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Procedures for Sampling Asphalt Mixtures/Density Cores and ...

These procedures are used for sampling asphalt mixtures from the roadway prior to compaction, taking cores from the roadway to determine density, and to determine the locations for securing core samples for testing. The mixtures and core samples obtained from this procedure will be used for acceptance or rejection in accordance with applicable specifications. All sampling shall be Global ...

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SAMPLING HOT MIX ASPHALT (HMA) AFTER COMPACTION

WAQTC_TM11_12.docx Asphalt 20-1 Pub. October 2012 SAMPLING HOT MIX ASPHALT (HMA) AFTER COMPACTION (OBTAINING CORES) WAQTC TM 11 Scope This method describes the process for removal of a core sample of compacted hot mix asphalt (HMA) from a pavement for laboratory testing. Cores may range in diameter from 2 in. to 12 in. The values stated in SI units are to be

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Sampling Hot Mix Asphalt - Colorado Department of ...

Sampling Hot Mix Asphalt (This procedure is based upon AASHTO T 168-91. AASHTO T 168-91 or any subsequent revisions may not be used in place of this procedure.) 1. SCOPE 1.1 This procedure covers sampling of hot mix asphalt (HMA) at points of manufacture, storage, or delivery. 1.1.1 Samples obtained by this procedure may be used for acceptance and quality control of hot mix asphalt

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FIELD SAMPLING AND TESTING MANUAL TESTING PROCEDURES

NDDOT 5 Sampling and Splitting Field Verification Hot Mix Asphalt (HMA) Samples . NDDOT 6 Settlement Test f or Liquid Membrane Curing Compound _____ND T 2 _____ 3/13/2019 Revised ND T 2 Page 1 of 4 ND T 2 – SAMPLING OF AGGREGATES . SCOPE . This test defines the procedures used to obtain samples that will show the nature and condition of the materials which they represent. For

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Core Drilling of Hot Mix Asphalt (HMA) for Specimens of 4 ...

Proposed method and procedure . Core Drilling of Hot Mix Asphalt (HMA) for Specimens of 4” or 6” diameter . 1. SCOPE . 1.1 This method is to establish a consistent method of the use of a diamond bit core to recover specimens of 4 or 6 inch diameter for laboratory analysis and testing. 1.2 The method will require the use of: water, ice (bagged or other suitable type), dry ice, and a water ...

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Standard Test ASPHALT MIXES Procedures Manual Subject ...

3.2. Test Procedure Position the core drill with the core barrel perpendicular to the asphalt concrete surface at the specified sampling location. Turn on the core barrel cooling equipment and lower the rotating barrel steadily with just sufficient pressure to start cutting. When the core barrel projects through the asphalt

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SAMPLING HOT MIX ASPHALT (HMA) AFTER COMPACTION (OBTAINING ...

WAQTC_TM11_12.docx Asphalt 20-1 Pub. October 2012 SAMPLING HOT MIX ASPHALT (HMA) AFTER COMPACTION (OBTAINING CORES) WAQTC TM 11 Scope This method describes the process for removal of a core sample of compacted hot mix asphalt (HMA) from a pavement for laboratory testing. Cores may range in diameter from 2 in. to 12 in. The values stated in SI units are

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Standard Test ASPHALT MIXES Procedures Manual Subject ...

3.2. Test Procedure Position the core drill with the core barrel perpendicular to the asphalt concrete surface at the specified sampling location. Turn on the core barrel cooling equipment and lower the rotating barrel steadily with just sufficient pressure to start cutting. When the core barrel projects through the asphalt

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TECHNICAL CHECKLIST CONCRETE CORE TESTING

Procedures Sampling. D. Transport cores to the testing laboratory as soon as possible. E. Keep cores in the sealed plastic bags or nonabsorbent containers at all times except during end preparation. Leave in laboratory air for no more than 2 hr to permit capping before testing. F. If water is used during the sawing or grinding of core ends, complete these operations as soon as possible, but no ...

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Concrete and Asphalt Core Drilling: When, Why, and How ...

Removing cores from asphalt pavement is a normal part of planned quality control procedures. Project specifications for new pavement installations often factor in design versus actual thickness and density values to determine specification compliance and pay factor. Asphalt core samples are also used for some of the same tests performed on specimens prepared or molded in the laboratory.

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Recommended Mix Design Guidelines For Cold Recycling Using ...

Sampling Procedures for In-place Materials 2.1 Sampling of Reclaimed Asphalt Pavement Materials Samples of asphalt pavement shall be obtained from the areas to be recycled. The purpose of the samples is for mix design, and to determine if the thickness of the existing pavement is suitable for the recycle depth proposed. User Note: The level of sampling for a cold recycled project is dependent ...

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CONSTRUCTION PROCEDURES HANDBOOK

CONSTRUCTION PROCEDURES HANDBOOK. SECTION VI SUBSECTION F-14 DATE . CONSTRUCTION OPERATIONS . ASPHALT (HMA) CORING AND AIR VOID AND THICKNESS PAY ADJUSTMENTS . 1-31-19 : The Department tests cores taken from asphalt pavements to assess the quality of the pavement based on Air Voids and Thickness. The Specifications provide for positive and

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Concrete Core Testing: Sampling and Test Procedure –

05/08/2020  Sampling of Concrete Core. It is very important that concrete core samples should be taken as per the guidelines given below: Cores should be taken using diamond-studded core bits. Cores tested for strength properties should have a minimum diameter of three times the maximum nominal size of coarse aggregate or 50 mm. whoever is greater. Wherever possible, cores tested for strength

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Standard Practice for Rock Core Drilling and Sampling of ...

1.1 This practice covers the guidelines, requirements, and procedures for core drilling, coring, and sampling of rock for the purposes of site exploration. The borehole could be vertical, horizontal, or angled. 1.2 This practice is described in the context of obtaining data for the design, construction, or maintenance of structures, and applies to surface drilling and drilling from adits and ...

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Core Sampling and Testing of Concrete and Factors ...

Core Sampling and Testing of Concrete Concrete cores are usually cut by means of a rotary cutting tool with diamond bits. In this manner, a cylindrical specimen is obtained usually with its ends being uneven, parallel and square and sometimes with embedded pieces of reinforcement. The cores are visually described and photographed, giving specific attention to compaction, distribution of ...

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Evaluation of Asphalt Field Cores with Simple Performance ...

Evaluation of Asphalt Field Cores with Simple Performance Tester and X-ray Computed Tomography . Licentiate Thesis . Florentina Angela Farcaș. Division of Highway and Railway Engineering . Department of Transport Science School of Architecture and the Built Environment Royal Institute of Technology SE-100 44 Stockholm. TRITA-TSC-LIC 12-002 . ISBN 978-91-85539-82-6 . Stockholm 2012 . ABSTRACT ...

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Coring operations: Procedures for sampling and analysis of ...

OSTI.GOV Book: Coring operations: Procedures for sampling and analysis of bottomhole and sidewall cores

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TECHNICAL CHECKLIST CONCRETE CORE TESTING

Procedures Sampling. D. Transport cores to the testing laboratory as soon as possible. E. Keep cores in the sealed plastic bags or nonabsorbent containers at all times except during end preparation. Leave in laboratory air for no more than 2 hr to permit capping before testing. F. If water is used during the sawing or grinding of core ends, complete these operations as soon as possible, but no ...

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CONSTRUCTION PROCEDURES HANDBOOK

CONSTRUCTION PROCEDURES HANDBOOK. SECTION VI SUBSECTION F-14 DATE . CONSTRUCTION OPERATIONS . ASPHALT (HMA) CORING AND AIR VOID AND THICKNESS PAY ADJUSTMENTS . 1-31-19 : The Department tests cores taken from asphalt pavements to assess the quality of the pavement based on Air Voids and Thickness. The Specifications provide for positive and

Get price

Concrete and Asphalt Core Drilling: When, Why, and How ...

Removing cores from asphalt pavement is a normal part of planned quality control procedures. Project specifications for new pavement installations often factor in design versus actual thickness and density values to determine specification compliance and pay factor. Asphalt core samples are also used for some of the same tests performed on specimens prepared or molded in the laboratory.

Get price

Recommended Mix Design Guidelines For Cold Recycling Using ...

Sampling Procedures for In-place Materials 2.1 Sampling of Reclaimed Asphalt Pavement Materials Samples of asphalt pavement shall be obtained from the areas to be recycled. The purpose of the samples is for mix design, and to determine if the thickness of the existing pavement is suitable for the recycle depth proposed. User Note: The level of sampling for a cold recycled project is dependent ...

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Core Testing and Sampling checks reinstatements are ...

"Core testing and sampling is the only reliable way to check the compliance of reinstatements on public highways and footways." Core Testing and Sampling Core testing and sampling requires a core to be taken from a reinstatement, delivered to a UKAS accredited laboratory and tested for the following areas of compliance: Air voids. Testing the air voids in a core shows that NRSWA legislation is ...

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Core Sampling and Testing of Concrete and Factors ...

Core Sampling and Testing of Concrete Concrete cores are usually cut by means of a rotary cutting tool with diamond bits. In this manner, a cylindrical specimen is obtained usually with its ends being uneven, parallel and square and sometimes with embedded pieces of reinforcement. The cores are visually described and photographed, giving specific attention to compaction, distribution of ...

Get price

Standard Practice for Rock Core Drilling and Sampling of ...

1.1 This practice covers the guidelines, requirements, and procedures for core drilling, coring, and sampling of rock for the purposes of site exploration. The borehole could be vertical, horizontal, or angled. 1.2 This practice is described in the context of obtaining data for the design, construction, or maintenance of structures, and applies to surface drilling and drilling from adits and ...

Get price

Concrete Core Testing: Sampling and Test Procedure –

05/08/2020  Sampling of Concrete Core. It is very important that concrete core samples should be taken as per the guidelines given below: Cores should be taken using diamond-studded core bits. Cores tested for strength properties should have a minimum diameter of three times the maximum nominal size of coarse aggregate or 50 mm. whoever is greater. Wherever possible, cores tested for strength

Get price

Evaluation of Asphalt Field Cores with Simple Performance ...

Evaluation of Asphalt Field Cores with Simple Performance Tester and X-ray Computed Tomography . Licentiate Thesis . Florentina Angela Farcaș. Division of Highway and Railway Engineering . Department of Transport Science School of Architecture and the Built Environment Royal Institute of Technology SE-100 44 Stockholm. TRITA-TSC-LIC 12-002 . ISBN 978-91-85539-82-6 . Stockholm 2012 . ABSTRACT ...

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