asphalt pavement design example


HOT MIX ASPHALT PAVEMENT DESIGN GUIDE

asphalt pavement if desired) while meeting stringent air quality standards. 3 ASPHALT PAVING MIXTURES 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.

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Pavement Manual: Rigid Pavement Design

1.3 Performance Period. For rigid pavements, the initial pavement structure shall be designed and analyzed for a performance period of 30 yr. A performance period other than 30 yr. may be utilized with justifications. For example, an existing pavement to …

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INTERIM PAVEMENT DESIGN PROCEDURE - NCDOT

The pavement design guidelines included herein are to be used for the design of all new and rehabilitated projects in North Carolina. This procedure will be updated as necessary to include new developments in design and analysis procedures and will be distributed to Division Engineers and Pavement Review Committee members. PAVEMENT DESIGN EQUATIONS

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SECTION 500.00 – PAVEMENT DESIGN

510.06 PAVEMENT DESIGN MATERIALS 188 510.06 Design Adjustments for Material Cohesion, Stability and Drainage. The cohesion of compacted asphalt treated mixtures gives additional strength to the pavement structure. In consideration of this cohesive strength, it is then reasonable to adjust the total pavement thickness

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Basic Asphalt Materials Mixture Design and Testing

air temperatures. For example, the typical PG grade used in Central Ontario is a PG 58-28. Realistically, pavement temperatures in Central Ontario will never drop down to -28°C, but the typical asphalt binder used will meet this standard so it is graded as such, grades are bumped up

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Superpave Asphalt Mixture Design - APANM

nEstimated, 20-year, design traffic is 6,300,000 ESAL's nPosted traffic speed is 80 kph (50 mph) – Estimated, ave speed is 72 kph (45 mph) n19.0 mm Surface Course – Such that the top of the pavement layer 5 from the surface is less than 100 mm.

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Road Pavement Design Guide - Kent County Council

other pavements receiving heavy loading from, for example, fork lift trucks, designers should consult the relevant section in the Design Manual for Road and Bridges or other pavement design guidance.

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Asphalt Pavement Thickness and Mix Design - Asphalt Institute

When 16 to 25% RAP is used: "The selected binder grade for the new asphalt is one grade lower for both the high and low temperature stiffness than the binder grade required for a asphalt. For example, if the specified binder grade for the mix is a PG 64-22, the required grade for the recycled mix would be a PG 58-28".

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NDOT Pavement Design Manual - Nebraska

NDOT Pavement Design Manual Page 7 Chapter 2: Pavement Design Overview 2.1 Pavement Determination Process Date: Revised 2018 Source: Barrett During the design life of a project there are five activities completed by Pavement Design. All activities, except the Verification, are forwarded to the District Engineer for concurrence. 1.

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Chapter 44 PAVEMENT DESIGN

are shown through the pavement design procedure for the four types of pavements discussed. The color is only meant to assist in following the criteria used in the examples. There may be duplicate numbers in the figures within Sections 44-1 thru 44-5 to reflect these examples. 44-1.01 Pavement Design Definitions 1. Average Daily Traffic (ADT).

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Marshall Mix Design – Pavement Interactive

Hot Mix Asphalt Materials, Mixture Design, and Construction. National Asphalt Pavement Association Education Foundation. Lanham, MD. National Asphalt Pavement Association. (1982 [3]). Development of Marshall Procedures for Designing Asphalt Paving Mixtures, Information Series 84. National Asphalt Pavement Association. Lanham, MD. Asphalt Institute.

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Asphalt Paving Design Guide - Asphalt Pavement Association ...

Asphalt Paving Design Guide prepared for the Asphalt Pavement Association of Oregon 5240 Gaffin Road, SE Salem, OR 97301 by R.G. Hicks Department of Civil Engineering Oregon State University Corvallis, OR 97331 Paul Curren Pavement Engineering Inc. Petaluma, CA 94954 and James R. Lundy Department of Civil Engineering Oregon State University

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An overview of asphalt pavement design for streets and roads

For example, Figure 4 shows three correlations between PSI and IRI that substitute the use of Equation 2. Reliability considers two sources of uncertainty in pavement design: (a) the prediction of the future traffic on the structure, and (b) the prediction of the serviceability of the pavement in any future moment after supporting the traffic ...

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Pavement Thickness Design

Mar 05, 2020· 5F-1 Design Manual Chapter 5 - Roadway Design 5F - Pavement Thickness Design Pavement Thickness Design 1 Revised: 2019 Edition A. General The AASHO road test (completed in the 1950s) and subsequent AASHTO Guide for the Design of Pavement Structures (AASHTO Design Guide) provide the basis for current pavement design practices.

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Flexible Pavement Empirical Design Example – Pavement ...

The standard method in the 1993 AASHTO Guide for Design of Pavement Structures involves calculating a weighted average subgrade resilient modulus based on the relative pavement damage. Because lower values of subgrade resilient modulus result in more pavement …

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DESIGN AND CONSTRUCTION GUIDELINES FOR FULL …

• Existing asphalt pavement core gradations. • Percentage of asphalt content in the asphalt pavement cores taken. 3.2.3 Subbase/Subgrade Sample Classification Samples should be obtained from all layers expected to be reclaimed (asphalt, subbase, and possibly subgrade). The depth of sampling should be 1.5 times the depth of pulverization. The

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MIX DESIGNATION NUMBERS for BITUMINOUS MIXTURES …

5 = 9.5mm [3/8 inch], (Marshall design only) E = See provision for SMA design * Letter is used in gyratory designation; number is used in Marshall designation (4) For Gyratory Design: The sixth digit indicates the Traffic Level (ESAL's x 106) The requirements for gyratory mixtures in this specification are based on the 20-year

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Flexible pavement design.ppt - IIT Bombay

Example A new four lane divided highway is to be constructed on a subgrade of CBR 1.8 %. The ADT of truck traffic based on the last count was 8000. The directional split of traffic is 55:45. Vehicle damage factor based on axle load survey was 4.0. Design a suitable pavement section for a design …

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Pavement Design Manual - Alberta

Pavement Design Manual Section 1 Introduction - Page 1 1 INTRODUCTION 1.1 Objective This Manual provides a comprehensive guideline to be followed by engineering consultants for pavement design for new roadway and final stage pavement construction, …

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2009 Pavement Design - University of Washington

• Flexible Pavement –Hot mix asphalt (HMA) pavements – Called "flexible" since the total pavement structure bends (or flexes) to accommodate traffic loads – About 82.2% of paved U.S. roads use flexible pavement – About 95.7% of paved U.S. roads are surfacedwith HMA/BST • Rigid Pavement

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Understanding and Using the Mechanistic Empirical …

Asphalt . Design Life-Analysis . Period . Assumed Rehab Rehab Rehab. Pavement Condition. Min. Acceptable Rating . Concrete Asphalt . Actual Age or Traffic Pavement Condition. Min. Acceptable Rating . Concrete Asphalt . MEPDG MEPDG Pavements designs (thicknesses & features) are based on old design models • Concrete is assumed to last the ...

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Basics of Concrete Pavement Thickness Design

PAVEMENT DESIGN Subbase Effects The current Design does not model the contribution of bases accurately. At the AASHO Road Test, it was found that the concrete pavements with granular bases could carry about 30% more traffic. The current design procedures allows concrete pavements built with granular bases to carry about 5 - 8% more traffic.

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Pavement Design Overview - Purdue University

Perpetual Pavement Concept •Asphalt pavements with high enough strength will not exhibit structural failures. •Distresses will initiate at the surface, typically in the form of rutting or cracking. •Surface distresses can be removed/ repaired relatively easily, •Before causing structural damage, •Leaving most of pavement in place,

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