sampling hot mix asphalt codot

Sampling Hot Mix Asphalt - codot

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

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SAMPLING LOCATION IMPACT ON MEASURED ASPHALT

the different sampling locations of hot mix asphalt to determine asphalt content. CDOT currently allows for sampling at the plant, from a windrow, from the paver screw, and from behind the paver both with and without a template. The purpose of this study

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CP-40s - Asphalt — Colorado Department of Transportation

Sampling Hot Mix Asphalt Estimation of Asphalt Content in Hot Mix Asphalt Through Back Calculations Using Gse Determining Moisture (Water) or Volatile Distillates Content of HMA Bulk Specific Gravity and Percent Relative Compaction of Compacted

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Asphalt - codot

Sampling Hot Mix Asphalt Estimation of Asphalt Content in Hot Mix Asphalt Through Back Calculations Using Gse Determining Moisture (Water) or Volatile Distillates Content of HMA Bulk Specific Gravity and Percent Relative Compaction of Compacted

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CP-40s — Colorado Department of Transportation

Sampling Hot Mix Asphalt Estimation of Asphalt Content in Hot Mix Asphalt Through Back Calculations Using Gse Determining Moisture (Water) or Volatile Distillates Content of HMA Bulk Specific Gravity and Percent Relative Compaction of Compacted

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CP-40s - Pavements — Colorado Department of Transportation

Sampling Hot Mix Asphalt Estimation of Asphalt Content in Hot Mix Asphalt Through Back Calculations Using Gse Determining Moisture (Water) or Volatile Distillates Content of HMA Bulk Specific Gravity and Percent Relative Compaction of Compacted

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Adjusting Moisture Requirement to Hydrate Lime in Asphalt ...

7.1 Before production begins mix at least 100 tons of materialfor sample collection with 1% lime and no moisture . 7.2 Obtain enough cold feed samples per CP 30 to perform testing according to CP 31. 7.3 Obtain Hot Mix Asphalt Sample in accordance with CP 41 to perform testing according to CP-L 5109, CP-L 5120, and CP-L 5115.

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Determining Moisture (Water) or ... - i25gap.codot.gov

CP 41 Sampling Hot Mix Asphalt CP 55 Reducing Field Samples of Hot Mix Asphalt to Testing Size 2.2 Manufacturer’s instruction manual. 2.3 CDOT Standard Special Provisions and/or Project Special Provisions for Item 620 2.4 CDOT M S Standards, Item 620 3. SIGNIFICANCE AND USE 3.1 These test methods are used for

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Approval of Asphalt Mix Designs Using Plant Produced Material

Content of Hot-Mix Asphalt (HMA) by the Ignition Method 2.2 Colorado Procedures: CP 85 Asphalt Cement Content of Asphalt Mixtures by the Nuclear Method CP-L 5120 Determination of the Asphalt Binder Content of Bituminous Mixtures by the Ignition Method 3. SAMPLING 3.1 The mixture proposed for use on the project shall be sampled by the Supplier ...

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Hot Mix Asphalt Sampling - YouTube

Oct 23, 2019  Iowa DOT

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Determination of the Asphalt Binder ... - winter.codot.gov

CP 30 Sampling of Aggregates . CP 31 Sieve Analysis of Aggregates . CP 41 Sampling Bituminous Paving Mixtures . CP 55 Reducing Field Samples of Hot Mix Asphalt to Testing Size . CP 85 Binder and Asphalt Cement Content of Asphalt Mixtures by the Nuclear Method .

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Approval of Asphalt Mix Designs Using Plant Produced Material

Content of Hot-Mix Asphalt (HMA) by the Ignition Method 2.2 Colorado Procedures: CP 85 Asphalt Cement Content of Asphalt Mixtures by the Nuclear Method CP-L 5120 Determination of the Asphalt Binder Content of Bituminous Mixtures by the Ignition Method 3. SAMPLING 3.1 The mixture proposed for use on the project shall be sampled by the Supplier ...

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Hot Mix Asphalt Test Result Verification and Dispute ...

Hot Mix Asphalt Test Result Verification and Dispute Resolution 1. SCOPE 1.1 The purpose of this Hot Mix Asphalt (HMA) ... Asphalt Compaction Longitudinal Joints CP 44 >1.5% Air Voids CP-L 5115 > 0.7 % Voids in Mineral Aggregate CP 48 > 0.7 % . 2019 CDOT FMM 7-01-2018 CP 17

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F and t-test Statistical Method 1. SCOPE - i25gap.codot.gov

CP 41 Sampling Hot Mix Asphalt . CP 55 Reducing Field Samples of Hot Mix Asphalt to Testing Size. CP 61 Sampling Freshly Mixed Concrete . 2.2 . Other References: AASHTO R 9 “Standard Practice for Acceptance Sampling Plans for Highway Construction”. Implementation Manual for Quality Assurance, 1996, AASHTO Highway Subcommittee on

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Hot Mix Asphalt Pavements - Colorado Department of ...

Using Ground Tire Rubber in Hot Mix Asphalt Pavements 6. AUI'HORS(S) Donna Harmelink and Robert LaForce 7. PERFORMING ORGM"lZAllON NAME(S) AND ADDRESS(S) 8. PERFORMING ORGAN1ZATION Colorado Department of Transportation REPORT NUMBER 4201 E. Arkansas Ave. CooT-DTD-R-95-12 Denver, Colorado 80222 9.

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Determining Maximum Density of Cold In-Place Recycled

CP 41 Sampling Hot Mix Asphalt 3 2A. SAMPLING 2A.1 Obtain a sample from the windrow or roadway, after rolling in the finished roadway. For cationic emulsions, sample after rolling in the finished roadway. Follow CP 41, Method C. Prepare and compact the sample as described in Method C or Method D below. METHOD C 8. SAMPLE - Deleted

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HOT MIX ASPHALT GRADATION ACCEPTANCE REVIEW OF

detailed analysis of each of the test elements: mat density, percent asphalt, gradation, and joint density is also presented in tables, figures, and sub-reports. Various data groupings are used to evaluate the data including: year, region, grading. Continued improvements can be measured for the hot mix asphalt in the years 2000 through 2004.

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COLORADO DEPARTMENT OF TRANSPORTATION SPECIAL

Revision of Sections 105 and 106 – Conformity to the Contract of Hot Mix Asphalt (Nov. 03, 2008) 10 (Voids Acceptance) Revision of Sections 105 and 106 – Conformity to the Contract of Portland Cement (April 30, 2009) 7 Concrete Pavement Revision of Sections 105, 202, 401, 406, and 601 – Hot Mix Asphalt Pavement (July 01, 2010) 9

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DuraFlex Front Matter - i25gap.codot.gov

on the existing pavement and is overlaid with hot mix asphalt. Projects on US-24 in Region 2 and on US-50 in Region 5 were selected for evaluation. On US-24 approximately one thousand feet of the DuraFlex Curb were placed in two 500’ test sections. On US-50 approximately two thousand feet of DuraFlex Curb were installed.

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Hot Mix Asphalt Gradation Acceptance Review of QC/QA Data ...

A detailed analysis of each of the test elements: mat density, percent asphalt, gradation, and joint density is also presented in tables, figures, and sub-reports. Various data groupings are used to evaluate the data including: year, region, and grading. Continued improvements can be measured for the hot mix asphalt in the years 2000 through 2004.

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IN-PLACE PAVEMENT RECYCLING: GAPS, BARRIERS, AND

Hot in-place recycling (HIR)—surface recycling: softening of the asphalt bound surface through heating and scarified (1 to 2 inches) with tines or a milling head. The scarified material is mixed with a rejuvenating agent (recycling agent), placed with standard hot-mix asphalt paver, and compacted.

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Comprehensive evaluation of wheel-tracking rutting ...

Mar 11, 2020  This study aimed to advance the implementation of the most promising wheel-tracking rutting assessment tests in the newly proposed Balanced Mixed Design (BMD) (or Performance-Engineered Mix Design method [PEMD]). In order to achieve this goal, the study examined the validity of two rutting assessment tests (i.e. Hamburg Wheel Tracking test [HWTT], and Asphalt Pavement

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Performance Specifications for Asphalt Mixtures

88 Appendix C Links to Resources identified in Survey and interviews Table C1 QuesTion 39: Please share a CoPy of your agenCyâ s PerformanCe sPeCifiCaTions for asPhalT PavemenTs and/or mixTure TyPes by Providing The Weblinks in The folloWing CommenT boxes Respondent Title Link Additional Notes Alabama Standard Specifications for Highway ...

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CONTRACTOR'S PROJECT SAFETY MANAGEMENT PLAN - co

categories for hot mix asphalt and Portland cement concrete pavements. FOR HOT MIX ASPHALT PAVEMENTS: MRI Category I 1. Use on Urban Reconstruction with or without curb and gutter; 2. Use on construction of one layer over an intermediate treatment [Removal of Asphalt Mat (Planing), Cold Bituminous Pavement (Recycle), Heating and Remixing, Heating

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Hot Mix Asphalt Test Result Verification and Dispute ...

Hot Mix Asphalt Test Result Verification and Dispute Resolution 1. SCOPE 1.1 The purpose of this Hot Mix Asphalt (HMA) ... Asphalt Compaction Longitudinal Joints CP 44 >1.5% Air Voids CP-L 5115 > 0.7 % Voids in Mineral Aggregate CP 48 > 0.7 % . 2019 CDOT FMM 7-01-2018 CP 17

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DuraFlex Front Matter - i25gap.codot.gov

on the existing pavement and is overlaid with hot mix asphalt. Projects on US-24 in Region 2 and on US-50 in Region 5 were selected for evaluation. On US-24 approximately one thousand feet of the DuraFlex Curb were placed in two 500’ test sections. On US-50 approximately two thousand feet of DuraFlex Curb were installed.

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COLORADO DEPARTMENT OF TRANSPORTATION ... -

HMA Hot Mix Asphalt Horiz, Horz., Horiz., Hor. Horizontal HOV High-Occupancy Vehicle HP H pile, horsepower HSHP High StrengthHorsepower HPC High Performance Concrete HS Bolt, H.S. Bolt High Strength Bolt . June 18, 2021 Chapter No 2 BRIDGE DETAIL MANUAL Page 8 of 16 Abbreviation or Acronym Symbols ...

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IN-PLACE PAVEMENT RECYCLING: GAPS, BARRIERS, AND

Hot in-place recycling (HIR)—surface recycling: softening of the asphalt bound surface through heating and scarified (1 to 2 inches) with tines or a milling head. The scarified material is mixed with a rejuvenating agent (recycling agent), placed with standard hot-mix asphalt paver, and compacted.

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CONTRACTOR'S PROJECT SAFETY MANAGEMENT PLAN - co

categories for hot mix asphalt and Portland cement concrete pavements. FOR HOT MIX ASPHALT PAVEMENTS: MRI Category I 1. Use on Urban Reconstruction with or without curb and gutter; 2. Use on construction of one layer over an intermediate treatment [Removal of Asphalt Mat (Planing), Cold Bituminous Pavement (Recycle), Heating and Remixing, Heating

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Hot Mix Asphalt Gradation Acceptance Review of QC/QA Data ...

A detailed analysis of each of the test elements: mat density, percent asphalt, gradation, and joint density is also presented in tables, figures, and sub-reports. Various data groupings are used to evaluate the data including: year, region, and grading. Continued improvements can be measured for the hot mix asphalt in the years 2000 through 2004.

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Hot-Mix Asphalt Crack Sealant and PCC Joint Sealants (CS/JS)

Hot-Mix Asphalt Crack Sealant and PCC Joint Sealants (CS/JS) Technical Committee Meeting Agenda . Working Session #2 . Monday, May 18, 2015 12:40 PM – 2:00 PM . Please sign the attendance sheet via the iPad. 1) 12:40 PM-12:45 PM: Call to Order and Introductions Allen Gallistel started the meeting at

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Research Need Statement 556

Warm-mix asphalt (WMA) is a group of technologies that allow for the placement of asphalt at production temperatures 35°F–100°F lower than traditional Hot-mix asphalt (HMA). Some of the benefits for using WMA are that it lowers fuel consumption, lessens the aging of the

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Comprehensive evaluation of wheel-tracking rutting ...

Mar 11, 2020  This study aimed to advance the implementation of the most promising wheel-tracking rutting assessment tests in the newly proposed Balanced Mixed Design (BMD) (or Performance-Engineered Mix Design method [PEMD]). In order to achieve this goal, the study examined the validity of two rutting assessment tests (i.e. Hamburg Wheel Tracking test [HWTT], and Asphalt Pavement

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(PDF) Design and Analysis of Flexible Pavement Malik ...

Typical flexible pavement structure consisting of surface course and the underlying base, sub-base and sub-grade courses. Each of these layers contributes to structural support and drainage. The surface course (typically an HMA layer) is the stiffest and contributes the most to pavement strength.

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Performance Specifications for Asphalt Mixtures

88 Appendix C Links to Resources identified in Survey and interviews Table C1 QuesTion 39: Please share a CoPy of your agenCyâ s PerformanCe sPeCifiCaTions for asPhalT PavemenTs and/or mixTure TyPes by Providing The Weblinks in The folloWing CommenT boxes Respondent Title Link Additional Notes Alabama Standard Specifications for Highway ...

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DENVER INTERNATIONAL AIRPORT DIVISION 02 – TECHNICAL ...

Revision of Section 401 – Reclaimed Asphalt Pavement (November 6, 2018) 16-17 . Revision of Section 403 – Hot Mix Asphalt (November 6, 2018) 18-20 . Revision of Section 412 – Drop Inlet Expansion Joint System (November 6, 2018) 21 . Revision of Section 412 – Portland Cement Concrete Pavement Overlay (November 6, 2018) 22

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Literature Search Need Statement 556

3. Warm-Mix Asphalt for Rural County Roads 4. Cold Regions Engineering 2009: Cold Regions Impacts on Research, Design, and Construction Source: (438 - 454) Abstract: Warm-mix asphalt (WMA) is a group of technologies that allow for the placement of asphalt at production temperatures 35°F–100°F lower than traditional Hot-mix asphalt (HMA).

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LARIMER COUNTY

Revision of Section 403 – Hot Mix Asphalt . July 1, 2020. 33-36. Revision of Section 403 – Hot Mix Asphalt (Grading SX)(75)(With Fiber) July 1, 2020. 37-38. Revision of Section 629 – Survey Monumentation. July 1, 2020. 39-41. Revision of Section 629 –

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