porous asphalt specification

C-5. Permeable Pavement

NCDEQ Stormwater Design Manual _____ C-5. Permeable Pavement 8 Revised: 4-6-2017 Porous Asphalt (PA) PA is like conventional (impervious) asphalt except that less fine material is used in the mixture to provide for drainage, resulting in has a coarser appearance than conventional asphalt.

S-1 (2360) HOT MIXED ASPHALT - POROUS PAVEMENT …

RAP or shingles, is not allowed. Design asphalt content by weight shall be in accordance to MnDOT 2360 (Table 2360.2E (as modified below), Table 2360.3-B2a and Table 2360.3-B2b) S-1.1 DESCRIPTION This work consists of the construction of a Porous Hot Mix Asphalt Wearing Course Mixture (Porous HMA).

ULTIDRIVE Porous | Tarmac

ULTIDRIVE POROUS is a fast-draining porous asphalt solution for driveways, footpaths and small parking areas. It combines excellent drainage characteristics with proven long term durability. It is a hard wearing porous asphalt that eliminates the problem of surface water whilst meeting relevant local planning requirements.

UNHSC Design Specifications for Porous Asphalt Pavement ...

This specification is intended to be used for porous asphalt pavement in parking lot applications. Stormwater management functions of porous asphalt installations include water quality treatment, peak flow reduction, storm volume reduction via groundwater recharge, and increased time lag in

Porous Asphalt Pavement - wispave.org

Porous asphalt pavements can be installed as whole or in part with traditional impervious asphalt pavements. When installed in combination with impervious pavements or adja-cent to building roofs, porous asphalt can sufficiently contain and treat the additional runoff generated. Design of Porous Asphalt Pavements

Porous Asphalt Fact Sheet - dauphincd.org

The design for application of porous asphalt consists of at least four layers: a two to four-inch layer of asphalt, a one to two-inch filter layer of half-inch crushed aggregate, a 12-inch minimum reservoir layer of one to three-inch aggregate, and a layer of geotextile material. Porous asphalt …

» Porous Asphalt Parking Lots

Porous asphalt pavement is a paved surface and subbase comprised of aggregates and asphalt binder, designed, placed and compacted in a manner resulting in a highly permeable asphalt concrete surface (approximately 17% voids). Porous asphalt pavements offer developers and planners a new tool in their toolbox for managing stormwater.

Design Checklist PERVIOUS PAVEMENT

Porous Asphalt Soil subgrade 4 in. (100 mm) thick No. 57 stone open‐graded base No. 2Typ. stone subbase – thickness variesthick with design Optional geotextile on bottom and sides of open graded base 3 to 6 in. stone for overflow drainage Porous asphalt, Typ. 3 in. (75 mm) thick

Specification for open graded porous asphalt TNZ P/11

SPECIFICATION FOR OPEN GRADED POROUS ASPHALT 1. SCOPE This specification describes the required properties of open graded porous asphalt for use as a surfacing course for road pavements. This mix type is intended to be used as a surfacing where there is a requirement for texture depth, noise reduction and /or splash and spray suppression.

ITEM 420.50030204 - TOP COURSE POROUS ASPHALT …

Porous Asphalt Pavement Mixtures Design Criteria Mix N design Air Voids @ N design PG Binder Content VCA mix 2 Draindown of Uncompacted Asphalt Mixtures, AASHTO T305, maximum Mixing and Compaction Temperature Range4 °F Top Course 50 20.0 5.5% Minimum Less than VCA drc 3 0.3 % 285°F - 325°F Binder

IAPA :: Porous Pavements - il-asphalt.org

The general guidelines for the porous asphalt pavement design are: Consider the location for porous pavements early in the site design process. Soil infiltration rates of 0.1 to 10 inches/hour work best. Minimum depth to bedrock or seasonal high water should be greater than two feet. The bottom of the infiltration bed should be flat to maximize ...

UNHSC Design Specifications for Porous Asphalt …

Porous Asphalt Pavements, Information Series 131 (2003) and Design, Construction, and Maintenance of Open-Graded Friction Courses, Information Series 115 (2002). D. Alternative specifications for mix, such as Open Graded Friction Courses (OGFC) from Federal

Porous asphalts for improved drainage | Tarmac

Fast draining porous asphalt for driveways and parking areas. ULTIDRIVE POROUS is a hard-wearing permeable asphalt that eliminates the problem of surface water whilst meeting relevant local planning requirements. It combines excellent drainage characteristics with long term durability, View product.

Porous Asphalt and Concrete Pose Big Problems - TRUEGRID ...

Porous concrete and pervious asphalt were invented to help reduce the costly consequences of impervious surfaces. Videos of porous asphalt absorbing water have gone viral. Everyone knows that surfaces that absorb water instead of creating runoff and flooding are needed.

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

Both porous asphalt and pervious concrete are modified versions of the standard material where void space is created within the material to allow water to percolate through the pavement. This void space is created by removing a large portion of the fine aggregate in the mix design.

Specification for Road Works Series 900 - Road Pavements ...

(v) IS EN 13108-7 Bituminous Mixtures - Material Specifications - Porous Asphalt (vi) IS EN 13108-8 Bituminous Mixtures - Material Specifications - Reclaimed Asphalt (vii) IS EN 13108-20 Bituminous Mixtures - Material Specifications - Type Testing (viii) IS EN 13108-21 Bituminous Mixtures - Material Specifications - Factory Production

Porous Asphalt | NYC Street Design Manual

Porous asphalt is a pilot material that the city is testing at select locations. Use of this material beyond the city-led pilots will require a maintenance agreement. Can be proposed for use in parking lanes, parking lots, and recreational paths. Must have adequate sub-surface conditions to detain stormwater and level bottom to allow for ...

Construction specifications for permeable pavement ...

This test method can be used on porous asphalt and PICP. Porous asphalt installation. The following has been excerpted from the Minnesota Asphalt Pavement Association (MAPA 2012) and from the National Asphalt Pavement Association (Hansen 2008). These documents should be reviewed for detailed specifications. Use PG 58-28 or PG 64-22 asphalt binder.

POROUS ASPHALT: DESIGN AND CONSTRUCTION …

POROUS ASPHALT: DESIGN AND PERFORMANCE GOALS 1. Properly integrated into site design 2. Permeable wearing course 3. Flexible Pavement Section designed for saturated subgrade conditions 4. Pavement designed to infiltrate of rainfall 5. Pavement depth sufficient to eliminate frost heave 6. Durable, long lasting wearing course 7.

Porous Asphalt The Specs

Mix Design Class ½ HMA PG 70-22 Binder content shall be between 6.0% and 7.0% Void ratio of 16% to 25% Percent of two face fracture shall be greater than 90%. March 2015 Porous Asphalt -The Specs Washington Asphalt Paving Association 7 Sieve Size

UNHSC Design Specifications for Porous Asphalt Pavement ...

media beds, and porous asphalt mix (mix) design, production, and installation. Porous media beds refer to the material layers underlying the porous asphalt pavement. 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 ...

Porous Asphalt - an overview | ScienceDirect Topics

George C. Wang, in The Utilization of Slag in Civil Infrastructure Construction, 2016 10.4.3.2 Porous pavement. Steel slag is an excellent aggregate for porous asphalt mixes. Porous HMA can be 45–55 mm thick, and placed over an impermeable layer to protect underlying layers from the penetration of water. A dense layer is normally required beneath the porous asphalt layer.

Pervious Pavement Design Guidance - UNI-GROUP U.S.A

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.

Porous Asphalt Pavement BMP - Michigan

Design Considerations: Porous asphalt pavement systems should be designed by registered professional engineers. Slope: The slope of porous asphalt pavement should not exceed 5% and is best when as flat as possible. If low spots do develop in the parking lot, it may be advisable to install drop inlets to divert runoff into ...

State-of-the-art of porous asphalt pavement: Experience ...

Mixture design of porous asphalt pavement. Although PA has gradually attracted widespread attention in China, the lack of unified design standards at present is the main limitation to further use of PA mixture. In an effort to promote advancement and standardization of the mixture design practice, this section summarizes the mixture design ...

The Benefits of Using Porous Asphalt Pavement in ...

pavement will be analyzed: permeable pavers, porous asphalt, and permeable concrete. The composition, benefits and shortcomings of the three methods will be analyzed along with a case study in the Chicagoland for each. The benefits of using porous asphalt will be highlighted as a final discussion of the paper. GENERAL DESIGN Regional Considerations

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

(PDF) Laboratory Evaluation on the Road Performance of ...

Porous asphalt mixture (PAM) is an indispensable pavement material for the construction of sponge city with low-cost and environment friendly characteristics, which conducive to replenishing urban ...