Asphalt concrete pavements on commercial airports in the United States are constructed according to the Federal Aviation Administration Advisory Circular (AC) 150/5370-10G, Part 5 – Flexible Surface Courses, Item P-401 Hot Mix Asphalt (HMA) Pavements. The most recent version of Item P-401 includes an optional mixture design procedure based on the Superpave gyratory compactor.
ادامه مطلبFAA's newest revision (10H) of AC 150/5370, "Standard Specifications for Construction of Airports," which includes Item P-401, "Asphalt Mix Pavement," was released on December 21, 2018. The FAA made a lot of minor changes in the new spec, but also some substantial ones. They all work together to improve the ability of contractors ...
ادامه مطلبAsphalt Mix Pavement (P-401) Reference USDOT-FAA: AC No: 150/5370-10H. P-401 Asphalt Mix is intended to be used for the surface course for airfield flexible pavements subject to aircraft loadings of gross weights greater than 30,000 pounds (13,600 kg). P …
ادامه مطلبSECTION 400 – ASPHALT PAVEMENTS SECTION 401 – QUALITY CONTROL/QUALITY ASSURANCE, QC/QA, HOT MIX ASPHALT, HMA, PAVEMENT 401.01 Description This work shall consist of one or more courses of QC/QA HMA base, intermediate, or surface mixtures constructed on prepared foundations in accordance with 105.03. 401.02 Quality Control
ادامه مطلبFigure 2-24 View of Alley B-C Pavement, BLIAP, and November 2006 Figure 2-25 Close-Up of Surface Texture of the Item P-401 FR, November 2006. Figure 2-26 FDOT Agricultural Inspection Station SP FR 12.5 mm (fine). Figure 2-27 Petroleum Contaminates on the SP FR 12.5 mm (fine). Chapter 3 Figure 3-1 LAS 320 Figure 3-2 Coal Tar
ادامه مطلب– P-401 Plant Mix Bituminous Pavement – P-403 Plant Mix Bit. (Base, Leveling or Surface Course) • Rigid Surface Course – P-501 Portland Cement Concrete Pavement • Miscellaneous – P-603 Bit. Tack Coat – P-604 Compression Joint Seals – P-609 Seal Coats and Bit. Surface Treatments – P-620 Runway and Taxiway Painting
ادامه مطلبFAA's newest revision (10H) of AC 150/5370, "Standard Specifications for Construction of Airports," which includes Item P-401, "Asphalt Mix Pavement," was released on December 21, 2018. The FAA made a lot of minor changes in the new spec, but also some substantial ones. They all work together to improve the ability of contractors ...
ادامه مطلبmix bituminous pavement as surface course for runways or taxiways in accordance with Sections 203 and 302 of the Standard Specifications, except as specified otherwise in FAA Specification Item P-401, Plant Mix Bituminous Pavements, as included and modified hereafter, and other referenced documents, and as shown on the Plans.
ادامه مطلبITEM P-401 ASPHALT MIX PAVEMENT DESCRIPTION . 401-1.1 ASPHALT MIX PAVEMENT. Hot Mix Asphalt (HMA) shall consist of pavement courses composed of mineral aggregate and asphalt binder mixed in a central mixing plant and placed on a prepared base or
ادامه مطلبis on the full length of the project; added use of the Asphalt Pavement Analyzer (APA) to Item P-401 eliminating the need to run stability and flow when using the Marshall Method and allowing the same asphalt design criteria in Table 1 to apply regardless of which mix …
ادامه مطلبITEM P-401 PLANT MIX BITUMINOUS PAVEMENT DESCRIPTION 401-1.1 This item shall consist of a surface course composed of mineral aggregate and bituminous material mixed in a central mixing plant and placed on a prepared course in accordance with these Specifications and shall conform to the lines, grades, thicknesses, and typical cross sections shown on the Plans.
ادامه مطلبItem P-401—Plant Mix Bituminous Pavements." Currently, two methods are used to compact asphalt pavement mixtures used in transportation surfaces. The Marshall method, the standard method for commercial airports, uses an impact device that imparts a repetitive stress to the mixture.
ادامه مطلب401.02 4-1 DIVISION 400 PAVEMENTS SECTION 401 PLANT MIX PAVEMENTS–GENERAL DESCRIPTION 401.01 These specifications include general requirements that are applicable to all types of hot mix asphalts irrespective of gradation of aggregate, kind and quantity of asphalt cement, or pavement use. Deviations from these general requirements will be
ادامه مطلبAll construction methods, testing, and acceptance criteria shall be in accordance with the standards included within this Item MO-401S. MATERIALS. 401-2.1 AGGREGATE MATERIALS. Coarse and fine aggregates for plant mix bituminous pavement shall conform to the requirements of the 2004 (MSSHC), Section 401. A. Coarse Aggregate.
ادامه مطلبThe design of a hot mix asphalt pavement requires some knowledge of the following: TRAFFIC DRAINAGE SUBGRADE SOILS SUPPORT TRAFFIC Asphalt pavements must be designed using the proper number and weight of axle loads expected during a given period of time to insure adequate pavement performance.
ادامه مطلبTable 401-1 1TOLERANCES FOR HOT MIX ASPHALT Asphalt Content ± 0.3% Asphalt Recycling Agent ± 0.2% 1Hot Mix Asphalt – Item 403, Gradations 2Passing the 9.5 mm (3/8 inch) and larger sieves ± 6% ... Pavement samples for possible moisture susceptibility testing will be taken
ادامه مطلبMaterial Considerations in P-401 G •Item P-401 Plant Mix Bituminous Pavement •Item P-403 Hot-Mix Asphalt (HMA) Pavements (Base, Leveling or Surface Course) –In both specifications, the use of the Gyratory Compactor for design of HMA is a "tailoring option" that …
ادامه مطلبP401 Hot Mix asphalt (HMA) Structural Lift Thickness vs Construction Lift Thickness ... In AC 150/5370-10G Item P401 paragraph 401-3.2, In the note to engineer above Table 3 Aggregate – HMA Pavements, it is . recommended. ... how much existing pavement structure must be removed prior to installation of the new wearing surface.
ادامه مطلبPAVEMENT SERVICES, INC. "Item P‐401 Hot Mix Asphalt (HMA) Pavements" • Section 1: Description –Note: used for surface courses on airfields with aircraft >12,500 lbs. For underlying layers, and for <12,500 lbaircraft, Item P‐403 may be used. (P‐403 similar to P‐401 except no PWL.) State
ادامه مطلبAsphalt Pavement Design, Construction and Maintenance (23 PDHs) ... especially those within and pertaining to item P-401. ... • Asphalt Institute MS-2 Mix Design Methods • Asphalt Institute MS-22 Construction of Hot Mix Asphalt • FAA AC 150/5320-6G Airport Pavement Design and Evaluation
ادامه مطلبAmend Section 401 - Asphalt Concrete Pavement to read as follows: " SECTION 401 ASPHALT CONCRETE PAVEMENT. 401.01 Description. This section applies to the construction of asphalt concrete pavement on a prepared surface according to the contract. Include pavement wearing course mixture and a binder course mixture when specified herein. 401.02 ...
ادامه مطلبP-401 HMA Surface Course. Airport pavement design of HMA surface courses is outlined within the Advisory Circular AC 150/5370-10E Part V. The mix consisted of a #7 stone, #8 stone, #9 stone, #10 screenings, and bag house dust. Also, the asphalt binder was a PG 64-22. The Job Mix Formula (JMF) falls within the specification of a mix utilizing a ...
ادامه مطلبLearn about significant changes in the NEW version of FAA's P-401. AC 150/5370-10H brings significant changes to P-401 and other specs pertaining to asphalt paving. Some of these include: Adjusted aggregate gradation bands; Minimum lift thickness guidance; Tack coat as a separate pay item
ادامه مطلبThe workshop covered many aspects of asphalt pavements, including significant changes to the P-401 spec that were made in the recently released AC 150/5370-10H. Day 1 topics included an overview of the workshop, aggregates, asphalt binder, hot-mix asphalt mix …
ادامه مطلبItem P-401 Asphalt Mix Pavement Item P-403 Asphalt Mix Pavement [Base] [Leveling] [Surface] Course Item P-404 Fuel-Resistant Asphalt Mix Pavement Part 7 – Rigid Pavement Item P-501 Cement Concrete Pavement Item P-608 Emulsified Asphalt Seal Coat Item P-608-R Rapid Cure Seal Coat
ادامه مطلبPart 6 of Advisory Circular 150/5370-10H contains Items P -401 and P-403 for Asphalt Mix Pavement. Item P-404 specifies Fuel-Resistant Asphalt Mix Pavement. Asphalt binder requirements are contained in 2.3 of each item. United Facilities Guide Specifications (UFGS) 32 12 15.13 Asphalt Paving for Airfields and 32 12
ادامه مطلبMajor Changes to Item P-401 Asphalt Mix Pavement • Material properties organized in table format. • Clarified and simplified lot size definitions. • New requirements for smoothness: –Smoothness measuring equipment requirements. –Moved straightedge testing requirements to section on Contractor Quality Control –testing performed on a ...
ادامه مطلبA-7495 Page 1 of 22 P-401 ITEM P-401 ASPHALT MIX PAVEMENT DESCRIPTION 401-1.1 This item shall consist of pavement courses composed of mineral aggregate and asphalt binder mixed in a central mixing plant and placed on a prepared base or stabilized course in
ادامه مطلبof the foregoing. If the job mix formula uses recycled materials, the mix shall meet the requirements of Reclaimed Asphalt Pavement as specified in 2.9. 2.4.3 The Department allows the use of recycled binder in mix designs, up to 0.8% Total Reused Binder (TRB) without any change in asphalt binder requirements as long as the mix design meets all ...
ادامه مطلبThe new FAA specification requires Asphalt Pavement Analyzer (APA) test results to accompany submitted mix designs for specification item P-401.… Liked by …
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