ARMY UFGS-32 11 27-2008 BITUMINOUS-STABILIZED BASE COURSE SUBBASE OR SUBGRADE《沥青稳定基层 底基层或地基》.pdf

1、*USACE / NAVFAC / AFCESA / NASA UFGS-32 11 27 (August 2008)-Preparing Activity: USACE SupersedingUFGS-32 11 27 (April 2006)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated July 2008*SECTION TABLE OF CONTENTSDIVISION 32 - EXTERIOR IMPROVEMENTSSECTION 32 11 27BITUMINO

2、US-STABILIZED BASE COURSE, SUBBASE, OR SUBGRADE08/08PART 1 GENERAL1.1 UNIT PRICES1.1.1 Measurement for Payment1.1.1.1 Bituminous Stabilization1.1.1.2 Bituminous Material1.1.1.3 Select Material1.1.2 Basis for Payment1.1.3 Waybills and Delivery Tickets1.2 REFERENCES1.3 DEFINITION1.4 SYSTEM DESCRIPTION

3、1.4.1 Source of Bituminous Material1.4.2 Stockpiling Materials1.4.3 Plant, Equipment, Machines, and Tools1.4.3.1 General Requirements1.4.3.2 Bituminous Distributor1.4.3.3 Straightedge1.5 SUBMITTALS1.6 ENVIRONMENTAL REQUIREMENTSPART 2 PRODUCTS2.1 MATERIALS2.1.1 Bituminous Material2.1.1.1 Liquid Aspha

4、lt2.1.1.2 Emulsified Asphalt2.1.1.3 Tar2.1.2 Material to be Stabilized2.1.3 Water2.2 MIX DESIGNPART 3 EXECUTION3.1 BITUMINOUS MATERIAL MIX3.2 OPERATION OF AGGREGATE SOURCESSECTION 32 11 27 Page 1Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.3 PRE

5、PARATION OF AREAS TO BE STABILIZED3.3.1 In-Place Material to be Stabilized3.3.2 In-Place Materials to Receive Stabilized Course3.3.3 Select Material3.4 GRADE CONTROL3.5 MIXING OF MATERIALS3.5.1 Mixed-in-Place Method3.5.1.1 Scarifying and Pulverizing of Soil3.5.1.2 Application of Water3.5.1.3 Applica

6、tion of Bituminous Material3.5.1.4 Traveling-Plant Method3.5.2 Central Plant Method3.5.2.1 Mixing3.5.2.2 Placing3.6 PLACEMENT AND COMPACTION3.7 EDGES OF STABILIZED COURSE3.8 FINISHING3.8.1 Smoothness3.8.2 Thickness Control3.9 CONSTRUCTION JOINTS3.10 PRIME COAT3.11 Sampling and Testing3.11.1 Field De

7、nsity3.11.2 Sieve Analysis3.11.3 Liquid Limit and Plasticity Index3.11.4 Extraction Test3.11.5 Smoothness Test3.11.6 Thickness3.11.7 Bituminous Material3.12 MAINTENANCE3.13 TRAFFIC- End of Section Table of Contents -SECTION 32 11 27 Page 2Provided by IHSNot for ResaleNo reproduction or networking pe

8、rmitted without license from IHS-,-,-*USACE / NAVFAC / AFCESA / NASA UFGS-32 11 27 (August 2008)-Preparing Activity: USACE SupersedingUFGS-32 11 27 (April 2006)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated July 2008*SECTION 32 11 27BITUMINOUS-STABILIZED BASE COUR

9、SE, SUBBASE, OR SUBGRADE08/08*NOTE: This guide specification covers the requirements for bituminous stabilization of subgrades, subbases, and base courses for airfield pavements and for roads, streets, and parking areas.Edit this guide specification for project specific requirements by adding, delet

10、ing, or revising text. For bracketed items, choose applicable items(s) or insert appropriate information.Remove information and requirements not required in respective project, whether or not brackets are present.Comments and suggestions on this guide specification are welcome and should be directed

11、 to the technical proponent of the specification. A listing of technical proponents, including their organization designation and telephone 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 parag

12、raphs will be deleted when lump-sum payment is desired. When payment basis is square meters (yards) only, delete inapplicable paragraphs.*1.1.1 Measurement for Payment1.1.1.1 Bituminous StabilizationMeasurement will be by the square meter yard of work completed and accepted.SECTION 32 11 27 Page 3Pr

13、ovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1.1.1.2 Bituminous MaterialBituminous material to be paid for will be measured in the number of litersgallons of the material used in the accepted work, corrected to liters at 15 degrees C gallons at 60 d

14、egrees F in accordance with ASTM D 633 ASTM D 1250. Use a coefficient of 0.00025 per degree C F for asphalt emulsion. metric 2000 pound tons of the material used in the accepted work.1.1.1.3 Select Material*NOTE: Reference to select material will be deleted when select material is not required from

15、borrow areas.*Select material will be measured by the cubic meter yard metric 2000 pound ton of material placed and used in the completed and accepted stabilization. Measurement will not be made for select material that is wasted or used in work determined to be defective.1.1.2 Basis for Payment*NOT

16、E: Reference to select material will be deleted when select material is not required from borrow areas.The last sentence in brackets will be deleted if sanding or dusting of the bituminous-primed surfaces is not required or if bituminous-primed surfaces are to receive bituminous surfacing under the

17、contract.*Bituminous stabilization, constructed and accepted, and the quantities of bituminous material and select material will be paid for at the respective contract unit prices. Payment will not be made for any material wasted, used for the convenience of the Contractor, unused or rejected, or fo

18、r water used. Select material obtained from grading and excavation operations at the project site will not be paid for under this section but will be included for payment under other sections specifying grading and excavating. Separate payment will not be made for sanding or dusting the bituminous p

19、rime-coated surfaces. Costs for sanding or dusting will be included in the contract unit price for bituminous material.1.1.3 Waybills and Delivery TicketsSubmit copies of waybills or delivery tickets during the progress of the work. Before the final payment is allowed, furnish waybills and certified

20、 delivery tickets for all bituminous materials and select materials used in the construction.1.2 REFERENCES*NOTE: This paragraph is used to list the publications cited in the text of the guide SECTION 32 11 27 Page 4Provided by IHSNot for ResaleNo reproduction or networking permitted without license

21、 from IHS-,-,-specification. The publications are referred to in the text by basic designation only and listed in this paragraph by organization, designation, date, and title.Use the Reference Wizards Check Reference feature when you add a RID outside of the Sections Reference Article to automatical

22、ly place the reference in the Reference Article. Also use the Reference Wizards Check Reference feature to update the issue dates.References not used in the text will automatically be deleted from this section of the project specification when you choose to reconcile references in the publish print

23、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 basic designation only.AMERICAN ASSOCIATION OF STATE HIGHWAY AND TRANSPORTATION OFFICIALS (AASHTO)AASHTO M 81 (1992; R 2004) Cut-Back Asphalt (Ra

24、pid-Curing Type)AASHTO M 82 (1975; R 2004) Cut-Back Asphalt (Medium-Curing Type)AASHTO T 193 (1999; R 2003) The California Bearing RatioAASHTO T 40 (2002; R 2006) Sampling Bituminous MaterialsASTM INTERNATIONAL (ASTM)ASTM D 1250 (2007) Standard Guide for Use of the Petroleum Measurement TablesASTM D

25、 140 (2001; R 2007) Sampling Bituminous MaterialsASTM D 1556 (2007) Density and Unit Weight of Soil in Place by the Sand-Cone MethodASTM D 1557 (2007) Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Modified Effort (56,000 ft-lbf/ft3) (2700 kN-m/m3)ASTM D 1883 (2007) CB

26、R (California Bearing Ratio) of Laboratory-Compacted SoilsASTM D 2026 (1997; R 2004) Cutback Asphalt (Slow-Curing Type)ASTM D 2027 (1997; R 2004) Cutback Asphalt SECTION 32 11 27 Page 5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-(Medium-Curing Ty

27、pe)ASTM D 2028 (1997; R 2004) Cutback Asphalt (Rapid-Curing Type)ASTM D 2167 (1994; R 2001) Density and Unit Weight of Soil in Place by the Rubber Balloon MethodASTM D 2172 (2005) Quantitative Extraction of Bitumen from Bituminous Paving MixturesASTM D 4318 (2005) Liquid Limit, Plastic Limit, and Pl

28、asticity Index of SoilsASTM D 490 (1992; R 2005) Road TarASTM D 633 (1997; R 2005) Volume Correction Table for Road TarASTM D 6938 (2007a) Standard Test Method for In-Place Density and Water Content of Soil and Soil-Aggregate by Nuclear Methods (Shallow Depth)ASTM D 75 (2003) Standard Practice for S

29、ampling AggregatesASTM D 977 (2005) Emulsified AsphaltASTM D 979 (2001; R 2006e1) Sampling Bituminous Paving Mixtures1.3 DEFINITIONDegree of compaction is expressed as a percentage of the maximum density obtained by the test procedure in accordance with ASTM D 1557, abbreviated in this specification

30、 as percent laboratory maximum density.1.4 SYSTEM DESCRIPTION1.4.1 Source of Bituminous MaterialSubmit notification of the selected source of bituminous material to the Contracting Officer within 15 days after the award of contract.1.4.2 Stockpiling Materials*NOTE: This paragraph will be deleted whe

31、n select material is not required or when small quantities do not justify the inclusion of select materials.*Stockpile select material, including approved material available from excavation and grading in the manner and at the locations designated. Before stockpiling material, the storage sites shal

32、l be cleared, drained, and leveled. Stockpile separately materials obtained from different sources.SECTION 32 11 27 Page 6Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1.4.3 Plant, Equipment, Machines, and Tools1.4.3.1 General RequirementsPlant, eq

33、uipment, machines, and tools used in the work shall be subject to approval and shall be maintained in a satisfactory working condition at all times. Provide equipment with the capability of producing the required compaction, meeting grade controls, thickness control and smoothness requirements indic

34、ated.1.4.3.2 Bituminous DistributorProvide distributor with pneumatic tires that prevent rutting, shoving, or otherwise damaging base surface or other layers in the pavement structure. Distributor shall be designed and equipped to spray bituminous material in a uniform double or triple lap at the sp

35、ecified temperature, at variable widths, and at readily determined and controlled rates from 0.15 to 6.5 L/square meter 0.05 to 2.0 gallons/square yard with an allowable variation from the specified rate of plus or minus 5 percent and with a pressure range of 175 to 515 kPa 25 to 75 psi. Include wit

36、h distributor equipment a separate power unit for the bitumen pump, full-circulation spray bars, tachometer, pressure gauges, volume-measuring devices, adequate heaters for heating of materials to the proper application temperature, a thermometer for reading temperature of tank contents, and a hand

37、hose attachment suitable for applying bituminous material manually to areas inaccessible to the distributor. Distributor shall be equipped to circulate and agitate the bituminous material during the heating process.1.4.3.3 StraightedgeFurnish and maintain at the site, in good condition, one 3.05 3.6

38、6 meter10 12 foot straightedge for each bituminous paver, for use in the testing of the finished surface. Make straightedge available for government use. Construct straightedges of aluminum or other lightweight metal having blades of box or box-girder cross section with flat bottom reinforced to ins

39、ure rigidity and accuracy. Straightedges shall have handles to facilitate movement on pavement.1.5 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 s

40、hould be kept to the minimum required for adequate 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 t

41、he Contractors Quality Control system. Only 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“ SECTION 32 11

42、27 Page 7Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-designation to indicate the approving authority. Codes for Army projects using the Resident Management System (RMS) are: “AE“ for Architect-Engineer; “DO“ for District Office (Engineering Divis

43、ion 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 not used for Navy, Air Force, and NASA projects.Choose the first bracketed item for Navy, Air Force and NASA projects, or choose the s

44、econd bracketed item for Army projects.*Government approval is required for submittals with a “G“ designation; submittals not having a “G“ designation are for Contractor 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