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39 HOT MIX ASPHALT, SUPERPAVE

39 HOT MIX ASPHALT, SUPERPAVE 39-1.01 GENERAL 39-1.01A Summary Section 39 includes specifications for producing and placing HMA by mixing aggregate and asphalt binder at a mixing plant and spreading and compacting the HMA mixture. HMA includes one or more of the following types: 1. HMA, superpave (HMA-SP) Type A 2. HMA, superpave (HMA-SP) Type C 3.

Hot Mix Asphalt Construction

About Hot Mix Asphalt Construction. Every year, the State of California invests millions of dollars in construction of hot mixed asphalt (HMA), previously known as Asphalt Concrete (AC), pavement. Producing high quality HMA pavement requires a good partnership between Caltrans, the plant producing the HMA material and the contractor placing the ...

QUALITY CONTROL AND QUALITY ASSURANCE PROCEDURES AND

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.

20 Spec -Section 460 Hot Mix Asphalt Pavement

Effective with the December 2019 Letting 176 2020 Standard Specifications Section 460 Hot Mix Asphalt Pavement 460.1 Description (1) This section describes HMA mixture design, providing and maintaining a quality management program for HMA mixtures, and constructing HMA pavement. Unless specifically indicated otherwise,

Compaction of Hot Mix Asphalt Concrete

Hot mix asphalt concrete is composed of asphalt, mineral aggregate and air. Compaction is the process by which the asphalt and aggregate are compressed into a reduced volume. For HMAC this process is achieved by rolling the upper surface of each layer of the asphalt

TxDOT Specifications

Nov 15, 2006 · 340 - DENSE GRADED HOT MIX ASPHALT (METHOD) SPECIFICATION REQUIREMENTS 1) Specify the type and grade of Performance Grade (PG) asphalt binder on the set of plans. 2) If different aggregate quality requirements (listed in Table 1) are desired, specify on the set of plans. 3) Specify the surface aggregate classification on the set of plans.

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Use of Performance Specifications for Asphalt

Use of Performance Specifications for Asphalt Mixtures TRB Webinar March 30, 2017 Overview of NCHRP Synthesis Report 492 Goal: Identify state-of-the-practice strategies used by DOTs, Canadian MOTs, and other agencies ...

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specifications > Supplemental Specifications (SS) > 2015

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

SECTION 400 – ASPHALT PAVEMENTS SECTION 401 – QUALITY CONTROL

SECTION 400 – ASPHALT PAVEMENTS SECTION 401 – QUALITY CONTROL/QUALITY ASSURANCE, QC/QA, HOT MIX ASPHALT, HMA, PAVEMENT 401.01 Description This work shall consist of one or more courses of QC/QA HMA base, intermediate, or surface mixtures constructed on prepared foundations in accordance with 105.03. 401.02 Quality Control

Asphalt Materials and Mix Design Manual PDF

Download Asphalt Materials and Mix Design Manual PDF book free – From Asphalt Materials and Mix Design Manual PDF: The purpose of this manual is to familiarize industry and students with the technology of asphalt in its several forms namely asphalt cement ...

Full Depth Reclamation with Expanded Asphalt Mix

Full Depth Reclamation with Expanded Asphalt Mix [FDR-EAM] – Method Specification 2018 1.0 DESCRIPTION This item covers requirements for the in-place full depth reclamation of the existing asphalt concrete pavement and ...

Hot Mix Asphalt - Illinois Department of Transportation

Develops and maintains statewide Hot Mix Asphalt (HMA) related policies, procedures and specifications for directing implementation of the statewide HMA mixtures program. Inspects and approves hot mix asphalt plants, maintains approved lists for truck bed release agents, warm mix technologies, and reclaimed asphalt shingle processing facilities.

Standard Washington State Hot Mix Asphalt Types

These HMA design specifications are listed in the current edition of the WSDOT Standard Specifications in section 9-03.8. Asphalt Treated Base (ATB) Asphalt Treated Base (ATB) is dense-graded HMA with a wide gradation band and lower asphalt content intended for use as a base course.

Drum Mix Asphalt Plant - Drum Mix Asphalt Plant

2020/03/04 · Asphalt drum mix plant is one type of asphalt plant that produces hot mix asphalt in a continuous process. Continuous asphalt mixing plant is low on running cost, maintenance and high on production. With strong agitation

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Job Mix Formulas, Explained

Pick the asphalt binder content that best satisfies the mix design objectives. Once the optimum asphalt binder content has been determined, the voids in mineral aggregate (VMA) needs to be checked. The owner/agency specifications will indicate the required minimum VMA for your project.

SUPERPAVE ASPHALT CONCRETE

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.

Asphalt Mix Design - Regina, Saskatchewan

Maximizing the performance of high quality materials and sophisticated construction practices is best achieved with a thorough understanding of material properties and asphalt mix design. Engineers and technical managers are faced with the challenge of maintaining the investment in highways, airport runways, urban roads, parking areas and ...

SPECIFICATIONS FOR ASPHALT PAVING, MATERIALS

SPECIFICATIONS FOR ASPHALT PAVING, MATERIALS, SAMPLING, AND TESTING Public Works Department May 1, 2019 Page 4 6.0 MIX DESIGNS Mix designs shall be completed by the contractor in accordance with OPSS 1150.04.01.02 using the Marshall Method.

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Chapter 4: Construction Details, Section 92: Asphalt Binders

Section 92 Asphalt Binders 4-9201 General. Asphalt binder and modified asphalt binder, as defined in Section 92, “Asphalt Binders,” of the Standard Specifications, are also referred to as asphalt or paving asphalt. Modified asphalt binder is asphalt binder that has been modified with polymers, crumb rubber, or …

Publications

Method of Test for Determining Stripping of Hot Mix Asphalt. T 720 (PDF 244 KB) Method of Test for Thickness Measurement of Hot Mix Asphalt Cores. SOP 723 (PDF 939 KB) Standard Operating Procedure for Submitting Hot Mix Asphalt (HMA) Mix Designs for Verification. T 724 (PDF 324 KB) Method for Preparation of Aggregate for HMA Job Mix Design. T ...

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HOT MIX ASPHALT PAVEMENT DESIGN GUIDE

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 into a solid mass by asphalt cement. The aggregates total

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.

Chapter 4: Construction Details, Section 39: Asphalt Concrete

Section 39 Asphalt Concrete 4-3901 General. Section 39, “Asphalt Concrete,” of the Standard Specifications provides material and construction requirements for hot mix asphalt (HMA) including Type A, rubberized hot mix asphalt-gap graded (RHMA-G), open-graded friction course (OGFC), minor HMA, and hot mix asphalt with warm mix asphalt (WMA) additive technology.

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