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bitumen spray rate temperature correction

  • Colas - Application Temperatures

    Colas - Application Temperatures

    correction factor @ application temperature Typical density . Temperature/volume correction factor @ application temperature Typical density . Note: Typical densities @ 20°C and application temperatures and cutback bitumen are based on the Shell Bitumen Handbook data.

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  • 407 Tack Coat - Ohio Department of Transportation

    407 Tack Coat - Ohio Department of Transportation

    407 Tack Coat Description (407.01) Tack coat is an application of liquid asphalt material on an existing pavement surface that provides a bond with a new asphalt pavement. The bonding of pavement courses together creates a monolithic structure. The entire pavement structure is needed to resist shear and tensile stresses caused by traffic.

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  • SUMMARY REPORT ON TRIALS OF BITUMEN SPRAY SEALS .

    SUMMARY REPORT ON TRIALS OF BITUMEN SPRAY SEALS .

    SUMMARY REPORT ON TRIALS OF BITUMEN SPRAY SEALS ON BTB AT NANANGO Field Report No.: 12 Date: April, 1999 . • Aggregate spread rate of 120 • Bitumen application rate of 1.25 11m2 of C170 • The seal design is based on: . -The 10-mm has used for the reseals and over the asphalt correction course while 14-mm was used on the BTB. Perhaps .

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  • how to apply a tack coat - Home | For Construction Pros

    how to apply a tack coat - Home | For Construction Pros

    Jul 16, 2014 · Home Asphalt How to Apply Tack Coat . the application rate from the distributor spray bar and the residual rate on the pavement surface will be exactly the same. . Asphalt Application Temperature.

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  • Standard Specification for Airport Construction Part7

    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 . The distributor shall be self–powered and shall be equipped with a power unit for the pump and full circulation spray bars adjustable laterally . add a provision requiring volume correction in

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  • FHWA Cooperative Agreement Subtask - Asphalt Pavement

    FHWA Cooperative Agreement Subtask - Asphalt Pavement

    Temperature is important in determining accurate volumetric calculated rates. Higher than 60 °F, need to spray more emulsion. Lower than 60°F, need to spray less emulsion. Uniform application spreads in distributing tack on the surface of the road. Samples of emulsion from the spray bar are only good for estimating dilution rates and

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  • Table 18. Temperature -Volume Conversion Data for .

    Table 18. Temperature -Volume Conversion Data for .

    Temperature -Volume Conversion Data for Bituminous Materials. Calibrate the Asphalt Metering Pump . TEMPERATURE-VOLUME CONVERSION. DATA FOR BITUMINOUS MATERIALS. Refer to Step 10. Once the temperature factor is obtained from Table 18, it is multiplied by the. specific gravity of the asphalt cement. The result . asphalt being used will weigh .

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  • An Analysis of Two Leading Chip Seal Design Methods

    An Analysis of Two Leading Chip Seal Design Methods

    An Analysis of Two Leading Chip Seal Design Methods Anthony Lord Colorado State University Fort Collins, Colorado . Traffic correction factor is based on over 1000 vehicles per day. . psy Asphalt Spray Rate, gsy Limestone 10.97 0.20 Granite 15.55 0.26 Basalt 14.45 0.20

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  • Asphalt Paving Operation - Purdue Engineering

    Asphalt Paving Operation - Purdue Engineering

    Placing Asphalt Pavement. Placing the Coat . Before the paving operation starts, an asphalt distributor is used to spray asphalt on the unpaved surface. This film of asphalt serves as the prime and tact coats. The coats are then allowed to cure before the actual paving resume.

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  • Bituminous Surface Treatments - Pavement Interactive

    Bituminous Surface Treatments - Pavement Interactive

    Jul 19, 2011 · Bituminous surface treatments (BST) refer to a range of techniques that can be used to create a stand-alone drivable surface on a low volume road, or rehabilitate an existing pavement. Usually, the term is used to describe a seal coat or chip seal, which is constructed by spraying a layer of emulsified asphalt, and placing a layer of aggregate .

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  • R106 Sprayed Bituminous Surfacing (With Cutback Bitumen)

    R106 Sprayed Bituminous Surfacing (With Cutback Bitumen)

    It should be noted that the cutter chart (RMS Form 382 - for cutting back the bitumen to the acceptable viscosity for spraying) is only applicable for Class 170 and Multigrade 600/170 bitumen. The aggregate spread rate must be determined using a 1 m

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  • Chip Seal Guide - Modified Asphalt

    Chip Seal Guide - Modified Asphalt

    Why Are we here today?! Surveys of Agencies tell us that we have . room for improvement! Chip seal is the single most cost-effective treatment available to our industry

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  • Bitumen Rubber Chip and Spray Seals in South Africa

    Bitumen Rubber Chip and Spray Seals in South Africa

    BITUMEN RUBBER CHIP AND SPRAY SEALS IN SOUTH AFRICA . P Hoffmann* and CJ Potgieter** . temperature, the bitumen enters the liquid phase where volatiles are lost with evaporation . The B-R binder spray rate was 2,4 to 2,7 ℓ/m2. It is standard practice in South Africa to fill the SAMI voids in between the aggregate

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  • Notes for resealing TNZ P/4 - Land Transport New Zealand

    Notes for resealing TNZ P/4 - Land Transport New Zealand

    emulsion application rate is about 1.0 litres per square metre compared with an equivalent asphaltic binder residual rate of 0.55 litres per square metre plus small diluent allowance. Bitumen distributors are only calibrated for total hot spray rates of 0.8 litres per square metre or more and would require greater travel speed than the calibrated

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  • Category:408 Prime Coat - Engineering Policy Guide

    Category:408 Prime Coat - Engineering Policy Guide

    The application temperature (rounded to the nearest 5°F) is found in Table 24b of ASTM D1250 and the corresponding correction factor is multiplied by the total gallons of bituminous material used. Assume that the specific gravity of the material is above 0.966. The quantity will .

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  • Calculators - HG Meigs LLC

    Calculators - HG Meigs LLC

    H.G. Meigs, LLC for 70 years has been a midwest supplier of bituminous products including Asphalt Cements to Asphalt Cutbacks and Asphalt Emulsions. We also have our own dedicated truck fleet with distributor trucks available for customer emulsion applications. Explore our .

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  • EMULSION BASICS - Homepage - The National Center for .

    EMULSION BASICS - Homepage - The National Center for .

    • DO store at the temperature specified for the particular grade and application. • DO NOT permit the asphalt emulsion to be heated above 185ºF. Elevated temperatures evaporate water, changing the characteristics of the asphalt emulsion. • DO NOT let the emulsion freeze. This breaks the emulsion, separating the asphalt from the water.

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  • Meets the requirements of ASTM D 41, Type II PRFeatures .

    Meets the requirements of ASTM D 41, Type II PRFeatures .

    Spray Brush • Apply between 40° and 100° F (4° and 38° C) . Temperature Range 60°F to 80°F (16°C to 27°C) - Protect from freezing . asphalt or cold adhesives in BUR, SBS and APP modified bitumen roofing systems. Do not use Asphalt Primer as a finish coat on roofs.

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  • Transport and Main Roads Specifications MRTS11 Sprayed .

    Transport and Main Roads Specifications MRTS11 Sprayed .

    The spray rate of bituminous material actually achieved during the surfacing operation . Actual Spread Rate ; The spread rate of cover aggregate or prime cover material actually achieved during the surfacing operation . Additive ; Cutter oil, flux oil and/or adhesion agent . Adjusted Designed Spray Rate ; The spray rate of bituminous binder as .

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  • R106 Sprayed Bituminous Surfacing (With Cutback Bitumen)

    R106 Sprayed Bituminous Surfacing (With Cutback Bitumen)

    It should be noted that the cutter chart (RMS Form 382 - for cutting back the bitumen to the acceptable viscosity for spraying) is only applicable for Class 170 and Multigrade 600/170 bitumen. The aggregate spread rate must be determined using a 1 m

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  • CHAPTER Chipseal Construction ELEVEN Practices

    CHAPTER Chipseal Construction ELEVEN Practices

    Previous page: In the 1920s, hand spraying was the norm and application rates for bitumen and chip were less accurate than are expected and achieved today. Rules for no smoking and wearing protective clothing . Technix Group Ltd. 11 Chapter 11 Chipseal Construction Practices 11.1 Preparation before Sealing Day . 11.3.6 Binder Spray Temperature

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  • Cutback Bitumen Prime and Primerseal Daily Record

    Cutback Bitumen Prime and Primerseal Daily Record

    the required rate of application of hot cutback bitumen, or primer or primerbinder by reference to the Spraying Table which is kept in the sprayer cabin. Record these in lines 24 and 25. Cutback Bitumen Prime and Primerseal Daily Record Form 500A

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  • Bitumen Spray Seal or 2 Coat Seal - STATEWIDE BITUMEN

    Bitumen Spray Seal or 2 Coat Seal - STATEWIDE BITUMEN

    A Bitumen Spray-Seal: is a combination of sprayed bitumen that waterproofs the road - driveway or carpark followed by a wear coat of aggregate. Different aggregate sizes are selected depending on the intended use of the surface Each of the 2 coats of bitumen and 2 coats of aggregate are laid at different rates specified by the contractor or engineer to meet the correct requirements.

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  • Standard Specification for Airport Construction Part7

    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 . The distributor shall be self–powered and shall be equipped with a power unit for the pump and full circulation spray bars adjustable laterally . add a provision requiring volume correction in

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  • Prime and Tack Coat 04-27-06 - Hawaii Asphalt Paving .

    Prime and Tack Coat 04-27-06 - Hawaii Asphalt Paving .

    applicability and benefits of prime and tack coat, prime and tack coat effectiveness, materials used and when and where they are used. CFLHD's current construction specifications were compared with best practices determined from the literature and phone surveys of .

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  • 4-fogseal 020206.qxd 6/14/2006 10:26 AM Page 1 Pavement .

    4-fogseal 020206.qxd 6/14/2006 10:26 AM Page 1 Pavement .

    Asphalt emulsion selection: type and dilution rate. The emulsion is from an approved source (if required). The emulsion is sampled and submitted for testing (if required). The water to be used is compatible with the emulsion. The emulsion temperature is within application temperature specifications.

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  • Seal Coat and Surface Treatment Manual: Asphalt Distributor

    Seal Coat and Surface Treatment Manual: Asphalt Distributor

    Section 3: Asphalt Distributor Anchor: #i1007564 . Asphalt temperature is a critical factor in the success of a seal coat/surface treatment. To maintain a constant temperature, a proper heating system is necessary. . If a variable spray rate is to be used, the nozzles should be checked to see that they are the proper size and in the correct .

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  • APPENDIX 1 - ctqpflorida

    APPENDIX 1 - ctqpflorida

    Tack Coat Spread Rate: A typical distributor calibration chart, the table for temperature correction for emulsified asphalts, the and table for temperature correction for asphalt cement tack are found at the back of odule 3 of this manual.M . Using the charts - The temperature correction chart is a simple chart that has columns for temperature

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  • Factors Affecting Compaction of Asphalt Pavements

    Factors Affecting Compaction of Asphalt Pavements

    4 Transportation Research Circular E-C105: Factors Affecting Compaction of Asphalt Pavements means that to achieve a desired level of fluidity behind the paver unaged asphalts with similar initial rheology may have to be heated to different temperatures. Moreover, volatile emissions

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  • Sanral Consultants perspective - nra

    Sanral Consultants perspective - nra

    bitumen binder • Fog Spray = 1,0 l/m3 33 emulsion . •Use recommended spray rate most of the time 12. Apply all information and designs to determine actual spray application for a specific section of road taking into account:-•Minimum and maximum spray rates . •Temperature

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