superpave design for hot mix asphalt codot
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Superpave Design for Hot Mix Asphalt - codot.gov

Superpave Design for Hot Mix Asphalt 1. SCOPE . This procedure is used to determine or verify the optimum binder content of an asphalt paving mix. 2. REFERENCED DOCUMENTS 2.1 AASHTO Standards: T 11 Materials Finer than the No. 200 Sieve in Mineral Aggregates by Washing . T 27 Sieve Analysis of Fine and Coarse Aggregates

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Improving Hot Mix Asphalt Performance with

Improving Hot Mix Asphalt Performance with SUPERPAVE. A Driving Force In Asphalt . ... 4 Steps of Superpave Mix Design 1. Materials Selection 2. Design Aggregate Structure ... Design Asphalt Binder Content 90 92 94 96 98 100 50 75 100 125 5.1% AC 4.8% AC 4.5% AC 4.2% AC % Gmm Number of Gyrations (Ndes)

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DESIGN OF TXDOT ASPHALT MIXTURES USING THE

of hot mix asphalt (HMA) paving mixtures and for preparation of realistic test specimens for laboratory evaluation. Researchers used the Texas gyratory compactor (TGC) and TxDOT design process (i.e., optimum asphalt content [OAC] depending on the compaction mechanism) as the paradigm for the SGC apparatus and the Superpave design process.

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Asphalt - 21 - i25gap.codot.gov

An excellent discussion of the Superpave mix design can be found in the Asphalt Institute Manual SP-2, Superpave Mix Design. When using the 0.45 Power -Chart, CDOT defines the maximum density gradation line as a straight line passing from the origin to one sieve size larger than the nominal maximum aggregate size.

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Asphalt - 21 - codot.gov

An excellent discussion of the Superpave mix design can be found in the Asphalt Institute Manual SP -2, Superpave Mxi Desgni. When using the 0.45 Power -Chart, CDOT defines the maximum density gradation line as a straight line passing from the origin to one sieve size larger than the nominal maximum aggregate size.

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Improving Hot Mix Asphalt Performance with SUPERPAVE

Improving Hot Mix Asphalt Performance with SUPERPAVE. A Driving Force In Asphalt . ... 4 Steps of Superpave Mix Design 1. Materials Selection 2. Design Aggregate Structure ... Design Asphalt Binder Content 90 92 94 96 98 100 50 75 100 125 5.1% AC 4.8% AC 4.5% AC 4.2% AC % Gmm Number of Gyrations (Ndes)

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GUIDANCE FOR SUPERPAVE BITUMINOUS CONCRETE MIXES

asphalt binders used in hot mix asphalts. The two primary forms of asphalt modification currently being used by the Department are 1) Polymer Modified Asphalt and 2) Warm Mix Asphalt. 1) Polymer Modified Hot Mix Asphalt (Polymer Modified Asphalt – PMA) Polymer is a technical word for plastic. Plastics can be formulated to have certain ...

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Superpave Design Guidelines for Using Hot-Mix Recycled ...

Superpave Aggregate Consensus Property Requirements), the one-point mix design may be submitted for approval. However, if the air void content is less than 3.5% or greater than 4.5% (based on initial testing at the optimum asphalt content of the virgin mix design) then a complete mix design produced in accordance with Chapter 2A is required. b.

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CP-Ls 5100 — Colorado Department of Transportation

Superpave Design for Hot Mix Asphalt. CP-L 5117. Determination of the Asphalt Binder Content of Bituminous Mixtures by the Ignition Method. CP-L 5120. Mix Design for Hot In-Place Recycling of Asphalt Pavements. CP-L 5140. Contractor Asphalt Mix Design Approval Procedures Utilizing RAP Millings from the Same Project.

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HOT MIX ASPHALT PAVEMENT DESIGN GUIDE

Flexible Perpetual Design Analysis Software. 1 HOT MIX ASPHALT WHAT IS HOT MIX ASPHALT? Hot mix asphalt may be referred to by several names. In different sections of the state it may also be referred to as bituminous concrete,hot plant mix,asphalt concrete, blacktop or Superpave. Hot mix asphalt is composed of aggregate bound together

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In-Place Voids Monitoring of Hot Mix Asphalt Pavements

(now CDOT) began using the Marshall mix design method. The Department used this method up to the early 1960s. In the early 1960s, the department began using the California kneading compactor to compact asphalt specimens for use in the Hveem Mix Design procedure. At first this mix design method produced abnormally low asphalt contents.

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Colorado Procedure 43-2000 - winter.codot.gov

• CP 41 Sampling Hot Mix Asphalt • CP 55 Reducing Field Samples of Hot Mix Asphalt to Testing Size . 2.2 Manufacturer’s instruction manual. 2.3 CDOT Standard Special Provisions and/or Project Special Provisions for Item 620 . 2.4 CDOT M S Standards, Item 620 . 3. SIGNIFICANCE AND USE

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DESIGN OF TXDOT ASPHALT MIXTURES USING THE SUPERPAVE ...

of hot mix asphalt (HMA) paving mixtures and for preparation of realistic test specimens for laboratory evaluation. Researchers used the Texas gyratory compactor (TGC) and TxDOT design process (i.e., optimum asphalt content [OAC] depending on the compaction mechanism) as the paradigm for the SGC apparatus and the Superpave design process.

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FLEXIBLE PAVEMENT UNIT - codot.gov

Determination of the Asphalt Binder Content of Bituminous Mixtures by the Ignition MethodCP -L 5120 . Mix Design for Hot In-Place Recycling of Asphalt Pavements.....CP-L 5140 . Contractor Asphalt Mix Design Approval Procedures Utilizing

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HOT MIX ASPHALT - Tennessee

the cost of such specialty items from the total original cost before computing the amount of the Work required to be self-performed by the Contractor with its own organization. As stated above, unless there is a Special Provision 108A in the proposal, the following

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High Performance Mix Asphalt Pavements for In tersections

Conoco Asphalt by donating the AC-IO and AC-20P asphalt cement used in one quadrant of the intersection. Thanks to Brannan Sand and Gravel and Frank C. Klein for donating trucks and personnel to help reduce costs further. The SUPERPAVE Level I Mix Design was performed by the Asphalt Institute in Lexington, Kentucky.

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Njapa Design Guide - The New Jersey Asphalt Pavement ...

“HOT MIX ASPHALT” – the term “Hot Mix Asphalt” is located in the first field in the Pay Item description for the purpose of identifying the mixture requirements. “12.5” – the second field in the Pay Item description designates the nominal maximum size aggregate (in millimeters) for the job mix formula (Other sizes may be

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SUPERPAVE ASPHALT CONCRETE

SECTION 334SUPERPAVE hot mix asphaltfor local agencies. 334-1 Description. 334-1.1 General: Construct a Superpave Hot Mix Asphalt pavement for local agencies using the type of mixture specified in the Contract, or when offered as alternates, as selected. Superpave mixes are identified as Type SP-9.5, Type SP-12.5 or Type SP-19.0.

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Superpave Design Guidelines for Using Hot-Mix Recycled ...

“Improved Mix Design, Evaluation, and Materials Management Practices for Hot Mix Asphalt with High Reclaimed Asphalt Pavement Content,” NCHRP Report 752, 2013, Transportation Research Board, National Research Council, Business Office, 500 Fifth Street N.W., Washington D.C. 20001. Tel: (202-334-3213); or email [email protected]

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Superpave Design Guidelines for Using Hot-Mix Recycled ...

Superpave Aggregate Consensus Property Requirements), the one-point mix design may be submitted for approval. However, if the air void content is less than 3.5% or greater than 4.5% (based on initial testing at the optimum asphalt content of the virgin mix design) then a complete mix design produced in accordance with Chapter 2A is required. b.

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Hot Mix Asphalts 101 - State

4 Steps of Superpave Mix Design. Aggregate Properties • Consensus Properties - required ... (higher cost) – Costs typically prohibit use in “normal” ... • Asphalt rubber is the process of adding recycled, crumb rubber to hot mix asphalt (called dry process) or the asphalt binder (called wet process) to modify the final mixture

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DESIGN OF TXDOT ASPHALT MIXTURES USING THE SUPERPAVE ...

of hot mix asphalt (HMA) paving mixtures and for preparation of realistic test specimens for laboratory evaluation. Researchers used the Texas gyratory compactor (TGC) and TxDOT design process (i.e., optimum asphalt content [OAC] depending on the compaction mechanism) as the paradigm for the SGC apparatus and the Superpave design process.

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Bulk Specific Gravity and Percent ... - winter.codot.gov

Compacted by the Superpave Gyratory Compactor . 3. SIGNIFICANCE AND USE. 3.1 This procedure covers and describes two test methods for determining bulk specific gravity to calculate the percent relative compaction of Hot Mix Asphalt. 4. TERMINOLOGY. 4.1 Definitions: 4.1.1 ...

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Hot Mix Asphalt Research Investigation For Connecticut ...

The Superpave mix design system was developed as part of the Strategic Highway Research Program during the early 1990’s. One of the primary foci of the Superpave mix design system was to eliminate the problem of permanent deformation of Hot-Mix Asphalt (HMA) pavements as many transportation

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Colorado Procedure 43-2000 - winter.codot.gov

• CP 41 Sampling Hot Mix Asphalt • CP 55 Reducing Field Samples of Hot Mix Asphalt to Testing Size . 2.2 Manufacturer’s instruction manual. 2.3 CDOT Standard Special Provisions and/or Project Special Provisions for Item 620 . 2.4 CDOT M S Standards, Item 620 . 3. SIGNIFICANCE AND USE

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HOT MIX ASPHALT - Tennessee

the cost of such specialty items from the total original cost before computing the amount of the Work required to be self-performed by the Contractor with its own organization. As stated above, unless there is a Special Provision 108A in the proposal, the following

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Choosing the Right Asphalt Mix For the Right Road

Asphalt Mix For the Right Road Clark Morrison Pavement Management Unit . What is the Difference Between Asphalt Surface Mixes? SF9.5A S9.5B S9.5C S9.5D . As you go from A to B to C to D: •Liquid AC gets stiffer •AC content generally decreases As a result:

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Njapa Design Guide - The New Jersey Asphalt Pavement ...

“HOT MIX ASPHALT” – the term “Hot Mix Asphalt” is located in the first field in the Pay Item description for the purpose of identifying the mixture requirements. “12.5” – the second field in the Pay Item description designates the nominal maximum size aggregate (in millimeters) for the job mix formula (Other sizes may be

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SUPERPAVE ASPHALT CONCRETE

SECTION 334SUPERPAVE hot mix asphaltfor local agencies. 334-1 Description. 334-1.1 General: Construct a Superpave Hot Mix Asphalt pavement for local agencies using the type of mixture specified in the Contract, or when offered as alternates, as selected. Superpave mixes are identified as Type SP-9.5, Type SP-12.5 or Type SP-19.0.

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Asphalt Cement Content of Asphalt ... - i25gap.codot.gov

asphalt cement content within ± 0.5 percent of the mix design. 4.1.3 The range of control mix shall be between 2 and 14 percent asphalt cement by weight. 4.2 Sample Pans - Three or more stainless-steel pans. Dimensions as specified by the gauge manufacturer. Sample

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IS THE SUPERPAVE MIX DESIGN COST EFFECTIVE? Northwest ...

Aug 04, 2012  Variables Involved The introduction of the Superpave Mix Design for asphalt pavements was herald as one of the greatest improvements of the 20th century by some. The effort in developing the new design parameters was scattered among some of the most skilled asphalt technologists in the world. I was involved in the SHRP program, and

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Determining the Maximum Specific Gravity of HMA

CP 41, Sampling Hot Mix Asphalt. 5.2 The size of the test specimens shall be governed by the nominal maximum aggregate size of the mixture and conform to the mass requirement of Table 51-1. Split or quarter the field sample in accordance with CP 55 until the mass of

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