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Prime Coat Methods and Materials to Replace Cutback Asphalt

Prime Coat Methods and Materials to Replace Cutback Asphalt

Prime Coat Methods and Materials to Replace Cutback Asphalt

PRIME COAT METHODS AND MATERIALS TO REPLACE CUTBACK ASPHALT ~po e November 1994 7. Author(s) Christian A. Mantilla and Joe W. Button . er ormmg rgamza ion ame an ress Texas Transportation Institute The Texas AM University System College Station, Texas 77843-3135 . ponsonng gency ame an ress Texas Department of Transportation

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Prime coat methods and materials to replace cutback asphalt

Prime coat methods and materials to replace cutback asphalt. A prime coat is the application of a suitable bituminous binder applied to a non-bituminous granular base as a preliminary treatment before the application of a bituminous surfacing. The purpose of this research is to establish practical applications of successful prime coats to ...

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PRIME COAT METHODS AND MATERIALS TO REPLACE CUTBACK ...

PRIME COAT METHODS AND MATERIALS TO REPLACE CUTBACK ASPHALT. FINAL REPORT. A prime coat is the application of a suitable bituminous binder applied to a non-bituminous granular base as a preliminary treatment before the application of a bituminous surfacing.

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NDDOT Construction Conference Prime Coat Feb. 28, 2018

Objective of Prime Coat Materials and Methods ... Cure Time: The solvent in a MC Cutback Asphalt is typically diesel, kerosene or combination product in the same viscosity range as these “heavier” fuels. Therefore curing, the evaporation of the cutter/solvent, is time and

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Use of Prime Coat - vaasphalt

Provide adhesion between the base course and succeeding asphalt course. What asphalt materials should be used for prime coats? For a prime coat to be effective it must be able to penetrate into the base course. Typically a light grade of medium curing cutback such as an MC-30 or MC-70 will work well. However, these are cutback asphalts (asphalt ...

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Use of Prime Coat – Asphalt Pavement Association of New Mexico

Provide adhesion between the base course and succeeding asphalt course. What asphalt materials should be used for prime coats? For a prime coat to be effective it must be able to penetrate into the base course. Typically a light grade of medium curing cutback such as an MC-30 or MC-70 will work well. However, these are cutback asphalts (asphalt ...

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Prime Coat/Granular Sealing – McAsphalt

Prime Coat/Granular Sealing. A prime coat is a single application of either a specially formulated asphalt emulsion or a low-viscosity asphalt cutback. Their primary functions are to penetrate quickly into the granular surface and bind the material together, to partially waterproof the granular surface to prevent water erosion, to provide a ...

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DIVISION 5 - ASPHALT PRODUCTS AND PAVEMENTS

Spraying temperatures for Prime Coat shall comply with Table 1. Spraying temperatures for cut-back asphalt cement with kerosene contents differing from those listed shall be obtained by interpolation. TABLE 1 Spraying Temperatures (Prime Coat) TYPE OF MATERIAL SPRAYING TEMPERATURE RANGE Cutback, 50 pph kerosene (MC-70 grade cutback) 70 + 100 C

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PART VII – MISCELLANEOUS ITEM P-602 BITUMINOUS

602-4.1 The bituminous material for prime coat shall be measured by the [gallon (liter)][ton(kg)] . Volume shall be corrected to the volume at 60°F (15°C) in accordance with ASTM D 1250 for cutback asphalt, and Table IV-3 of The Asphalt Institute's Manual MS-6 for emulsified asphalt

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RULE 1103 Cutback and Emulsified Asphalt

following uses of medium cure cutback asphalt and slow cure cutback asphalt which contains more than 0.5 percent by volume of VOC: (a) As a penetrating prime coat for aggregate bases prior to paving; ASTM test methods are generally not available on the Internet. They may be purchased from this site.

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Standard Specification for Airport Construction Part7

1 The maximum temperature for cutback asphalt shall be that at which fogging occurs. The FAA allows use of materials listed in Table 1. Highways recommends Type SS–1 or SS1h. If cutbacks are specified in the Special Provisions, their use is limited. Prime coats are only applied to untreated aggregate base prior to placing bituminous concrete.

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SECTION 10 ASPHALT EMULSION PRIME (AEP)

Performance ASPHALT EMULSION PRIME (AEP) AEMA Guidelines Rev. 1 Mar 2004 10-4 10.7 Precautions and Protection of Work • AEP shall not be applied when the ambient temperature is below 10° C (50° F), or when rain is imminent. • AEP may be harmful to growing plants, since like any other oil, it seals pores and interferes with intake of carbon dioxide. Reasonable care shoul d be taken to p

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Prime Coat and Tack Coat - Civil Engineering Tips

Nov 07, 2010  1. The prime coat shall consist of medium curing cutback bitumen (25 – 45 percent) or MC30. 2. The Blotting material shall be crushed rock or river sand having grading limit of specified in contract specification. Tack Coat. 3. The Tack coat shall consist of medium curing cutback bitumen (10- 20 present) or CRS 1h.

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Earthbind® Prime for Bituminous Paving Construction ...

Apr 03, 2020  Mantilla, C., and J.W. Button, “Prime Coat Methods and Materials to Replace Cutback Asphalt,” Report 1334-1F, Texas Transportation Institute, Texas AM University, College Station, Texas, 1994. NITRR, Technical Recommendations for Highways (TRH 1), National Institute for Transport and Road Research, Council for Scientific and Industrial ...

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Guidelines for Prime Coat Usage on Low-Volume Roads ...

Jan 01, 2005  Mantilla, C. A. , and Button, J. W. Prime Coat Methods and Materials to Replace Cutback Asphalt. Research Report TTI 0-1334. Texas Transportation Institute, Texas A M University, College Station, 1994. Google Scholar

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Category:408 Prime Coat - Engineering_Policy_Guide

The prime has cured when it has hardened and penetrated into the base course to the extent that it cannot be picked up. 408.1.5 Method of Measurement (Sec 408.5) If the prime coat consists of a cutback (Type RC or MC liquid asphalt), the quantity to be paid for will be determined in accordance with Standard Specification Section 1015.7.1. The ...

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PRIME COAT AND TACK COAT AND THEIR PURPOSE IN ROAD ...

Sep 25, 2017  However excess Prime Coat, particularly if it has formed a pond, can result in ineffective bonding between CABC and Asphalt Course and even alter the properties of Asphalt

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Cutback asphalt Article about cutback asphalt by The ...

1) The Asphalt Institute describes a prime coat as "a spray application of a medium curing cutback asphalt or emulsified asphalt applied to an untreated base course". Prime Coat Methods and Materials to Replace Cutback Asphalt .

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[PDF] Effective Prime Coats for Compacted Pavement Bases ...

Prime coats have long been used to seal the surface pores in the base, thus reducing the migration of moisture and absorption of the first application of surface treatment binder, strengthen the granular base near its surface by binding the finer particles of aggregate, help protect the base from inclement weather and limited vehicular traffic before the next pavement layer is constructed, and ...

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Cutback and Emulsified Asphalt PDF - Maricopa County, AZ

208 MEDIUM CURE CUTBACK ASPHALT 209 PENETRATING PRIME COAT 210 RAPID CURE CUTBACK ASPHALT 211 SOLVENT-VOC 212 TACK COAT 213 TAR SECTION 300 – STANDARDS 301 LIMITATIONS ... American Society for Testing and Materials (ASTM) Method D 402-76. For the purposes of this rule, the end point of the distillation shall be at 500°F (260°C).

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DIVISION 5 - ASPHALT PRODUCTS AND PAVEMENTS

Spraying temperatures for Prime Coat shall comply with Table 1. Spraying temperatures for cut-back asphalt cement with kerosene contents differing from those listed shall be obtained by interpolation. TABLE 1 Spraying Temperatures (Prime Coat) TYPE OF MATERIAL SPRAYING TEMPERATURE RANGE Cutback, 50 pph kerosene (MC-70 grade cutback) 70 + 100 C

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SECTION 10 ASPHALT EMULSION PRIME (AEP)

Performance ASPHALT EMULSION PRIME (AEP) AEMA Guidelines Rev. 1 Mar 2004 10-4 10.7 Precautions and Protection of Work • AEP shall not be applied when the ambient temperature is below 10° C (50° F), or when rain is imminent. • AEP may be harmful to growing plants, since like any other oil, it seals pores and interferes with intake of carbon dioxide. Reasonable care shoul d be taken to p

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UFGS 32 12 13 Bituminous Tack and Prime Coats

2.1 PRIME COAT 2.1.1 Cutback Asphalt 2.1.2 Emulsified Asphalt 2.2 TACK COAT 2.2.1 Asphalt Cement 2.2.2 Cutback Asphalt 2.2.3 Emulsified Asphalt 2.2.4 Local/Regional Materials PART 3 EXECUTION 3.1 PREPARATION OF SURFACE 3.2 APPLICATION RATE 3.2.1 Tack Coat 3.2.2 Prime Coat 3.3 APPLICATION TEMPERATURE 3.3.1 Viscosity Relationship

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[PDF] Effective Prime Coats for Compacted Pavement Bases ...

Prime coats have long been used to seal the surface pores in the base, thus reducing the migration of moisture and absorption of the first application of surface treatment binder, strengthen the granular base near its surface by binding the finer particles of aggregate, help protect the base from inclement weather and limited vehicular traffic before the next pavement layer is constructed, and ...

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Asphalt Maintenance and Rehabilitation - Asphalt Institute

Second: If the granular base material has a gradation that is somewhat porous, placing a prime coat can often be affected by placing a slow-setting emulsion (SS-1, SS-1 h, CSS-1, CSS-1 h) diluted 5 parts water to 1 part emulsion. By applying several (4 or 5) light applications (0.10 gal/sy), a waterproof surface can be obtained on the base course.

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RULE 410.5 Cutback, Slow Cure, and Emulsified Asphalt ...

prime coat, tack coat, dust palliative, or other paving and maintenance operations: 1. Rapid cure cutback asphalt; 2. Medium cure cutback asphalt; 3. Slow cure asphalt which as produced for application, contains more than 0.5 percent of organic compounds which evaporate at

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610 - DOUBLE ASPHALT SURFACE TREATMENT SECTION

Apply the prime coat to asphalt surfaces immediately after final rolling and before any traffic has been allowed upon or when the surface has hardened and glazed so penetration of asphalt material is hindered. Using a distributor (see subsection 155.2), uniformly apply asphalt material at the rate shown in the Contract Documents.

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Definition of Medium Curing Cutback Asphalts Chegg

Medium curing (MC) cutback asphalts are defined as those asphalt grades, which are prepared by using the medium volatile kerosene as the prime coat with boiling point ranges (MC-30, 70, 250, 800, 3000). The mix is done in a cold manner. Cutback bitumen or asphalt is classified based on the curing as follows, 1) Slow, 2) medium and 3) rapid curing.

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OFFICIAL COMPILATION OF CODES, RULES AND

The dark brown to black cementitious material (solid, semisolid or liquid in consistency) of which the main constituents are bitumens which occur naturally or as a residue of petroleum refining. (b) Asphalt pavement. Pavement that is composed of stone, sand, and gravel bound together by asphalt. (c) Cutback asphalt. Any asphalt which has been ...

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DIVISION 32 – EXTERIOR IMPROVMENTS SECTION 32 12 16 ...

B. Cutback Prime Coat: Apply uniformly over surface of compacted unbound-aggregate base course at a rate of 0.15 to 0.50 gal./sq. yd. Apply enough material to penetrate and seal, but not flood, surface. Allow prime coat to cure. 1. If prime coat is not entirely absorbed within 24 hours after application, spread sand over

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US6764542B1 - Biodiesel cutback asphalt and asphalt ...

A cutback asphalt and an asphalt emulsion comprising biodiesel is disclosed. Cutback is mixed with a sufficient amount of biodiesel to reduce the viscosity of the asphalt, producing, e.g., a cold patch material which is free of added liquid petroleum. An asphalt emulsion of fine particles of asphalt, water and, preferably, an emulsifier, can be formed which is free of added liquid petroleum.

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TxDOT Specifications

May 03, 2002  312 - PRIME COAT (CUTBACK ASPHALTIC MATERIAL AND SAND) SPECIFICATION REQUIREMENTS 1) Limits, areas and/or locations must be shown on the plans. 2) Type and grade of cutback asphalt must be shown on the plans. 3) The rate of application can be shown on the plans or can be as directed by the Engineer. OPTIONAL REQUIREMENTS None

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Prime coats materials and methods - CORE

Prime coats materials and methods . ... A prime coat is the application of a suitable bituminous binder applied to a nonbituminous granular base as a preliminary treatment before the application of a bituminous surfacing. The purpose of this research is to establish practical applications of successful prime coats to replace cutback asphalt. An ...

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