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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
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 18 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).
ACI 522R-06: Pervious Concrete - Table of Contents:
Introduction
Applications
General
Building applications: history
Pavement applications
Other applications
Materials
General
Aggregates
Cementitious materials
Water
Admixtures
Properties
General
Compressive strength
Flexural strength
Air void content/unit weight
Percolation rate
Durability
Acoustic absorption
Mixture proportioning
General
Proportioning criteria
Pervious pavement design
Pervious pavement construction
Subgrade preparation and layout
Placing
Consolidation
Jointing
Curing and protection
Cold weather protection
Hot weather protection
Repairing pervious concrete pavements
Maintenance
Quality control inspection and testing
General
Preconstruction inspection and testing
Inspection and testing during construction
Postconstruction inspection and testing
Performance
General
Clogging
Structural distress
Resistance to freezing and thawing
Limitations, potential applications, and research needs
ACI 522R-06: Pervious Concrete
