ERDC/GSL TR1127 'Minimum Thickness Requirements for
Minimum Thickness Requirements for Asphalt Surface Course and Base Layer in Airfield Pavements Geotechnical and Structures Laboratory Walter R Barker, Alessandra Bianchini, E Ray Brown, and Carlos R Gonzalez : August 2011 Approved for public release; distribution is unlimited ERDC/GSL TR1127 August 2011 Minimum Thickness Requirements for Asphalt Surface Course and Base ERDC/GSL TR1127 Minimum Thickness Requirements for Asphalt Surface Course and Base Layer in Airfield Pavements Geotechnical and Structures Laboratory Walter R Barker, Alessandra Bianchini, E Ray Brown, and Carlos R Gonzalez August 2011 Approved for public release; distribution is unlimited Minimum Thickness Requirements for Asphalt Surface Course andapdf ERDC\/GSL TR1127 Minimum Thickness ERDC/GSL TR0826 October 2008 Evaluation of Minimum Asphalt Concrete Thickness Criteria Haley P Bell and L Webb Mason Geotechnical and Structures Laboratory US Army Engineer Research and Development Center 3909 Halls Ferry Road Vicksburg, MS 391806199 Final report Approved for public release; distribution is unlimited Prepared for Headquarters, Air Combat Command 129 Andrews ERDC/GSL TR0826, Evaluation of Minimum Asphalt concrete Typically, for densegraded mixes, a lift thickness of 3 to 4 times the nominal maximum size (NMS) of the aggregate is needed For example, a mix containing ½inch NMS stone should be placed at a compacted depth of at least 1½ to 2 inchesAsphalt Pavement Thickness and Mix Design Asphalt Institute The thickness of a parking lot depends heavily on the amount and type of traffic of that specific lot For standard commercial jobs, the densegraded aggregate layer is typically about 8” thick On top of the base, we typically recommend applying two 15” layers of asphalt The first binder layer of 15” would be a thicker stoneAsphalt Pavement Guide: Thickness EastCoat Pavement Services
(PDF) Minimum Thickness Requirements for Asphalt Surface
of the UFC current minimum thickness requirements for the asphalt layer, identify the mai n failure mechanisms for prem ature deterioration, and quantify the serv ice life of thin asphalt co Asphalt, Voids in Mineral Aggregate and Film Thickness as per requirements identified in Table 2237 7 Moisture in Mix: Maximum permissible moisture, at point of plant discharge, is 02% by mass of mix 8 Asphalt cement recovered from freshly produced hot mix by the Abson Method, ASTM D1856 and subsequently tested in accordance with ASTM05140 Asphalt Concrete FINAL DRAFT Feb 8 2005 Asphalt Concrete Pavement transition and approach road paving For projects where transition ACP is required, the Contractor shall cold mill to achieve a 40 mm minimum thickness of ACP The joint between the existing ACP and the new transition ACP shall be sawcut a minimum of 40 mm across the full width of roadwaySECTION 17 ASPHALT CONCRETE PAVEMENTAll Ministry numbered highways and Ministry side roads with traffic volumes greater than 100,000 ESALs (Pavement Design types A and B) over the design period require a minimum thickness of 300mm of Crushed Base Course (CBC) Lower volume side roads (Pavement Design Types C and D) require a minimum thickness of 225mm of Crushed Base Course (CBC)T0115 Pavement Structure Design GuidelinesAsphalt Treated Base Class I 034 4 Bituminous Treated Aggregate Base 023 6 Asphalt Treated Base Class II 026 4 Cold‐Laid Bituminous Concrete Base 023 6 Cement Treated Granular (Aggregate) Base 020 6 Soil‐Cement Base 015 6 Crushed (Graded) Stone Base 014 6 Macadam Stone Base 012 6AASHTO Pavement Thickness Design Guide
32 12 16 Asphalt Concrete Pavement
SPEC NOTE: Specify single lift if total thickness of asphalt concrete pavement specified is 65 mm or less Delete this article if two lifts are specified 1 Place pavement in a single lift to a minimum total compacted thickness of [50] [ ] mm [and as indicated on drawings]2 Maximum Aggregate Size: Minimum asphalt film thickness (micrometer) 65 65 652 Do not change approved mix design without written approval by the Minister 25 SEAL AND TACK COAT MIXES1 Slurry Seal Mix: mineral filler, and as follows:1 Asphalt Content: 2025% by weight of dry aggregate2 Water Content: 10 32 12 17 (02742) Asphalt Concrete Pavement Repairs TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 537: Impact of Asphalt Thickness on Pavement Quality documents transportation agency policy for lift thickness and minimum compaction requirements on resultant asphalt pavement quality To achieve expected pavement performance, it is important that asphalt concrete (AC) have adequate densityImpact of Asphalt Thickness on Pavement Quality Blurbs Table 62Thickness Chart: Playgrounds A For Asphalt Concrete Base Pavements Thickness in Inches Design Criteria* Asphalt Concrete Traffic Class Subgrade (ADT) Class CBR Base Surface Total Good 9 30 10 40 I Moderate 6 35 10 45 Poor 3 40 10 50 B For Untreated Aggregate Base Pavements Design Criteria* Thickness in Inches Untreated AsphaltChapter 6 Designs for Recreational UsesAggregates (via spec property requirements) Blend grading Volumetrics • Air voids, VMA, VFA, Dust/Aceff, film thickness, etc PG binder type and minimum amount in some cases RAP and/or RAS content Other additives use and amount • Problem gslerdcusacearmymil/gl • Recipe specifications have become convoluted and confounded over Optimized Mix Design Approach National Asphalt Pavement
Section 626 Temporary Steel Plate Trench Bridging
dimensions, thickness, ASTM A 36 or ASTM A 572 steel grade, and minimum shoring or bracing requirements, shall be prepared by a structural professional engineer registered by the Missouri Division of Professional Registration and approved by the Engineer 1/18/2013 6262 Temporary Steel Plate Trench Bridging Consideration shall also be made for traffic volume and composition, duration 510 Design Notes On Layer Thickness 5410 thru For Asphalt Concrete Structural thru 514 Courses 5470 61 Reduced Structural Coefficients Of Asphalt Materials Per Unit thickness 6110 A1A Required Structural Number (SN R) A50 thru Thru A10B A450 D1 Relationship Of Axle Weight To Damage D40 D2 Lane Factors (L F) For Different Types of Facilities D60 D3 Equivalency Factors FLEXIBLE PAVEMENT DESIGN MANUAL Susceptibility in accordance with DOTD TR 317 and either AASHTO T324 or DOTD TR 322 50104 LOT SIZES A lot is a segment of continuous production of asphalt concrete mixture from the same JMF produced for the Department at a specific plant, delivered to a specific DOTD project A lot is defined as 2400 tons of mixture production, a sublot is 800 tons The final lot may be increased up to 50 PART V ASPHALTIC PAVEMENTS1 General Requirements 2 Earthworks 3 Pavement 4 Concrete Works 5 Reinforcing Steel 6 Masonry 7 Incidental Construction 8 Traffic Markings and Signs 9 Traffic Control System 10 Lighting and Electrical Distribution Works 11 Utilities 12 Stormwater Drainage 13 Landscaping and Irrigation STANDARD CONSTRUCTION SPECIFICATIONS PART 1 ROADS CHAPTER 1 GENERAL REQUIREMENTS DOCUMENT NO: TR STANDARD CONSTRUCTION SPECIFICATIONS PART 1 ROADSprocedures provided will include the determination of the total pavement thickness as well as the thickness and structural value of each of the individual pavement components The determination of alternate designs and the selection of an optimum design based on costs, conservation of materials, etc, will also be discussedPAVEMENT DESIGN MANUAL
FLEXIBLE PAVEMENT DESIGN MANUAL
510 Design Notes On Layer Thickness 5410 thru For Asphalt Concrete Structural thru 514 Courses 5470 61 Reduced Structural Coefficients Of Asphalt Materials Per Unit thickness 6110 A1A Required Structural Number (SN R) A50 thru Thru A10B A450 D1 Relationship Of Axle Weight To Damage D40 D2 Lane Factors (L F) For Different Types of Facilities D60 D3 Equivalency Factors Film thickness of asphalt mixture 24 Mixing and compaction temperatures of the asphalt binder 25 Plant and Laboratory Certifications including addresses II Requirements: ASPHALT CONCRETE 10 GENERAL: Asphalt concrete shall be a mixture of asphalt binder and mineral aggregates Mineral admixture, mineral filler and antistripping agent shall be included in the mixture when required by the East Valley Asphalt Committee HOT ASPHALT MIX CRITERIASusceptibility in accordance with DOTD TR 317 and either AASHTO T324 or DOTD TR 322 50104 LOT SIZES A lot is a segment of continuous production of asphalt concrete mixture from the same JMF produced for the Department at a specific plant, delivered to a specific DOTD project A lot is defined as 2400 tons of mixture production, a sublot is 800 tons The final lot may be increased up to 50 PART V ASPHALTIC PAVEMENTS6 The minimum paving width is 15 m machine is impractical of the existing surface and in areas where placement with a paving 5 Hand placement of asphalt is only permitted for minor corrections Table 31 4 The allowable asphalt layer thickness during paving is listed in 20 Reserved and R107 respectively 19 All primerseals and seals Asphalt drawings Volume 1 New ConstructionAsphalt Mixtures Volumetrics c 09–20 06–13 Report Only 06–13 Hamburg wheel track (minimum number of passes at 05 inch average rut depth) PG 58 PG 64 PG70 PG76 or higher AASHTO T 324 (Modified) d,e 10,000 15,000 20,000 25,000 15,000 20,000 25000 10,000 15,000 20,000 25,000 Hamburg wheel track (inflection point minimum number of 39 HOT MIX ASPHALT, SUPERPAVE
Asphalt Parking Lot Construction Best Practices
Asphalt Directly onTop of Subgrade 20 to 400 HeavyTrucks* per Day Asphalt Concrete 85 inches Asphalt Concrete 105 inches Asphalt Concrete 125 inches Subgrade Good to Excellent Subgrade Medium Subgrade Poor 23∙ Minimum curve radius ∙ Maximum degree of curvature ∙ Vertical clearance ∙ Inslope (foreslope) A summary of the requirements for each of these items is provided in Tables 21 through 24 and the paragraphs following An illustration of several of the items is provided in Figure 21 Information on other geometricrelated items can Rural Road Design, Maintenance, and Rehabitation Guideprocedures provided will include the determination of the total pavement thickness as well as the thickness and structural value of each of the individual pavement components The determination of alternate designs and the selection of an optimum design based on costs, conservation of materials, etc, will also be discussedPAVEMENT DESIGN MANUAL1 General Requirements 2 Earthworks 3 Pavement 4 Concrete Works 5 Reinforcing Steel 6 Masonry 7 Incidental Construction 8 Traffic Markings and Signs 9 Traffic Control System 10 Lighting and Electrical Distribution Works 11 Utilities 12 Stormwater Drainage 13 Landscaping and Irrigation STANDARD CONSTRUCTION SPECIFICATIONS PART 1 ROADS CHAPTER 1 GENERAL REQUIREMENTS DOCUMENT NO: TR STANDARD CONSTRUCTION SPECIFICATIONS PART 1 ROADSassessment of the thickness of the asphalt surfacing Successful examples of waterproofing membrane construction methods and associated quality control 1 The four bridges are the West Kowloon Expressway Viaduct, the Kap Shui Mun Bridge, the Ma Wan Viaduct and the Ting Kau Bridge RD/GN/033 The Use of Waterproofing Membranes on Concrete Bridge Decks Page 1 of 8 measures GUIDANCE NOTES ON THE USE OF WATERPROOFING
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