6.3—Subgrade and subbase, p. 31

6.4—Forming, p. 32

6.5—Reinforcing steel, p. 32

6.6—Concrete quality, p. 33

6.7—Concrete curing, p. 33

6.8—Jointing, p. 34

6.9—Surface texture, p. 34

6.10—Thickness testing, p. 34

CHAPTER 7—MAINTENANCE AND REPAIR, p. 34

7.1—Introduction, p. 34

7.2—Surface sealing, p. 34

7.3—Joint resealing and crack sealing, p. 34

7.4—Partial-depth repair, p. 35

7.5—Full-depth repair, p. 35

7.6—Stabilization and slab jacking, p. 35

7.7—Parking lot cleaning, p. 35

CHAPTER 8—REFERENCES, p. 35

Referenced standards and reports, p. 35

Authored references, p. 37

APPENDIX A—PROCEDURES FOR CONCRETE PAVEMENT DESIGN, p. 38

A.1—Source of thickness tables, p. 38

A.2—AASHTO procedure, p. 39

APPENDIX B—SUBGRADE, p. 39

B.1—Introduction, p. 39

B.2—Soil classification, p. 39

B.3—Problem soils, p. 39

B.4—Expansive soils, p. 39

B.5—Frost action, p. 40

B.6—Pumping, p. 40

B.7—Support uniformity, p. 40

APPENDIX C—SUGGESTED DETAILS, p. 41

C.1—Pavement jointing and design feature details, p. 41

APPENDIX D—PARKING LOT GEOMETRICS, p. 43

D.1—Parking requirements, p. 43

D.2—Entrances and exits, p. 43

D.3—Truck maneuvering areas, p. 43

D.4—Additional information, p. 45

APPENDIX E—DESIGN EXAMPLE: STRIP MALL, p. 45

E.1—Geotechnical/materials engineering report, p. 45

E.2—Loading data and traffic patterns, p. 45

E.3—Pavement area thickness and joint spacing design, p. 45

E.4—Tie-bars, dowels, and reinforcement, p. 47

E.5—Joint types, location, and sealing, p. 47

E.6—Curbs, p. 48

E.7—Panel sliding, p. 48

E.8—Texture, p. 48

E.9—Slopes, p. 48

E.10—Parking space layout (unless otherwise required by local ordinances), p. 48

E.11—Concrete mixture, p. 48

APPENDIX F—FIBER JOINT SPACING, p. 48

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