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    ARMY UFGS-32 11 26-2008 BITUMINOUS BASE COURSE《沥青基层》.pdf

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    ARMY UFGS-32 11 26-2008 BITUMINOUS BASE COURSE《沥青基层》.pdf

    1、*USACE / NAVFAC / AFCESA / NASA UFGS-32 11 26 (August 2008)-Preparing Activity: USACE SupersedingUFGS-32 11 26 (April 2006)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated July 2008*SECTION TABLE OF CONTENTSDIVISION 32 - EXTERIOR IMPROVEMENTSSECTION 32 11 26BITUMINO

    2、US BASE COURSE08/08PART 1 GENERAL1.1 UNIT PRICES1.1.1 Measurement for Payment1.1.1.1 Bituminous Base-Course Tonnage1.1.1.2 Correctional Factor for Aggregates Used1.1.1.3 Bituminous Material1.1.2 Basis for Payment1.1.3 Waybills and Delivery Tickets1.2 REFERENCES1.3 SYSTEM DESCRIPTION1.3.1 Bituminous

    3、Plant1.3.2 Mixing Plants1.4 SUBMITTALS1.5 QUALITY ASSURANCE1.5.1 Sampling and Testing1.5.2 Aggregates1.5.3 Mineral Filler1.5.4 Bituminous Materials1.5.5 Field Sampling of Pavements and Mixtures1.6 ENVIRONMENTAL REQUIREMENTSPART 2 PRODUCTS2.1 AGGREGATES2.1.1 Coarse Aggregates2.1.1.1 Aggregate Wear2.1

    4、.1.2 Aggregate Loss2.1.1.3 Dry Weight of Crushed Slag2.1.2 Fine Aggregates2.1.3 Mineral Filler2.1.4 Liquid Limit and Plasticity Index2.1.5 Sources of Aggregates2.2 BITUMINOUS MATERIALS2.2.1 Asphalt Cement2.2.2 Quality ControlSECTION 32 11 26 Page 1Provided by IHSNot for ResaleNo reproduction or netw

    5、orking permitted without license from IHS-,-,-2.3 AGGREGATE GRADATION2.4 COMPOSITION OF MIXTURE2.4.1 Job-Mix Formula (JMF)2.4.2 Test Properties of Bituminous Mixtures2.4.2.1 Stability, Flow, and Voids2.4.2.2 Reduction in Stability by ImmersionPART 3 EXECUTION3.1 CONDITIONING OF UNDERLYING COURSE3.2

    6、MIXING3.2.1 Preparation of Mineral Aggregates3.2.2 Preparation of Bituminous Mixtures3.2.3 Water Content of Aggregates3.2.4 Storage of Bituminous Paving Mixture3.3 TRANSPORTATION OF BITUMINOUS MIXTURE3.4 PLACING3.4.1 Spraying of Contact Surfaces of Structures3.4.2 Offsetting Joints in Bituminous Bas

    7、e Course3.4.3 Use of Mechanical Spreader3.4.4 Placing Strips Succeeding Initial Strips3.4.5 Handwork Behind Machine Spreading3.4.6 Hand Spreading in Lieu of Machine Spreading3.5 GRADE AND SURFACE-SMOOTHNESS REQUIREMENTS3.5.1 Plan Grade3.5.2 Surface Smoothness3.5.3 Equipment3.6 COMPACTION OF MIXTURE3

    8、.6.1 Testing of Mixture3.6.2 Correcting Deficient Areas3.7 JOINTS3.7.1 General3.7.2 Transverse Joints3.7.3 Longitudinal Joints3.8 EDGES OF PAVEMENT3.9 PROTECTION OF PAVEMENT- End of Section Table of Contents -SECTION 32 11 26 Page 2Provided by IHSNot for ResaleNo reproduction or networking permitted

    9、 without license from IHS-,-,-*USACE / NAVFAC / AFCESA / NASA UFGS-32 11 26 (August 2008)-Preparing Activity: USACE SupersedingUFGS-32 11 26 (April 2006)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated July 2008*SECTION 32 11 26BITUMINOUS BASE COURSE08/08*NOTE: This

    10、 guide specification covers the requirements for bituminous base course for pavements.Edit this guide specification for project specific requirements by adding, deleting, or revising text. For bracketed items, choose applicable items(s) or insert appropriate information.Remove information and requir

    11、ements not required in respective project, whether or not brackets are present.Comments and suggestions on this guide specification are welcome and should be directed to the technical proponent of the specification. A listing of technical proponents, including their organization designation and tele

    12、phone number, is on the Internet.Recommended changes to a UFGS should be submitted as a Criteria Change Request (CCR).*PART 1 GENERAL1.1 UNIT PRICES*NOTE: These paragraphs will be deleted when lump-sum payment is desired. These paragraphs may be revised to include the payment for the bituminous mate

    13、rial in the payment for bituminous base course mixtures when a separate payment for the bituminous material is not considered warranted based on local experience and job conditions.*SECTION 32 11 26 Page 3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,

    14、-,-1.1.1 Measurement for Payment1.1.1.1 Bituminous Base-Course TonnageThe amount paid for will be the number of metric 2000-pound tons of bituminous mixture used in the accepted work. Weigh bituminous mixture after mixing, no deductions will be made for the weight of bituminous material incorporated

    15、 in the mix. No payment will be made for defective areas until corrected.1.1.1.2 Correctional Factor for Aggregates UsedQuantities of paving mixtures called for in bid schedule are based on aggregates having a specific gravity of 2.65 as determined according to apparent specific gravity paragraphs i

    16、n ASTM C 127 and ASTM C 128. Make correction in the tonnage of bituminous base course mixtures to compensate for the difference in the tonnage of mixtures used in the project, when specific gravities of aggregates used are more than 2.70 and less than 2.60. The tonnage paid for will be the number of

    17、 tons used, proportionately corrected for specific gravities using 2.65 as the base correctional factor.1.1.1.3 Bituminous MaterialMeasure bituminous material to be paid for in the number of liters gallons of the material used in the accepted work, corrected to liters gallons at 15 degrees C 60 degr

    18、ees F in accordance with ASTM D 1250. metric 2,000-pound tons of the material used in the accepted work.1.1.2 Basis for PaymentThe quantities of bituminous base course and bituminous materials will be paid for at the respective contract unit prices in the bid schedule. Payment will constitute full c

    19、ompensation for preparing and reconditioning the underlying layer; for furnishing all material, equipment, plant, and tools; and for all labor and other incidentals necessary to complete the work required by this section.1.1.3 Waybills and Delivery Tickets*NOTE: This paragraph will be deleted when l

    20、ump-sum payment is desired.*Submit copies of waybills and delivery tickets during progress of work. Before the final statement is allowed, submit certified waybills and certified delivery tickets for all aggregates and bituminous materials actually used in construction covered by the contract. Do no

    21、t remove bituminous material from the tank cars or storage tanks until the initial outage and temperature measurements have been taken, nor shall the car or tank be released until the final outage has been taken by the Contracting Officer.1.2 REFERENCES*NOTE: This paragraph is used to list the publi

    22、cations cited in the text of the guide SECTION 32 11 26 Page 4Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-specification. The publications are referred to in the text by basic designation only and listed in this paragraph by organization, designat

    23、ion, date, and title.Use the Reference Wizards Check Reference feature when you add a RID outside of the Sections Reference Article to automatically place the reference in the Reference Article. Also use the Reference Wizards Check Reference feature to update the issue dates.References not used in t

    24、he text will automatically be deleted from this section of the project specification when you choose to reconcile references in the publish print process.*The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the

    25、 basic designation only.AMERICAN ASSOCIATION OF STATE HIGHWAY AND TRANSPORTATION OFFICIALS (AASHTO)AASHTO T 102 (1983; R 2004) Spot Test of Asphaltic MaterialsASTM INTERNATIONAL (ASTM)ASTM C 127 (2007) Standard Test Method for Density, Relative Density (Specific Gravity), and Absorption of Coarse Ag

    26、gregateASTM C 128 (2007a) Standard Test Method for Density, Relative Density (Specific Gravity), and Absorption of Fine AggregateASTM C 131 (2006)Standard Test Method for Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles MachineASTM C 136 (2006) Stand

    27、ard Test Method for Sieve Analysis of Fine and Coarse AggregatesASTM C 183 (2002) Standard Practice for Sampling and the Amount of Testing of Hydraulic CementASTM C 29/C 29M (2007) Standard Test Method for Bulk Density (“Unit Weight“) and Voids in AggregateASTM C 88 (2005) Standard Test Method for S

    28、oundness of Aggregates by Use of Sodium Sulfate or Magnesium SulfateASTM D 1250 (2007) Standard Guide for Use of the Petroleum Measurement TablesSECTION 32 11 26 Page 5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ASTM D 140 (2001; R 2007) Sampling

    29、 Bituminous MaterialsASTM D 1856 (1995a; R 2003) Recovery of Asphalt from Solution by Abson MethodASTM D 2172 (2005) Quantitative Extraction of Bitumen from Bituminous Paving MixturesASTM D 2216 (2005) Laboratory Determination of Water (Moisture) Content of Soil and Rock by MassASTM D 242 (2004) Min

    30、eral Filler for Bituminous Paving MixturesASTM D 3381 (2005) Viscosity-Graded Asphalt Cement for Use in Pavement ConstructionASTM D 3515 (2001) Hot-Mixed, Hot-Laid Bituminous Paving MixturesASTM D 4318 (2005) Liquid Limit, Plastic Limit, and Plasticity Index of SoilsASTM D 5 (2006e1) Penetration of

    31、Bituminous MaterialsASTM D 75 (2003) Standard Practice for Sampling AggregatesASTM D 946 (1982; R 2005) Penetration-Graded Asphalt Cement for Use in Pavement Construction1.3 SYSTEM DESCRIPTION1.3.1 Bituminous PlantProvide a bituminous plant of such capacity, as specified herein, to produce the quant

    32、ities of bituminous mixtures required for the project within the completion time of the contract. Provide hauling equipment, paving machines, rollers, miscellaneous equipment, and tools in sufficient numbers and capacity and in proper working condition to place the bituminous paving mixtures at a ra

    33、te equal to the plant output. A sufficient number of adequately trained personnel shall be available during paving operations to produce a pavement meeting the requirements in this specification.1.3.2 Mixing Plants*NOTE: The type and capacity of the plant, the number and size of trucks, paving machi

    34、nes, and other equipment should be determined from the tons of paving mixtures required, haul distances, number of working days permitted by the contract, and other pertinent factors.*SECTION 32 11 26 Page 6Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS

    35、-,-,-Provide mixing plants which are automatic or semiautomatic controlled, commercially manufactured units designed, coordinated, and operated to consistently produce a mixture within the job-mix formula (JMF),with a minimum capacity of _ metric tons tons per hour. Drum mixers will be prequalified

    36、at the production rate to be used during actual mix production. The prequalification tests will include extraction in accordance with ASTM D 2172 and recovery of the asphalt cement in accordance with ASTM D 1856. The penetration of the recovered asphalt binder shall not be less than 60 percent of th

    37、e original penetration in accordance with ASTM D 5.1.4 SUBMITTALS*NOTE: Review submittal description (SD) definitions in Section 01 33 00 SUBMITTAL PROCEDURES and edit the following list to reflect only the submittals required for the project. Submittals should be kept to the minimum required for ad

    38、equate quality control.A “G” following a submittal item indicates that the submittal requires Government approval. Some submittals are already marked with a “G”. Only delete an existing “G” if the submittal item is not complex and can be reviewed through the Contractors Quality Control system. Only

    39、add a “G” if the submittal is sufficiently important or complex in context of the project.For submittals requiring Government approval on Army projects, a code of up to three characters within the submittal tags may be used following the “G“ designation to indicate the approving authority. Codes for

    40、 Army projects using the Resident Management System (RMS) are: “AE“ for Architect-Engineer; “DO“ for District Office (Engineering Division or other organization in the District Office); “AO“ for Area Office; “RO“ for Resident Office; and “PO“ for Project Office. Codes following the “G“ typically are

    41、 not used for Navy, Air Force, and NASA projects.Choose the first bracketed item for Navy, Air Force and NASA projects, or choose the second bracketed item for Army projects.*Government approval is required for submittals with a “G“ designation; submittals not having a “G“ designation are for Contra

    42、ctor Quality Control approval.information only. When used, a designation following the “G“ designation identifies the office that will review the submittal for the Government. Submit the following in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:SD-03 Product DataJob-Mix Formula (JMF)Mix des

    43、ign at least _ days before it is to be used.SECTION 32 11 26 Page 7Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Waybills and delivery ticketsSources of AggregatesCopies of waybills and delivery tickets during the progress of the work. Certified wa

    44、ybills and delivery tickets for all materials actually used. Plan for operation of a new source of aggregates well in advance of starting production.SD-04 SamplesSources of AggregatesSamples of a new source of aggregates for approval.SD-06 Test ReportsSources of AggregatesBituminous MaterialsSampling and testingCopies of field tests results within 24 _ hours after the tests are performed. Certified copies of tests results for approval not less than 30 _ days before material is required for the work.1.5 QUALITY AS


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