porous asphalt pavement specification

UNHSC Design Specifications for Porous Asphalt …

Porous asphalt pavement refers to the compacted mix of modified asphalt, aggregate, and additives. C. The porous asphalt pavement specified herein is modified after the National Asphalt Pavement Association (NAPA) specification outlined in Design, Construction, and Maintenance Guide for Porous Asphalt Pavements, Information Series 131 (2003) and Design, Construction, and

Porous Asphalt - Asphalt Pavement

Porous asphalt pavements offer developers and planners a new tool in their toolbox for managing storm water. These pavements, used mostly for parking lots, allow water to drain through the pavement surface into a stone recharge bed and infiltrate into the soils below the pavement.

Porous Asphalt - National Asphalt Pavement Association

A typical porous pavement has an open-graded surface over an underlying stone recharge bed. The water drains through the porous asphalt and into the stone bed, then, slowly, infiltrates into the soil. If contaminants were on the surface at the time of the storm, they …

Porous Asphalt Pavement - wispave

Porous asphalt pavements with stone reservoirs are a multifunctional, low impact development technology that integrate ecological and environmental goals for a site with land development goals, reducing the net environmental impact for a project.

Tech Brief: Porous Asphalt Pavements with Stone …

Porous asphalt pavements with stone reservoirs are a multifunctional low impact development (LID) technology, which integrates ecological and environmental goals for a site with land development goals, reducing the net environmental impact for a project.

Porous Asphalt The Specs - Washington Asphalt …

Site Design March 2015 Porous Asphalt -The Specs ... Pervious Concrete & Porous Asphalt ... Porous Asphalt -The Specs October 28, 2014 Washington Asphalt Paving Association. Contact Information. Jessica Knickerbocker Project Manager City of Tacoma (253) 502 -2119 JKnicker@ci.tacoma.wa.us Tim Horton, P.E.


POROUS ASPHALT PAVEMENTS. In the natural environment, rainfall sinks into soil, filters through it, and eventually finds its way to streams, ponds, lakes, and underground aquifers. The built environment, by way of contrast, seals the surface. Rainwater and snowmelt become runoff which may …

Porous Asphalt Pavement for Stormwater Management

Modified Asphalt Binder • 3-5 Feet of Vertical Separation is Needed from Seasonal High Groundwater 4” thickness of ¾” crushed stone TYPICAL POROUS ASPHALT CROSS-SECTION Additional Resources • The UNH Stormwater Center, Porous Asphalt Specs - General Porous Bituminous Paving

» Porous Asphalt Parking Lots

What Is Porous Asphalt Pavement?

Construction specifications for permeable pavement ...

Porous Asphalt: The choker layer for porous asphalt pavement consists of 1 inch of washed No. 57 stone. PICP: The bedding layer for open-jointed pavement blocks should consist of 2 inches of washed No.8 stone. This layer is compacted after pavers are placed on it and their joints are filled with aggregate.

Performance enhancement of porous asphalt pavement …

Jan 30, 2018 · Porous asphalt pavement material is a special asphalt mixture with a void content of 18% or more. The porosity is essential to the ecological functions of porous asphalt pavement, i.e., water drainage, noise reduction, water purification. However, the porous structure of pavement also has caused some structural defects.

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Permeable Pavement Fact Sheet Information for Howard ...

in other sources, terms often used are: pervious pavers, pervious , porous asphalt, resin-bound paving, open-jointed blocks or cells and porous turf. Permeable pavement is a method of paving that allows stormwater to seep into the ground as it falls rather than running off into storm drains, waterways and eventually the Chesapeake Bay.

Design and Contruction of a Porous Asphalt Stormwater …

A Porous Asphalt BMP is a BMP where the surface is composed of an asphalt open-graded friction course (OGFC) manufactured with larger-diameter aggregates to achieve an effective porosity of approximately 19% (by UNHSC Spec.).

Design criteria for permeable pavement - Minnesota ...

Design Phase Maintenance Considerations

Porous Asphalt - an overview | ScienceDirect Topics

May 21, 2014 · For each pavement surface type, one impermeable pavement design (design 1) and two permeable pavement designs were constructed (designs 2 and 3; note that the industry-preferred terms are pervious , porous asphalt, and permeable pavers, and the word “permeable” is used for all surface types for convenience in this chapter). Both of ...

3D reconstruction of moisture damage resulted volumetric ...Dec 19, 2019Study the influence of the air void topology on porous ...Dec 09, 2019Asphalt Pavements - an overview | ScienceDirect Topics Dynamics of water evaporation from porous asphalt ... See more results

Porous Asphalt | Flexible Pavements of Ohio

Porous asphalt pavements are being used to reduce or eliminate storm water runoff from parking lots and other such facilities. A porous asphalt pavement is constructed over a stone filled reservoir to collect and store storm water and to allow it to infiltrate into the soil between rainfalls (Figure 1).

Development of a Specification for Porous Asphalt ...

specification for porous asphalt pavement. It is intended also to provide design guidelines regarding what conditions are appropriate for this type of pavement. Specifically, this includes guidelines for the design of the porous asphalt pavement, a stone reservoir under the pavement, and inspection and maintenance requirements for

Porous Asphalt Pavements - coastal.ca.gov

History of Porous Asphalt Pavements Porous asphalt mixes developed in 1930’s and 1940’s by State DOTs Using mixes to reduce runoff in 1970’s Geotextiles developed in 1979 Current design …

Asphalt - Materials & Construction Technology - Pavements ...

Basics of Durable Asphalt Pavements - National Asphalt Pavement Association webinar (.avi, 215 mb) Asphalt Team Oversees Cost Effective Solutions Our staff works with Expert Task Groups (the ETGs)-which include representatives of the States, industry, and universities-to discuss ongoing national asphalt projects that are funded directly by the ...

4.2 Porous Pavement | Philadelphia Water Stormwater Plan ...

Porous asphalt pavement consists of standard bituminous asphalt in which the fines have been screened and reduced, allowing water to pass through very small voids. Recent research in open-graded mixes for highway application has led to additional improvements in porous asphalt through the use of additives and binders.

Road Materials and Pavement Design

Oct 14, 2017 · (2019). Determination of morphology characteristics of polymer-modified asphalt by a quantification parameters approach. Road Materials and Pavement Design: Vol. 20, No. 6, …

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Soak Up the Rain: Permeable Pavement | US EPA


IAPA :: Porous Pavements - il-asphalt

From the bottom up, the standard porous asphalt pavement structure consists of: An uncompacted subgrade to maximize the infiltration rate of the soil. A geotextile fabric that allows water to pass through, but prevents migration of fine material from the subgrade into the stone recharge bed.

Porous Asphalt fact sheet - dauphincd

indicate that porous paving systems can remove between 65 and 85 percent of undissolved nutrients from runoff and up to 95% of sediment from runoff. The design for application of porous asphalt consists of at least four layers: a two to four-inch layer of asphalt, a one to …

Asphalt Paving Design Guide - APAO

The Asphalt Pavement Association of Oregon is a non-profit trade association representing contractors and associated firms. APAO was formed in 1969 by a small group of asphalt paving contractors to develop improved specifications and products. The Association and its members are dedicated to promoting asphalt pavements by developing pro-

Fatigue Performance of Different Thickness Structure ...

important for asphalt pavement design. With the rapid development of transportation, the asphalt pavement is facing more and more severe fatigue damages. Previous studies have concentrated on the fatigue performance materials varied with stress ratios, asphalt contents, void ratios, aggregate types, and so on. For example,

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» Asphalt Mixes

Unless designated in a VDOT specification, most mixes will use a PG 64-22 asphalt cement binder. However, many of the mixes identified in the table can be modified by changing the asphalt cement. Stiffer asphalt cement can be used in higher stress applications such as intersections, bus stops, and industrial facilities.

Cost to repave driveway asphalt pavement

full depth crack repair, fog seal, seal coat, double chip seal, slurry seal, microsurfacing, thin hot mix overlays, and potholes and pavement patching. 'I'ables are outlined giving the most common flexible pavement distresses, along with the best practices for rehabilitation for Best Practices Handbook on ASPHALT PAVEMENT. Inquiry

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Porous Asphalt Pavements - NAPA Online Store

Both the history of the technology and the latest large-scale projects, including innovative uses of porous pavements, are discussed. Topics covered include water quality, structural design, soil investigation, hydrologic design, materials, construction, cost, and maintenance.

An Introduction to Porous Pavement | Home & Garden ...

Types of Porous Pavement

GEOPAVE® Aggregate Porous Pavement

Aggregate Porous Paving Delivers Infiltration & Storage. Control stormwater infiltration, manage runoff and create storage with porous pavements designed for every day traffic. With highly-permeable open-graded aggregate infill, GEOPAVE pavers promote a high rate of percolation, limit runoff and perform as a natural on-site retention system. Herringbone cells and integrated mesh bottom keeps aggregate in …

Porous Asphalt Pavement - Graniterock

porous pavement system design Atypical porous asphalt pavement consists of a porous asphalt course, a top filter course (choke course), a reservoir course (designed for runoff detention frost penetration, and structural capacity), an optional bottom filter course, filter fabric, and existing soil or subgrade material.

Porous Pave « Porous Pave, Inc.

The Proven Pour-in-Place Permeable Paving Material. Manufactured in the U.S.A., Porous Pave is a pour-in-place permeable paving material. With 27 percent void space, Porous Pave delivers 5,800 gallons per hour per square foot permeability.


Porous asphalt pavement is then placed over the top of these basins. These pavements are designed to let the water flow through them and into the detention basin. Porous asphalt pavement is commonly known as open graded asphalt (OGAC), open …

Porous Asphalt Pavement - Michigan

As shown in Exhibit 1, a typical porous asphalt pavement consists of a top porous asphalt course, a filter course, a reservoir course (designed for runoff detention and frost penetration), and existing soil or subbase material. The top porous asphalt course is an open-graded asphalt surface course approximately 2-4 inches thick.

Porous Asphalt Paving - Cost and Environmental Benefits

May 02, 2017 · Porous asphalt pavement can last up to twenty years before showing cracks or potholes. It is a very durable product and it retains the ability to handle rainwater for many years. Porous asphalt has been used successfully in parking lots, walkways, …

2016 Asphalt Pavement Design Guide - wispave

Aug 30, 2016 · Quality asphalt pavements are constructed using a designed paving mixture. The required amount of each mixture ingre-dient is typically established through a recognized mix design procedure as described in Chapter 4. To ensure quality asphalt pavements, a documented mix design report should be provided for each paving project.

Permeable Pavement Specifications - City of Tacoma

Industry standards are vital to the long-term success of permeable pavements in the region. To establish specifications, Tacoma formed a task force of experts from across the spectrum in permeable pavement design and construction. Subgroups studied porous asphalt, pervious , and subgrade and subbase to finalize specifications.

Porous Pave, Inc.

Porous Pave is a pour-in-place permeable paving material that is highly porous, flexible and resilient. An eco-friendly green building product made in the U.S.A. with recycled rubber, Porous Pave offers superior permeability, exceptional versatility, and demonstrated durability.

:: Pervious Pavement :: Pervious Concrete for Green ...

Pervious pavement is a unique and effective means to address important environmental issues and support green, sustainable growth. By capturing stormwater and allowing it to seep into the ground, porous is instrumental in recharging groundwater, reducing stormwater runoff, and meeting U.S. Environmental Protection Agency (EPA ...

Porous Asphalt | Asphalt Pavement Association of Oregon

Porous asphalt pavement, on the other hand, is a type of type porous pavement structure specifically designed to allow rainfall and runoff to flow into and through the pavement structure. Porous pavement offers the potential to collect and/or slow the rate of run-off from other impervious surfaces.

Porous Pavement

Porous asphalt pavement next to impervious pavement. CLOGGING DESIGN PRECAUTIONS Design landscape slopes around po-rous pavements so that if they erode, the sediment will not reach the pave-ment surface. In addition, signage can prevent people from dumping landscaping materials on it. Porous pavements vary by manufacturer,


pervious porous asphalt, and permeable grid pavers and interlocking pavers. While the specific design may vary, all permeable pavements have a similar structure, consisting of a permeable surface pavement layer, an underlying stone aggregate reservoir layer

Design of long-life flexible pavements for heavy traffic

Bound foundation materials, asphalt substitution and full-depth pavements, can be considered for long-life pavements. The use of stronger foundation materials, such as CBM1 and CBM2 and the strengthening of Type 1 with cement can also be considered for a long-life pavement foundation design.

Permeable Pavement Design Specification – Chesapeake ...

Permeable Pavement Design Specification. The promise of permeable pavement has always been powerful – producing a parking lot that prevents surface runoff. Alas, the promise has seldom been realized, and permeable pavers are rarely used today.

Porous Asphalt Pavements - NAPA Online Store

Both the history of the technology and the latest large-scale projects, including innovative uses of porous pavements, are discussed. Topics covered include water quality, structural design, soil investigation, hydrologic design, materials, construction, cost, and maintenance.

The Right Choice for Porous Asphalt Porous Pavements

the porous asphalt pavement. All other installations cited in this article are asphalt pavements. Background First developed in the 1970s at the Franklin Institute in Philadelphia, porous asphalt pavement consists of standard bituminous asphalt in which the aggregate fines (particles smaller than 600 µ, or the No. 30 sieve) have been screened and

Chapter 10 – Porous Pavement

Chapter 10 – Porous Pavement . 10.1 Overview of Practice . Porous pavement is a pervious traffic-bearing surface placed over a stone reservoir which is, in turn, underlain by highly permeable soil. The void space created by the stone reservoir provides storage for surface runoff on generated or diverted onto the porous surface.


POROUS PAVEMENT • Reduce storm water runoff and contaminants in waterways • Promote groundwater recharge • Rt.27 Six Mile Run Bridge, Middlesex and Somerset Counties is currently in construction • Full depth Porous Asphalt shoulders • 2” MOGF • 8” ASD (modified) • 12” to 36” oarse Aggregate No.57 stone

Design and Construction of Porous Asphalt Pavements

1 Slide 1 WSU Puyallup Technical Workshop Series-Permeable Paving Design April 23, 2013 Presenter: Mark A. Palmer, P.E., LEED® AP WSU LID Certified City Engineer City of Puyallup Design and Construction of Porous Asphalt Pavements

BMP 6.4.1: Pervious Pavement with Infiltration Bed

A pervious pavement bed consists of a pervious surface course underlain by a stone bed of uniformly graded and clean-washed coarse aggregate, 1-1/2 to 2-1/2 inches in size, with a void space of at least 40%. The pervious pavement may consist of pervious asphalt, pervious , or pervious pavement units. Stormwater drains through the

Pervious Concrete Specification - Charger Enterprises, Inc.

Pervious Concrete Specification. Download Pervious Concrete Spec (PDF) Since we pioneered efforts to create and publish a Pervious Concrete Specification on the internet in the 1990s, the use of Pervious Concrete Pavement, (also known as “no fines ” “zero slump ” and “porous pavement”) has continued to gain acceptance.

Pervious Pavement Design Guidance

Pervious Pavement Design Guidance . Pervious pavement is designed primarily to promote stormwater infiltration and improve the quality of stormwater runoff. It is typically designed to capture rainfall on the pavement surface area, but may also accept run-on from adjacent impervious areas and other hardscapes (sidewalks), rooftops, or gutters.

32 12 43 - Flexible Porous Paving MasterSpec v5

FLEXIBLE POROUS PAVING 32 12 43 - 1 SECTION 32 12 43 – FLEXIBLE POROUS PAVING (Formerly Section 02795 Porous Pavement) PART 1 - GENERAL 1.1 SCOPE A. This specification provides requirements for the construction of flexible porous paving. B.

2J-1 General Information for Permeable Pavement Systems

Porous asphalt pavement consists of an open-graded coarse aggregate, bonded together by asphalt cement, with sufficient interconnected voids to make it highly permeable to water . Pervious typically consists of specially formulated mixtures of cementitious materials, a

Porous Asphalt - Metropolitan St. Louis Sewer District

Porous asphalt pavement may be used to provide water quality volume (WQv), provided it is designed and constructed in accordance with Permeable Pavement Performance Criteria or is used in conjunction with a properly designed infiltration basin/trench, sand filter, or other approved BMP per the 2000 Maryland Stormwater Design Manual. The ...

Porous Asphalt, Santa Rosa, California

Porous asphalt, which is used mostly for paving parking lots, is a popular choice in building projects because of its many benefits and its environmentally friendly design. What is Porous Asphalt? Porous or Permeable Asphaltic Pavement offer developers and planners a new tool for managing storm water.

:: Pervious Pavement :: Pervious ... - Pervious

Pervious Pavement Design . Design | Hydrological | Structural . Two factors determine the design thickness of pervious pavements: the hydraulic properties, such as permeability and volume of voids, and the mechanical properties, such as strength and stiffness.Pervious used in pavement systems must be designed to support the intended traffic load and contribute positively to the site ...