cdot asphalt mix design

SECTION 900 HOT BITUMINOUS PAVEMENT (ASPHALT) …

shall be as determined by the mix design. The mix design shall be determined using SHRP (Strategic Highway Research Program) and Colorado Procedure CP-L 5115 for the Superpave Method of Mixture Design. Superpave PG asphalt binders shall comply with Table 702-2 Superpave Performance Graded Binders of the CDOT


TABLE OF CONTENTS

2020 CDOT LMTP 7-01-2020 Table of Contents . Page 1 of 2. TABLE OF CONTENTS . 2020 CDOT Laboratory Manual of Test Procedures. Introduction: ... CP-L 5117 Superpave Design for Hot Mix Asphalt . CP-L 5120 Determination of the Asphalt Binder Content of Bituminous Mixtures by the


» VDOT Mixes & Guidelines

The ia Department of Transportation (VDOT) specifications, standards, and test methods have been the standard in ia for more than 50 years. During that time VDOT has changed their nomenclature for asphalt mixes several times, typically following a major rewrite of their asphalt specifications and mix design criteria.


COST-BENEFIT EVALUATION OF SHORT-TERM WARRANTIES …

CDOT-2012-1 2. Government Accession No. 3. Recipient's Catalog No. 4. Title and Subtitle COST-BENEFIT EVALUATION OF SHORT-TERM WARRANTIES FOR HOT MIX ASPHALT PAVEMENTS 5. Report Date March 2012 6. Performing Organization Code 7. Author(s) Jay E. Goldbaum, P.E. 8. Performing Organization Report No. CDOT-2012-1 9. Performing Organization Name and ...


RESEARCH - codot.gov

In the winter of 1985-1986, the CDOT Flexible Pavement Unit performed a mix design using a dry process (Plus Ride) using local asphalts and aggregates. This design was ... In the case of the 1 % crumb rubber mix, the design asphalt content was 6.1 % and the RAP was removed in order to provide room for the crumb rubber. This mix was rich in


TABLE OF CONTENTS

Documentation, Adobe Sign Adobe Sign instructions for CDOT Form 473/474. Documentation, Design-Build Design-Build Quality Assurance Program, Project Materials to Finals Materials. Documentation, ... CP 12A Contractor's Hot Mix Asphalt Process Control Notebook .


DESIGN AND CONSTRUCTION STANDARDS CHAPTER 8 …

(b) The design mix for hot bituminous pavement shall conform to Table 8-2, "Hot Bituminous Pavement Design Mix," and Table 8-3, "Minimum Voids in the Mineral Aggregate (VMA)." (c) The addition of any recycled material is subject to approval by the Director prior to use in any asphalt mix.


Ncdot Approved Concrete Mix Designs

Feb 15, 2020· Concrete mix design technician design 8112016. The concrete mix design database is a plant by plant list of mix designs accepted for each plant. Entry of the mix design into the hicams database. Concrete mix designs are submitted to a general account at concretedesigns at ncdotgov which allows multiple people to access.


Hot Mix Asphalt - Illinois Department of Transportation

Dec 08, 2003· Hot Mix Asphalt 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 ...


Years to first rehabilitation of superpave hot mix asphalt.

Jul 01, 2014· The analyzed data may be used to estimate the initial life of a pavement which can be incorporated into the LCCA within CDOT's M-E Pavement Design Guide. It will also provide guidance to CDOT and subcontractors in determining the cost-effectiveness of different pavement designs, construction and maintenance costs.


| AsphaltPro Magazine | Both ... - Asphalt & Paving News

The Southern production team made 154,116 tons with the CMI E-3 portable counterflow plant to win the CDOT Quality in Asphalt Production Award for Greater than 100,000 Tons in 2020. The teams at two divisions of Companies in the Colorado Asphalt Pavement Association (CAPA) have received recognition for their quality production with a ...


Materials Forms – Instructions & Examples -22

2022 CDOT FMM 7-01-2021 Materials Forms Instructions & Examples– Page 1 of 6. Materials Forms – Instructions & Examples -22 . 1. SCOPE . 1.1 The 2019 CDOT Field Materials Manual changed its format with regard to the examples of Materials Forms.


Investigation of AASHTO T 283 To Predict the Stripping ...

asphalt content of the new mix design did not match the optimum asphalt content of the original mix design, it was assumed the materials had changed, and the new optimum asphalt content was used. No optimum asphalt contents used in this study varied by ... CDOT specified the use of liquid antistripping additives in all mix­ ...


Guidance for Characterization of Existing Asphalt Pavement ...

The key mix design parameters in segregation susceptibility are gradation and asphalt content (AASHTO, 1997). Specifically, open- graded mixes and low asphalt binder content mixes are particularly prone to segregation.


Approved Asphalt Mix Designs - City of Fort Collins

Aug 16, 2021· Construction Inspection/Permits Excavation Permits Engineering Development Review Street Design & Construction Standards Transportation Capital Expansion Pedestrian Needs Assessment Other Services Small Cell. ... Approved Asphalt Mix Designs# Supplier Mix ID Grading ... CDOT Class B/D/P Hand Mix 4/13/2022 MMM CD4715: 4500 psi


» VDOT Mixes & Guidelines

SM-9.5A This mix is a 'fine' to 'medium' (3/8 inch (9.5 mm) nominal maximum aggregate size) surface mix generally placed at 1 ½ inches (40 mm) in thickness. The 'A' designation corresponds to the Performance Graded (PG) asphalt binder of PG 64S-22 required in the mix. SM-9.5A mixes usually result in low water permeability values.


Colorado Procedure – Laboratory 5145-15

2020 CDOT LMTP 7-01-2021 CP-L 5145 . Page . 1. of . 4. Colorado Procedure – Laboratory 5145-15 . Standard Method of Test for . Contractor Asphalt Mix Design Approval Procedures Utilizing RAP Millings from the Same Project. 1. SCOPE. 1.1 This practice describes Reclaimed Asphalt Pavement (RAP) sampling and testing requirements ...


Asphalt Program — Colorado Department of Transportation

The Asphalt Pavement Program provides timely and accurate asphalt mix and binder testing, ensure high quality of CDOT asphalt mix and binder testing statewide, and provide engineering and technical expertise in the development, selection, application, construction, testing and maintenance of asphalt mix and binder materials that will assist the Regions in the development of the Department's ...


ASPHALT MIX DESIGN 101 - rmaces.org

ASPHALT MIX DESIGN 101 Rocky Mountain Asphalt Conference & Equipment Show February 20, 2020 MIX DESIGN DEVELOPMENT Specification Review ... Aggregate Grading – CDOT S, SX, ST, SMA FHWA 3/4" NMAS, 1/2" NMAS, 3/8" NMAS, FAA Gradation 1, 2 …


The right kind of lift

The asphalt was delivered to the site via belly dump trailers, where it was picked up by a Weiler 650B elevator and eventually laid down by a Vögele Vision 5200-2 with a Carlson Easy Screed. The paving's two-layer design followed a strict format, beginning with the CDOT ST mix, paved at a 1-in. lift, which consisted of a 3/ 8-in. aggregate ...


FLEXIBLE PAVEMENT UNIT

2020 CDOT LMTP 7-01-2021 Flexible Pavement Index . Page 1 of 2. FLEXIBLE PAVEMENT INDEX - 16. Colorado Procedures – Laboratory. ... Contractor Asphalt Mix Design Approval Procedures Utilizing .


Basic Mixture Technician Training - Asphalt Institute

The Basic Mixture Technician Training course provides detailed, hands-on laboratory training on basic aggregate and asphalt mixture testing for both experienced and inexperienced technicians. Instruction covers the most current AASHTO and ASTM standards used in the asphalt mix design process. The course focuses on giving the students a thorough ...


Mix Design for Hot In-Place Recycling of Asphalt Pavements

2020 CDOT LMTP 7-01-2020 CP-L 5140 . Page . 1. of . 4. Colorado Procedure – Laboratory 5140-15 . Standard Method of Test for . Mix Design for Hot In-Place Recycling of Asphalt Pavements 1. SCOPE. 1.1 This procedure is used to determine the properties of an asphalt pavement to be hot in-place


GUIDELINE FOR ASPHALT MIX SELECTION

GUIDELINE FOR ASPHALT MIX SELECTION "Local Agency" Page 2 B. Recycled Asphalt Pavement (RAP) Recycled asphalt pavement (RAP) is allowed in accordance to CDOT standards for quality control, sampling and testing, and stockpile management. 25% RAP is allowed in lower lifts and 20% RAP in the top mat of paving.


HOT MIX ASPHALT PAVEMENT DESIGN GUIDE

The pavement design requires the proper hot mix asphalt paving mixtures for the base and surface pavements. It is important that a Job Mix Formula for the paving mixture be established for and approved by the engineer. A reputable hot mix asphalt producer,providing standard


Determination of the Asphalt Binder Content of Bituminous ...

If necessary, prior to mixing, prepare a butter mix at the design asphalt content. The purpose of the butter mix is to condition the mixing bowl by providing a coating of asphalt and fines in the bowl. Mix and discard the butter mix prior to mixing any of the ... 13.1 There is no designated CDOT Form used for recording / reporting information ...


SUBJECT: HOT MIX ASPHALT (HMA) MIXTURE DESIGN AND …

10. AASHTO M 323– Standard Specification for Superpave Volumetric Mix Design. 11. AASHTO R 30– Standard Practice for Mixture Conditioning of Hot Mix Asphalt (HMA). 12. AASHTO R 35– Standard Practice for Superpave Volumetric Design for Asphalt Mixtures. 13. AASHTO T 11 - Standard Method of Test for Materials Finer Than 75- m


CURRENT COST-BENEFIT EVALUATION OF SHORT-TERM …

The purpose of this report is to provide the reader with the current cost-benefit evaluation of hot mix asphalt (HMA) projects constructed using the 3 and 5-year warranty specifications developed by CDOT. There were eight projects evaluated using the 3-y ear warranty specifications and two projects evaluated using the 5-year warranty ...


STANDARD CONSTRUCTION SPECIFICATIONS FOR ASPHALT …

Mix Design Methods for Asphalt Concrete, by The Asphalt Institute. Page 3 Standard Construction Specifications Division 40 – Asphalt Surfacing Revised 11/08 The number of blows of the Compaction hammer used in the Marshall Mix Design will be fifty (50) blows per side of specimen.


Producing an Environmentally Friendly Asphalt Pavement ...

Sep 26, 2012· The mix design was developed by S.T.A.T.E. Testing LLC in coordination with CDOT and Arrow Road Construction. The SMA mix consisted …


Asphalt03 Users Guide Rev1

Find Mix Design Lists all mix designs in the program. A √ appears next to the opened mix design. Clicking on one of the mix designs will call up that mix design and the project that contains that mix design. Tools PF Asphalt Starts a subprogram that will calculates a Quality Level & Pay Factor based on input information.


(PDF) In-Place Voids Monitoring of Hot Mix Asphalt Pavements

The Colorado Department of Transportation (CDOT) has used a number of asphalt mix design methods over the last 50 years. In 1949, the Colorado Department of Highways


GUIDELINE FOR ASPHALT PAVEMENT DESIGN IN COLORADO

Design Thickness Conversion of Structural Number to layer thickness' SN = a 1D 1 + a 2D 2m 2 + a 3D 3m 3 where – a 1, a 2, a 3 = layer coefficients representative of hot mix asphalt, aggregate base, and subbase courses – D 1, D 2, D 3 = actual thickness (in inches) of hot mix asphalt, aggregate base, and subbase courses – m 2, m


DESIGN AND CONSTRUCTION STANDARDS CHAPTER 8 …

part asphalt emulsion. The rate of application shall be 0.1 gallons per square yard of diluted asphalt emulsion. Before dilution, the emulsified asphalt shall comply . Effective: November 6, 2009 DESIGN AND CONSTRUCTION STANDARDS 8-1