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pennsylvania DATE - PennDOT Home

CHAPTER 4 PORTLAND CEMENT CONCRETE PAVEMENT GUIDELINES AND POLICIES Chapter 4 . ... • Incorporated Superpave 4.75 mm and 6.3 mm Wearing Course. ... 5.14 Stone Matrix Asphalt Wearing Course 5.13 • Bumped for inclusion of UTWC. [2]

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HMA Pavement - Pavement Interactive

This includes both open-graded friction course (OGFC) and asphalt treated permeable materials. Open-graded mixes are typically used as wearing courses (OGFC) or underlying drainage layers because of the special advantages offered by their porosity.

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CHAPTER 11 BONDED WEARING COURSE - Caltrans

CHAPTER 11 BONDED WEARING COURSE 11.1 OVERVIEW A bonded wearing course (BWC) is a gap or open graded, ultra thin hot-mix asphalt (HMA) mixture applied over a thick polymer modified asphalt emulsion membrane. The emulsion membrane seals the existing surface and produces high binder content at the interface of the existing roadway surface and

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Asphalt Pavement Thickness and Mix Design - Asphalt ...

We also recommend that you attend our Asphalt Academy courses at sites throughout the country to obtain expert instruction on asphalt topics. ... A few restrict its use in wearing courses; even fewer (one or two) do not allow its use at all. ... MS-2 Mix Design Methods for Asphalt Concrete …

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34553-03 Design Guide - pa-asphalt.org

HMA RESURFACING Resurfacing is the placing of one or more courses of HMA over an existing asphalt or concrete pavement. This is the means for extending the service life of pavements.

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Asphalt Wearing Course above Concrete Deck?? - Constructed ...

 · We have Project specifying asphalt wearing course 50mm thick average laid over concrete deck (350mm thick). Between the two there lies a 4mm thick torch applied waterproofing membrane. Now, when you apply the membrane to the concrete and lay hot-mix asphalt wearing course 50mm average thick, the follwoing problems are encountered, 1.

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DURABLE WEARING COURSE FOR BITUMINOUS …

DURABLE WEARING COURSE FOR BITUMINOUS PAVEMENTS ... Conventional bituminous concrete wearing course in the hot climate ... wearing course known as Rolled Asphalt (RA) with

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Aggregate performance-related properties for asphalt ...

properties of aggregates for asphalt concrete wearing courses INTRODUCTION The preservation of acceptable levels of surface friction represents one of the main factors warranting safety of vehicle movement. Among the requirements of stone aggregates used to produce asphalt mixes for

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Performance Evaluation of Thin Wearing Courses Through ...

Performance Evaluation of Thin Wearing Courses Through Scaled Accelerated Trafficking ... several thin asphalt concrete wearing courses using a scaled-down accelerated pavement testing device. The accelerated testing ... PERFORMANCE EVALUATION OF THIN WEARING COURSES THROUGH SCALED ACCELERATED TRAFFICKING Cristian Druta, Ph.D. ...

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Cost Comparison between Stone Mastic Asphalt and Asphalt ...

Asphalt concrete wearing course (ACW20): Asphalt Concrete Wearing Course (ACWC) is a continuously graded mixture with small maximum particle sizes. Its mixture of mineral aggregate, filler and bituminous binder forms an interlocking structure that contributes to …

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BULLETIN e.pa.us

BULLETIN 27 Bituminous Concrete Mixtures, Design Procedures, and Specifications for Special Bituminous Mixtures ... J Annual Asphalt Concrete Mix Design Submittal Procedure J-1 to J-8 . ii Change 5 ... Wearing Course . 422 Bituminous Wearing Course -FJ-1 and FJ-1C .

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PART V -- ASPHALTIC PAVEMENTS - Louisiana

asphaltic concrete wearing, binder and base course mixtures of the plant mix type. This work consists of furnishing and constructing one or more courses of asphaltic concrete mixture applied hot in conformance with these specifications and in conformity with the lines, grades, thicknesses and typical sections shown on the plans or established.

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Road Pavements – Bituminous Bound Materials

904 Asphalt Concrete Base Course (Designed) 8¶ 905 Asphalt Concrete Binder Course (Designed) 9¶ 906 Asphalt Concrete Wearing Course (Designed) 10¶ 907 Regulating Course 11¶ 908 Asphalt Concrete Combined Course "Base-Wearing" (Designed) 11¶ 910 Tolerances for the Assessment of Conformity 13¶ 911 Asphaltic Concrete Courses-

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Resistance to polishing and mechanical properties of ...

Resistance to polishing and mechanical properties of aggregates for asphalt concrete wearing courses. Massimo Losa. Download with Google Download with Facebook or download with email. Resistance to polishing and mechanical properties of aggregates for asphalt concrete wearing courses.

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Pavement Design - Thickness Design - Durham University

There are three possibilities for the wearing course, Hot Rolled Asphalt (HRA), Porous Asphalt (PA) or concrete. The use of concrete has been described above should be used as described. Hot Rolled Asphalt (HRA) is a gap graded material with a high binder concentration (50 Penetration).

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Las Vegas contractor enters into Ultra Thin Asphalt ...

In a bonded wearing course like those specified by Caltrans, the polymer modified asphalt emulsion membrane seals the existing pavement while bonding the gap-graded or open-graded mix to the surface.

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Pavingexpert - AJ McCormack and Son - Tarmacadam, Bitmac ...

Tarmacadam, Bitmac & Asphalt ... although we are not overly keen on using bitmac for garden paths. The wearing/surface course (the uppermost surface) can be 'coloured' by using a coloured binder, often with coloured aggregates, ... a wearing/surface course may be laid over an existing bitmac or concrete surface. This is known as an "Overlay".

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Selecting the Proper Asphalt ODOT Pavement Design …

441,Asphalt Concrete Intermediate Course, Type 2, (446/8) 442,Asphalt Concrete Intermediate Course, 19 mm Type A or B, (446/8) Base Course Mixes 301,Asphalt Concrete Base 302,Asphalt Concrete Base *(we'll discuss binder grade options later) Mixtures for High Stress Pavement Applications Item Description Type 442 (446/8) Superpave (type A) 12 ...

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Pavements and Surface Materials n.edu

Asphalt can be mixed with cork, sponge or rubber to create more resilient surfaces or with crushed stone to produce a hard or more porous surface. Asphalt pavement is composed of the following two layers, the wearing course and the base course: The Wearing Course transfers and distributes traffic loads to the base course.

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EVALUATION OF LIMESTONE COARSE AGGREGATE IN …

asphalt concrete wearing courses because of suspected polish susceptibil ity. The AHD uses sil iceous aggregates (primarily gravel) as coarse aggregate which sometime have to be hauled considerable distances. The objective of thi s research was to determi ne if 1 imestone coarse

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Hot Mix Asphalt Concrete Density, Bulk Specific Gravity ...

Hot Mix Asphalt Concrete Density, Bulk Specific Gravity, and Permeability John P. Zaniewski, Ph.D. Yu Yan Asphalt Technology Program Department of Civil and Environmental Engineering Morgantown, West ia 2/1/2013

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Chapter 11 Bonded Wearing Course

Chapter 11 Bonded Wearing Course ... Hot Mix Asphalt Overlay placed over a polymer modified emulsion membrane which: ... zAsphalt Concrete Tons

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Minnesota LTAP | Topics: Hot Mix Asphalt Glossary of ...

Non-Wearing Course (NW) Non-wearing course is typically the bituminous mixture below the wearing course or driving surface. Non-wear mixtures include base, level and binder courses. In Superpave (Gyrarory) design, non-wearing course is defined as mixture below the top four inches of pavement.

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Performance Evaluation of Thin Wearing Courses Through ...

Performance Evaluation of Thin Wearing Courses Through Scaled Accelerated Trafficking ... several thin asphalt concrete wearing courses using a scaled-down accelerated pavement testing device. The accelerated testing ... PERFORMANCE EVALUATION OF THIN WEARING COURSES THROUGH SCALED ACCELERATED TRAFFICKING Cristian Druta, Ph.D. ...

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Asphalt concrete - Wikipedia

Asphalt concrete (commonly called ... which is designed to ensure a very strong wearing surface, or porous asphalt pavements, which are permeable and allow water to drain through the pavement for controlling ... and the performance requirements of the friction course. Asphalt concrete generates less roadway noise than a Portland ...

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Selecting the Proper Asphalt ODOT Pavement Design …

441,Asphalt Concrete Intermediate Course, Type 2, (446/8) 442,Asphalt Concrete Intermediate Course, 19 mm Type A or B, (446/8) Base Course Mixes 301,Asphalt Concrete Base 302,Asphalt Concrete Base *(we'll discuss binder grade options later) Mixtures for High Stress Pavement Applications Item Description Type 442 (446/8) Superpave (type A) 12 ...

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DEFORMATIONS IN ASPHALT CONCRETE WEARING COURSES CAUSED …

DEFORMATIONS IN ASPHALT CONCRETE WEARING COURSES CAUSED BY TRAFFIC. The transient and permanent deformations caused in dense-graded asphalt concrete wearing courses by traffic loads have been measured and are discussed in this paper.

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Wearing Course in the Bridge Decks: Subject-Matter and Types

The wearing course is provided over the bridge decks to serve the following purposes: i) To protect the structural concrete of the bridge deck from the damage caused by the moving vehicles or by rain water.

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Asphalt binder course | Article about asphalt binder ...

14 (E = 643 MPa; where asphalt wearing course is from AC 11 VS with the of granite aggregates, asphalt binder course is from AC 16 AS with the 50% of the fraction 8/11 and 11/16 of granite rubble and 50% of fraction 0/8 of crushed gravel aggregate mixture, asphalt base course is from AC 32 PS with the of dolomite aggregates).

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Asphalt wearing course optimization for road traffic noise ...

Asphalt wearing course optimization for road traffic noise reduction. ... This paper presents research of commonly used asphalt concrete (AC), stone mastic asphalt (SMA), porous asphalt (PA) and a concept of noise reducing asphalt mixtures. ... the shorter lifetime leading to 50% higher life-cycle costs than traditional dense asphalt concrete ...

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Introduction to Asphalt Pavement Design and Specifications

Introduction to Asphalt Pavement Design and Specifications . Ensuring Good Performance in Flexible Pavement Design and Construction: ... 448, Asphalt Concrete Surface Course, Type 1, medium traffic, PG 64-22. Performance Graded binders •originated from SHRP research

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Investigation of Bond Strength and Watertightness of ...

Two different asphalt concrete systems were examined in this research study. The existing system, consistent with current timber bridge construction practice, uses a preformed waterproofing membrane placed on a preservative treated wood deck overlaid with a bituminous concrete wearing surface.

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Fiber Reinforced Asphalt Concrete Pavements - City of …

Fiber Reinforced Asphalt Concrete Pavements - City of Tacoma ... Subject: Asphalt concrete, Asphalt pavements, Asphalt tests, Fiber reinforced concrete, Mix design, Polymer asphalt, Polyester resins, Wearing course (Pavements) ... fiber reinforced pavement, fiber reinforced ACP, fiber reinforced asphalt concrete pavement, polyester fibers ...

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