ACI 522 2023

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ACI PRC-522-23: Pervious Concrete—Report

Published By	Publication Date	Number of Pages
ACI	2023

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Description

This report provides technical information on pervious concrete’s application, design methods, materials, properties, mixture proportioning, construction methods, testing, and inspection. The term “pervious concrete” typically describes a near-zero-slump, open-graded material consisting of portland cement, coarse aggregate, little or no fine aggregate, admixtures, and water. The combination of these ingredients will produce a hardened material with connected pores, ranging in size from 0.08 to 0.32 in. (2 to 8 mm), that allow water to pass through easily. The void content can range from 15 to 35%, with typical compressive strengths of 400 to 4000 psi (2.8 to 28 MPa). The drainage rate of pervious concrete pavement will vary with aggregate size and density of the mixture but will generally fall into the range of 2 to 18 gal./min/ft2 (81 to 730 L/min/m2). Pervious concrete is widely recognized as a sustainable building material, as it reduces stormwater runoff, improves stormwater quality, may recharge groundwater supplies, and can reduce the impact of the urban heat island effect. Keywords: construction; design; drainage; green building; LEED® credit; permeability; pervious concrete pavement; stormwater; sustainability; testing.

PDF Catalog

PDF Pages	PDF Title
3	TITLE PAGE
4	CHAPTER 1—INTRODUCTION AND SCOPE 1.1—Introduction
5	1.2—Scope CHAPTER 2—NOTATION AND DEFINITIONS 2.1—Notation 2.2—Definitions
6	CHAPTER 3—APPLICATIONS 3.1—General 3.2—Building applications: history
7	3.3—Pavement applications
9	3.4—Other applications CHAPTER 4—MATERIALS 4.1—General 4.2—Aggregates for use in pervious concrete
10	4.3—Cementitious materials 4.4—Water 4.5—Admixtures CHAPTER 5—PROPERTIES 5.1—General 5.2—Permeability
12	5.3—Compressive strength
13	5.4—Flexural strength
14	5.5—Durability under freezing-and-thawing conditions
15	5.6—Surface abrasion and raveling resistance
16	5.7—Fracture toughness 5.8—Acoustic absorption 5.9—Slip and fall prevention
17	5.10—Urban heat island mitigation 5.11—Pollutant removal capacity CHAPTER 6—PERVIOUS CONCRETE MIXTURE PROPORTIONING 6.1—General discussion of proportioning 6.2—Proportioning criteria
18	6.3—Proportioning process
19	6.4—Mixture proportioning process examples
21	CHAPTER 7—PERVIOUS PAVEMENT DESIGN 7.1—Introduction 7.2—Site design 7.3—Structural design
23	7.4—Stormwater management design
31	7.5—Other considerations
32	CHAPTER 8—PERVIOUS PAVEMENT CONSTRUCTION 8.1—General construction principles 8.2—Subgrade/subbase preparation
33	8.3—Placing
35	8.4—Compaction and finishing 8.5—Jointing 8.6—Curing and protection
37	8.7—Cold weather protection 8.8—Hot weather protection CHAPTER 9—QUALITY CONTROL AND ASSURANCE INSPECTION AND TESTING 9.1—General 9.2—Preconstruction inspection and testing
38	9.3—Inspection and testing during construction 9.4—Postconstruction inspection and testing
39	CHAPTER 10—PERFORMANCE 10.1—General 10.2—Changes in infiltration rates
40	10.3—Structural distress 10.4—Surface distress 10.5—Resistance to freezing and thawing
41	10.6—Resistance to deicers 10.7—Repairing pervious concrete pavements
42	10.8—Maintenance 10.9—Pervious concrete overlay field durability and performance
43	CHAPTER 11—LIMITATIONS, POTENTIAL APPLICATIONS, AND RESEARCH NEEDS 11.1—Pervious concrete in cold climates
44	11.2—Characterization of the material structure 11.3—Strength and other testing needs and limitations
45	11.4––Nondestructive determination of performance and properties 11.5—Stormwater management
46	11.6—Urban heat island effect, carbonation, and other thermal properties
47	11.7—Construction, operation, and maintenance needs 11.8—Other novel applications and uses
48	CHAPTER 12—THE ENVIRONMENT AND PERVIOUS CONCRETE CHAPTER 13—REFERENCES
49	Authored documents