Section Asphalt Emulsion Definitions

  • Asphalt concrete - Wikipedia

    Asphalt concrete (commonly called asphalt, blacktop, or pavement in North America, and tarmac, bitumen macadam, or rolled asphalt in the United Kingdom and the Republic of Ireland) is a composite material commonly used to surface roads, parking lots, airports, as well as …

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  • EMULSION BASICS - The National Center for Pavement ...

    slowly to the asphalt emulsion. Never add the asphalt emulsion to a tank of water when diluting. • DO NOT re-circulate emulsified asphalts for too many cycles. They tend to lose viscosity when subjected to excessive pumping. Also, air bubbles may become entrained which would render the emulsion unstable.

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    Performance ASPHALT EMULSION THEORY AEMA Guidelines Rev. 1 Mar 2004 2-1 SECTION 2 ASPHALT EMULSION THEORY 2.1 Overview Asphalt emulsions, used in road construction and maintenance, may be defined as a homogeneous mixture of minute asphalt droplets suspended in a continuous water phase. These types of emulsions are usually termed oil-in- water ...

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  • Coal Tar Sealer vs. Asphalt Emulsion Sealer. What's the ...

    Mar 24, 2018· Asphalt emulsions do not produce any irritating odors once dry. So Why do So Many Contractors Still Use Coal Tar? Because coal tar is an extremely easy and forgiving product to use. Since coal tar does not have as high of a solid content as asphalt emulsion, coal tar does not clog tanks and spray systems nearly as much as asphalt emulsion does.

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  • Section 427 Emulsified Asphalt Slurry Seal

    Section 427—Emulsified Asphalt Slurry Seal Page 3 427.2.01 Delivery, Storage, and Handling A. Transporting and Storing Asphalt Emulsions Transport asphalt emulsions using containers free of foreign material. Asphalt emulsion will not be accepted if …

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  • Asphalt Emulsions 101 | Asphalt magazine

    Emulsions are very common materials; ice cream is an example. An asphalt emulsion consists of three basic components, asphalt, water and an emulsifying agent. An asphalt emulsion is a stable dispersion of asphalt cement droplets in water, which can be pumped, stored and mixed with aggregates.

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  • 02510 - Asphalt Concrete Pavement and Base -

    Asphalt Concrete Pavement and Base SECTION 02510 – ASPHALT CONCRETE PAVEMENT AND BASE PART 1 -- GENERAL ... The following definitions apply to the Work of this section: 1. Asphalt Concrete: “Asphalt Concrete” as used by Caltrans shall be considered the ... A seal coat, double type, consisting of an application of asphalt emulsion followed ...

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    in Asphalt Emulsion Prime (AEP) treatments. 10.2 Description 10.2.1 Definitions Asphalt emulsion priming consists of an application of low viscosity asphalt emulsion to an absorbent surface or gr anular base, in preparation fo r an asphalt surface course. 10.2.2 Functions of …

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  • Emulsion Mix Design Methods: An Overview

    Emulsion Mix Design Methods: An Overview H. FRED WALLER, JR. A general overview is presented of several methods of emulsion mix design cur­ rently being used either experimentally or on an operating basis. Most of the methods make use of either Hveem or Marshall equipment for molding and test­ ing specimens of the mixture.

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    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

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    SECTION 02505 EMULSIFIED ASPHALT SLURRY SEAL PART 1 GENERAL 1.01 SECTION INCLUDES A. This is a material specification and application specification for emulsified asphalt slurry seal. ... 1.03 DEFINITIONS A. The slurry seal shall consist of a mixture of an approved emulsified asphalt, mineral aggregate, ... amount and type of asphalt emulsion ...

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  • Emulsified Asphalt - Pavement Interactive

    Emulsified asphalt is simply a suspension of small asphalt cement globules in water, which is assisted by an emulsifying agent (such as soap). The emulsifying agent assists by imparting an electrical charge to the surface of the asphalt cement globules so that they do not coalesce (Roberts et al., 1996 [1]).Emulsions are used because they effectively reduce asphalt viscosity for lower ...

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    PAGE 1 OF 9 MATERIAL SAFETY DATA SHEET MSDS: 951 Asphalt Emulsions REVISION: 1 REVISION DATE: 09/03/09 SECTION 1: PRODUCT AND COMPANY IDENTIFICATION PRODUCT NAME: Asphalt Emulsions, All Grades SYNONYMS: Asphalt Emulsions (all grades), Emulsified Asphalts (all grades), Cationic Emulsified Asphalt (all grades)

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  • Georgia DOT Asphalt Pavement Selection Guidelines

    Georgia DOT Asphalt Pavement Selection Guidelines Office of Materials and Research 15 Kennedy Drive ... PG64-22 and cationic asphalt emulsion, grade CRS-2h. ... Specifications for cationic asphalt emulsions are located in Section 824 of the GDOT Specifications.

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  • Asphalt concrete - Wikipedia

    Asphalt concrete is recyclable and is the most widely reused construction material in the world. Very little asphalt concrete — less than 1 percent, according to a survey by the Federal Highway Administration and the National Asphalt Pavement Association conducted annually since 2009 — is actually disposed of in landfills.

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  • What does asphalt emulsion mean? -

    Definition of asphalt emulsion in the dictionary. Meaning of asphalt emulsion. What does asphalt emulsion mean? Information and translations of asphalt emulsion in the most comprehensive dictionary definitions resource on the web.

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    Standard Construction Specifications Division 40 – Asphalt Surfacing Revised 11/08 SECTION 40.02 SEAL COAT Article 2.1 Description The Work under this Section consists of the performance of all Work required for the construction of a seal coat of asphalt cement and cover aggregate on RAP, strip-paved, and gravel surfaces. Article 2.2 Asphalt

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    SECTION M HOT MIX ASPHALT M.2 DEFINITIONS (cont’d) Asphalt Regulating Course Asphalt regulating course is an asphalt course of variable thickness applied to the road surface to adjust the shape prior to surfacing or re-surfacing. Asphalt Wearing Course Asphalt wearing course is that part of the pavement upon which the traffic travels. Binder

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  • Division 9 Materials - Washington State Department of ...

    Division 9 Materials 9-00 Definitions and Tests 9-00.1Fracture “Fractured aggregate is defined as an angular, rough, or broken surface of an aggregate ... that meet the requirements of Section 9-01 shall be valid for 60 days from the date of ... into the asphalt or emulsion during the manufacturing of the emulsified asphalt. CRS-2P

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  • Asphalt Emulsions 101 Introduction - University of Idaho

    Asphalt Emulsions –A History • First developed in the early 1900s • Early use in spray applications + dust palliatives • Growth use relatively slow: • Limited by the type of available emulsions • General lack of knowledge • Steady rise in volume since the 1970’s Why Use Asphalt Emulsions? • No petroleum solvent required to liquefy

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  • Section 413 Bituminous Tack Coat

    Section 109—Measurement and Payment Section 400—Hot Mix Asphaltic Concrete Construction Section 424—Bituminous Surface Treatment Section 427—Emulsified Asphalt Slurry Seal Section 820—Asphalt Cement Section 824—Cationic Asphalt Emulsion B. Referenced Documents General Provisions 101 through 150. 413.1.03 Submittals

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  • Slurry Seal Treatment Types -

    A slurry seal is the application of a mixture of water, asphalt emulsion, aggregate (very small crushed rock), and additives to an existing asphalt pavement surface. A slurry seal is similar to a fog seal except the slurry seal has aggregates as part of the mixture. This combined mixture of the emulsion and aggregates represents “slurry.”

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  • Subpart A—Asphalt Emulsion Subcategory

    the asphalt emulsion subcategory. The provisions of this subpart are ap-plicable to discharges resulting from the production of asphalt paving and roofing emulsions. §443.11 Specialized definitions. For the purpose of this subpart: (a) Except as provided below, the gen-eral definitions, abbreviations and methods of analysis set forth in part

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  • Asphalt Emulsion - 17 -

    Asphalt Emulsion - 17 ... T 40 Method of Sampling Bituminous Materials R 18 AASHTO Accreditation Program 1.3 ASTM Standards: D 8 Definitions of Terms Relating to ... as one who produces the final product or who makes the blend or modification that alters the properties of the emulsion specified in Section 702 of the Standard Specifications and ...

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  • Glossary of Asphalt Paving Terms - ACPLM Tampa Paving ...

    Asphalt mix in which the largest stone utilized is not larger than an eighth of an inch. Surfaces mixes are typically laid at a depth of at least a full inch compacted. Tack Coat. Asphalt oil, commonly emulsion type, applied to the current pavement during overlay paving or repairs to form a bond between the old asphalt and the new asphalt. Tracking

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    Performance ASPHALT EMULSION DEFINITIONS AEMA Guidelines Rev. 1 Mar 2004 23-1 SECTION 23 ASPHALT EMULSION DEFINITIONS Anionic (Anion) — A negatively charged ion in a solu tion; that port ion of a compound which when dissolved (usually in …

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    .....3-1 Section 4: Single and Multiple Chip Seals Using Asphalt Emulsions .....4-1 Section 5: Sandwich Seals Using Asphalt Emulsions

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  • Basics of Asphalt Emulsions - Asphalt Emulsion ...

    Asphalt emulsion is a combination of three basic ingredients, asphalt, water, and small amount of an emulsifying agent. In the same process, these components are introduced into a mechanism known as a colloid mill, which shears the asphalt into tiny droplets. The emulsifier, which is a surface-active agent, keeps the asphalt droplets in a ...

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  • Definition and Properties of Emulsified Asphalt

    Definition: A mixture of asphalt cement, water and emulsifying agent (free flowing liquid at ordinary temperature). These three constituents are fed simultaneously into a colloid to produce extremely small globules (5-10µ) of asphalt cement, which are suspended in water.The emulsion contain about 50% - …

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  • Section 310 Graded Aggregate Construction

    310.1.01 Definitions General Provisions 101 through 150. 310.1.02 Related References A. Standard Specifications Section 105—Control of Work Section 300—General Specifications for Base and Subbase Courses Section 412—Bituminous Prime Section 815—Graded Aggregate Section 821—Cutback Asphalt Section 823—Cutback Asphalt Emulsion

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