design values estimating guidelines for hot mix asphalt

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Design Values Estimating Guidelines for Hot Mix Asphalt

May 22, 2014  Designers when estimating hot-mix asphalt (HMA) quantities for US Customary projects, including appropriate unit weight values to be used in the required calculations. Guidelines for estimating and utilizing Quality Units (QU’s) for HMA items are also included. Background HMA quantities are calculated by first determining the volume of each ...

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HOT MIX ASPHALT PAVEMENT DESIGN GUIDE

HOT MIX ASPHALT PAVEMENT DESIGN GUIDE The Maryland Asphalt Association,Inc. Requirements for Successful Asphalt Pavement Construction 1 GOOD PLANNING 2 GOOD DESIGN ... ESTIMATING QUANTITIES For a cursory estimate of the quantity of material required, use—1 ton of hot mix asphalt covers 17 square yards,l" thick. 4

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Volumetric Design for Hot-Mix Asphalt (HMA)

Volumetric Design for Hot-Mix Asphalt (HMA) 1. Scope . 1.1 This standard for mix design evaluation uses aggregate and mixture properties to produce a hot-mix asphalt (HMA) job-mix formula. The mix design is based on the volumetric properties of the HMA in terms of the air voids (V ), voids in the mineral aggregate (VMA), and voids . a

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Local Agency Programs Hot Mix Asphalt Selection Guidelines

Mar 10, 2020  These guidelines provide for the selection of Hot Mixed Asphalt (HMA) and application rates utilizing the Superpave mix design system along with the Marshall Mix design system. The substitution of another HMA mixture type other than the recommended mixture is acceptable if it has demonstrated to perform under similar traffic conditions.

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Hot Mix Asphalt (HMA) Selection Guidance - December 2017

These guidelines provide for the selection of Hot Mixed Asphalt (HMA) and application rates utilizing the Superpave mix design system along with the Marshall Mix design system. The substitution of another HMA mixture type other than the recommended mixture is acceptable if it has demonstrated to perform under similar traffic conditions.

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CHAPTER 630 FLEXIBLE PAVEMENT HMA

Mar 20, 2020  Index 631.1 - Hot Mix Asphalt (HMA) HMA consists of a mixture of asphalt binder and a graded aggregate ranging from coarse to very fine particles. HMA is classified by type depending on the specified aggregate gradation and mix design criteria appropriate for the project conditions. The Department uses the following types of HMA based

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User Guide for the Design of Hot Mix Asphalt

The Interim Guidelines for the Design of Hot Mix Asphalt in South Africa (IGHMA) was prepared in 2001 as part of the Hot Mix Asphalt Design Project launched in 1998 by SANRAL (South African National Road Agency Ltd), CSIR Transportek and Sabita (Southern African Bitumen Association). The aim was to develop a new HMA design method for South Africa.

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Engineering Control Guidelines for Hot Mix Asphalt Pavers ...

Public comments offered two general reasons for excluding the retrofit of existing highway- and nonhighway-class hot mix asphalt (HMA) pavers from the current guidelines: Current research applies only to new equipment that has the engineering control designs integrated into the basic paver design.

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Hot Mix Asphalt (HMA) Selection Guidance - December 2017

These guidelines provide for the selection of Hot Mixed Asphalt (HMA) and application rates utilizing the Superpave mix design system along with the Marshall Mix design system. The substitution of another HMA mixture type other than the recommended mixture is acceptable if it has demonstrated to perform under similar traffic conditions.

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Read "A Manual for Design of Hot-Mix Asphalt with ...

Bibliography The Asphalt Institute (2001) Superpave Mix Design (SP-2), 128 pp. The Asphalt Institute (1997) Mix Design Methods for Asphalt Concrete and Other Hot-Mix Types (MS-2), 6th Ed., 141 pp. National Center for Asphalt Technology (NCAT) (1996) Hot-Mix Asphalt Materials, Mixture Design and Construction, NAPA, Lanham, MD, 585 pp. Introduction 3

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Colorado Procedure 59 -21

anticipated differences between mix design, WMA volumetric mix properties, and anticipated WMA production and acceptance values. The Contractor shall provide data to support field volumetric targets that are different from the WMA mix design values. At a minimum, thre e (3) full volumetric samples will be produced with WMA additive at design

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Asphalt Paving Design Guide - APAO

1) Select and specify the correct asphalt concrete mix for a given application. 2) Select and specify the most appropriate asphalt binder for the application and climate. 3) Select and specify the most appropriate mix design method and criteria for the application. 4) Select the appropriate structural design inputs and perform a structural design.

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SECTION 6 SURFACE TREATMENTS - Montana

values can be higher than convention-al hot mix asphalt. CQS-1h1, CSS-1h, 1h, SS-1h, RS-2, CRS-2 Apply a single aggregate chip seal. Af-ter curing, QS-broom loose material and apply the slurry seal. Have the strike-off ride on the rock surface to form the matrix. Avoid excess slurry that can cover the desired knobby stone texture of the chips.

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Louisiana

ASPHALT DESIGN MEMO ASPHALT CONCRETE PAVEMENT Pavement Design Submit the proposed typical section(s) and/or design to the Geotechnical Section, along with any additional ... For Thin Lift A lications, use the followin to estimate uantities: Dense Mix Coarse Mix OGFC Section 502 (Asphalt Concrete) 115 lbs./s . 115 lbs./s . 95 lbs. /s d. fin. d ...

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What is ESAL?

For a new construction, the recommended values shown in Table 2 may be used. 3 Construction and Materials Tips Third Quarter, 2005 Table 1. Typical Back-Calculated Values for Moduli of Pavement Layers Elastic Modulus, (ksi) Material Good Fair Poor Dense-Graded Hot Mix Asphalt Concrete (HMAC)1 500 Performance Design HMAC1 650 - 800 Flexible ...

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Pavement design with central plant hot-mix recycled ...

May 01, 2007  1.. IntroductionHot mix recycling is one of the popular pavement rehabilitation techniques. In central plant hot mix recycling, Reclaimed Asphalt Pavement (RAP) intended for recycling is combined with required quantity of virgin asphalt binder and new aggregates in a hot mix plant, located away from the construction site.

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Asphalt Calculator - How much asphalt do you need?

Estimate the volume of asphalt needed, using geometrical formulas and plans or measurements, including width, length, and depth (thickness). Estimate the density of the hotmix to be used. Standard density for asphalt is 145 lb/ft 3 (2322 kg/m 3 ). Multiply the

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Texas Perpetual Pavements - New Design Guidelines

HMA Hot-mix asphalt HMAC Hot-mix asphalt concrete HWTT Hamburg wheel tracking test IR Infra-red ... The recommendations include guidelines for structural thickness design, design software, response criteria, mix-design, and layer moduli values. 1-2 Recommendations for future PP construction improvements and performance evaluation

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STATE HIGHWAY ADMINISTRATION RESEARCH REPORT

Recommended default design values for resilient modulus and structural layer coefficient are 300 – 400 ksi and 0.30 – 0.35, respectively. ... Chart for estimating the structural layer coefficient of dense-graded ... as is the case in hot mix asphalt (HMA). Instead, the foamed asphalt

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Job Mix Formula (JMF) Verification Tool External Guidelines

Hot Mix Asphalt. Create 1 hot mix asphalt (HMA) sample for your Hot Mix Asphalt Design Data test results, AASHTO T308, T275, T209, T269, T283 (plant produced material) and T324 (plant produced material. Rubberized Hot Mix Asphalt Gap Graded. The same requirements for Type A Hot Mix Asphalt, excluding RAP, should be followed with the addition of ...

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Chapter 8 Slurry Seals - California Department of ...

Mix Design Process Select/Test Materials Design/Test Trial Mixes Recommend Mix Design Pre-screen materials Check materials compatibility Try different mixing proportions Prepare mixes at a range of emulsion contents Check for cohesion build-up Check for abrasion resistance Check for sand adhesion Select optimum emulsion content Test proposed mix to meet

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Densities for Use in Estimating Quantities Originally ...

The following densities should be used for estimating quantities of Hot Mix Asphalt (HMA) material. Table 1: HMA Densities Material Density Density Values for Scott County Projects Density Values for District 6 HMA 145 pcf — — High Performance Thin Lift Overlay (non-slag mixture) 150 pcf — — High Performance Thin Lift

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Texas Perpetual Pavements - New Design Guidelines

HMA Hot-mix asphalt HMAC Hot-mix asphalt concrete HWTT Hamburg wheel tracking test IR Infra-red ... The recommendations include guidelines for structural thickness design, design software, response criteria, mix-design, and layer moduli values. 1-2 Recommendations for future PP construction improvements and performance evaluation

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Design Manual Pavement Incentive/Disincentive (I/D) Bid ...

EACH. Use this value for cost estimating. HMA I/D Bid Items Bid items for HMA voids and smoothness should be included on projects with HMA pavement. Refer to the guidelines below for application. HMA Voids HMA Voids should be added except in the following situations: • Total HMA surface mix quantity is less than 2000 tons.

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BULK SPECIFIC GRAVITY (G ) OF COMPACTED HOT MIX

BULK SPECIFIC GRAVITY (Gmb) OF COMPACTED HOT MIX ASPHALT (HMA) USING SATURATED SURFACE-DRY SPECIMENS FOP FOR AASHTO T 166 Scope This procedure covers the determination of bulk specific gravity (Gmb) of compacted hot mix asphalt (HMA) using three methods – A, B, and C – in accordance with AASHTO T 166-12.

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STATE HIGHWAY ADMINISTRATION RESEARCH REPORT

Recommended default design values for resilient modulus and structural layer coefficient are 300 – 400 ksi and 0.30 – 0.35, respectively. ... Chart for estimating the structural layer coefficient of dense-graded ... as is the case in hot mix asphalt (HMA). Instead, the foamed asphalt

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EVALUATION OF RESILIENT MODULUS ESTIMATION

The objective of this study is (i) to determine the resilient modulus of Hot Mix Asphalt (HMA) mixtures which are prepared by different aggregate and bitumen types suggested in the Turkish General Directorate of Highways design guidelines; (ii) to estimate the resilient modulus of the HMA mixtures by empirical methods; iii)

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i Preface - APAI

both on site using cold mix or via a hot mix plant. Recycled pavements have been tested and pr oven in both the laboratory and the field to perform at least as well as virgin aggregate mixes. Over 90% of the hot mix asphalt plants in Iowa are capable of using reclaimed asphalt pavement (RAP). Asphalt pavements are 100 percent recyclable ...

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STANDARD CONSTRUCTION SPECIFICATIONS FOR ASPHALT

AASHTO T-308 Determining the Asphalt Content of Hot Mix Asphalt (HMA) by Ignition Method AASHTO T-209 Theoretical Maximum Specific Gravity and Density of Bituminous ... Mix Design Methods for Asphalt Concrete, by The Asphalt Institute. Page 3 Standard Construction Specifications Division 40 – Asphalt Surfacing Revised 11/08 ...

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Pavement Densification Related to Asphalt Mix Characteristics

Asphalt Mixture Design and Criteria The proper combination of different types and gradations of aggregate with varying quantities of asphalt cement to yield a satisfactory asphalt pavement is known as mix design. The discussion of asphalt mixture characteristics is based on the Marshall method because this is the procedure used in

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Chapter 4 Thickness Design - APAI

pavement design. Design Procedure Tables 4-1 thr ough 4-5 can be used dir ectly to select design thicknesses fr om the design input factors. In order to use the tables, appropriate traffic and subgrade classes must be selected as follows. Traffic The design procedure separates traffic into six classes (I through VI). Each class is defined

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Assessment of FAA HMA Overlay Procedures

pavement design, Advisor Circular 150/5320-6E (2009), incorporates a mechanistic approach for the analysis of pavement structures. The approach to hot-mix asphalt (HMA) overlay design is based on a thickness deficiency approach, in which the design thickness of an HMA overlay is

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TRANSPORTATION RESEARCH BOARD

Jul 17, 2018  Use existing agency procedure for estimating design traffic or the NAPA Traffic Classifications: ... Design of Hot-Mix Asphalt Pavements for Commercial, Industrial, and Residential Areas ... Values. NAPA Information Series 109, Design of Hot -Mix Asphalt Pavements for Commercial, Industrial, and Residential Areas (2002) ...

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Hot Mix Asphalt Plants - Emission Assessment Report

APPENDIX A AP-42 Section 11.1, Hot Mix Asphalt Plants, December 2000 APPENDIX B Emission Factor Documentation for AP-42 Section 11.1, Hot Mix Asphalt Production, December 2000 Final Report APPENDIX C Chapter 3: Preferred and Alternative Methods for Estimating Air Emissions from Hot Mix Asphalt

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WEST VIRGINIA DIVISION OF HIGHWAYS

401 Hot-Mix Asphalt Base, Wearing, and Patching and Leveling Courses ... 705 Asphalt Materials 707 Concrete Admixtures, Curing and Coating Materials 708 Joint Materials 709 Metals ... ESTIMATES-The official written itemization of the value of materials in

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