Cold Asphalt | Pavtech | Québec

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Three Hot Mix Asphalt Types

Jan 14, 2019 · Now that you know the main three asphalt types, you need to be aware of the following tips during the construction process. First of all, the hot mix asphalt shall be transported from a nearby plant to the job site, and the closer the better to maintain proper temperatures.

Standard Hawai'i HMA Mixes - Hawaii Asphalt Paving Industry

Asphalt binder content ranges from 4.8to 7.0 percent by total weight of mix. Because of its smaller nominal maximum aggregate size, it is the best choice for thin lifts (less than 1.5 inches) and leveling courses. Hot Mix Asphalt Base Course (HMAB Course).

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


Section 302-5.3 of the Public Works Specifications “GREENBOOK.” Apply tack coat to concrete surfaces that will be in contact with the asphalt concrete paving. 3.10 PLACING ASPHALT PAVING Place asphalt paving to a total thickness of 4 inches or 1-inch thicker than adjacent

Asphalt Quality Control

Dec 02, 2016 · A look at the technology and testing that lies behind the scenes of producing a quality road surface. Ensuring that the asphalt mix continually meets specifications really is an exact science! For ...

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Technical Aspects of Asphalt Trail Design

Hot mix asphalt mix design. Not all hot mix asphalt is the same, and the type of mix used for a state highway may not be the appropriate mix for a trail or bike path. Specific mixes are designed for specific applications. The hot mix asphalt specified for your project should provide adequate strength and durability.

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Hot Mix Asphalt (HMA) - Texas Department of Transportation

Hot mix asphalt (HMA) is known by many different names, such as hot mix, asphalt concrete, asphalt or blacktop. It is a combination of stone, sand or gravel bound together by asphalt cement. After it is mixed at a high temperature, laid and compacted, the result is an improved driving surface for the traveling public.

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3. Asphalt Content: Asphalt content shall be within plus or minus 0.50 percent of the mix design content. Conformance with asphalt content requirements shall be determined by California Test 382 or 379 from samples taken from the mat behind the paving machine. Minimum testing frequency shall be one test for

specifications > Supplemental Specifications (SS) > 2015

SUPPLEMENTAL SPECIFICATIONS 2015. Title Date Status Replaced by SS-15001


QUALITY CONTROL AND QUALITY ASSURANCE PROCEDURES AND RESPONSIBILITIES FOR ASPHALT PLANT MIX PRODUCTION . 1. Scope . 1.1 This procedure outlines the Contractor ’s and the Alabama Department of Transportation’s (ALDOT) responsibilities during the production and lab testing of asphalt plant mix for ALDOT projects.

Sixth Edition 2019 - New Jersey Asphalt Pavement Association

SPECIFICATIONS FOR ASPHALT PAVEMENT . There are a wide variety of hot mix asphalt compositions used in New Jersey that vary from fine to coarse in size and gradation. Furthermore, New Jersey hot mix asphalt mixtures utilize different aggregates or combinations of aggregates, the principal types being crushed stone and sand. Good economics ...


Standard Construction Specifications Division 40 – Asphalt Surfacing Revised 11/08 Nuclear Method ASTM D-4791 Flat and Elongated Particles ASTM D-5821 Percent Fracture AASHTO M-29 Fine Aggregate for Bituminous Paving Mix AASHTO M-43 Standard Size of Coarse Aggregate for Highway Construction

FAA’s Mixture Specifications

information on airport asphalt pavements-Incorporates FAA’s New AC 150/5370-10G Standards for Specifying Construction of Airports Includes all specs (P-401, P-601, etc) • Day One – FAA Overview, Issues and Guidance – Design and Evaluation – Material Selection • Day Two – Mix Design Considerations – Construction • Day Three

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Control all operations in the handling, preparation, and production of the asphalt mix so that the percent asphalt binder content and the percents passing the No. 8 and No. 200 sieves will meet the targets from the mix design within the tolerances shown in Table 334-14.

Best Practices Handbook on Asphalt Pavement Maintenance

Best Practices Handbook on ASPHALT PAVEMENT MAINTENANCE February 2000 PUBLISHEDBY Minnesota Technology Transfer (T2) Center / LTAI’ Program Center for Transportation Studies University of Minnesota 5 1 1 Washington Avenue S.E. Minneapolis., MN 55455-0375 Prelpared by Ann Johnson, P.E., Professional Engineering Services, Ltd. Edited by


Warm Mix Asphalt (WMA). Warm Mix Asphalt (WMA) is defined as HMA that is produced at a target discharge temperature of 275°F or less using approved WMA additives or processes from the Department’s QPL. WMA is allowed for use on all projects and is required when shown on the plans.


Asphalt Content of Hot-Mix Asphalt by the Nuclear Method: 12/2/2008 : ALDOT-361 : Resistance of Compacted Hot-Mix Asphalt to Moisture Induced Damage: 11/17/2008 : ALDOT-370 : Guidelines for Operation of Hot-Mix Asphalt Plants and the Issuance of Test Reports: 8/31/2016: ALDOT-371

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Maximum Specific Gravity of Mix. Gmm = Max Specific Gravity of mix . Gb = Gravity of asphalt cement . Pmm = Percent by mass of loose mix . Ps = Percent (%) Agg. Content . Gse = Effective specific gravity of Agg. Pb = Asphalt content % by total mass of mix 2) Volume of Air Voids in Marshall’s

City Of Calgary Asphalt Plant Price Quotation 2020

5. Asphalt mixes are made in accordance with the latest City of Calgary specifications at the time of quote. 6. The City of Calgary cannot be held responsible or liable for plant disruptions due to issues beyond our control (labour strikes, weather, mechanical breakdowns, material shortages, etc.).

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Asphalt Warm Mix — Colorado Department of Transportation

Warm Mix Asphalt Approval - per the CDOT Field Materials Manual CP 59. Note: Click on "Technology Name" for the WMA Technology Review approval memo that contains details on the technology use and restrictions.

Supplemental Technical Specifications

SCDOT Supplemental Technical Specifications. Files are ordered by date & presented in a PDF format. Latest Versions (to be used in all new contracts)


S-1 (2360) HOT MIXED ASPHALT - POROUS PAVEMENT The provisions of the attached Combined 2360/2350 (Gyratory/Marshall Design) Specification of these Special Provisions is hereby modified as follows in order to use the porous pavement as part of providing for storm water treatment. Bituminous material shall be PG (Performance Grade) PG 64-22.