ARMY UFGS-31 60 00-2008 FOUNDATION PREPARATION《挖地基》.pdf

1、*USACE / NAVFAC / AFCESA / NASA UFGS-31 60 00 (November 2008)-Preparing Activity: USACE (CW) SupersedingUFGS-31 60 00 (April 2006)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated October 2008*SECTION TABLE OF CONTENTSDIVISION 31 - EARTHWORKSECTION 31 60 00FOUNDATION

2、 PREPARATION11/08PART 1 GENERAL1.1 UNIT PRICES1.1.1 Preliminary Cleanup1.1.1.1 Payment1.1.1.2 Measurement1.1.1.3 Unit of Measure1.1.2 Final Cleanup1.1.2.1 Payment1.1.2.2 Measurement1.1.2.3 Unit of measure1.1.3 Foundation Preparation1.1.3.1 Payment1.1.3.2 Measurement1.1.3.3 Unit of measure1.1.4 Denta

3、l Concrete1.1.4.1 Payment1.1.4.2 Measurement1.1.4.3 Unit of measure1.1.5 Dental Mortar1.1.5.1 Payment1.1.5.2 Measurement1.1.5.3 Unit of measure1.1.6 Shotcrete1.1.6.1 Payment1.1.6.2 Measurement1.1.6.3 Unit of measure1.1.7 Protective Coating1.1.7.1 Payment1.1.7.2 Measurement1.1.7.3 Unit of measure1.2

4、REFERENCES1.3 DEFINITIONS1.3.1 Foundations1.3.2 Rock Joints1.4 SUBMITTALSSECTION 31 60 00 Page 1Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-PART 2 PRODUCTS2.1 MATERIALS2.1.1 Dental Concrete2.1.2 Dental Mortar2.1.3 Shotcrete2.1.4 Welded Wire Fabri

5、c2.1.5 Filter MaterialPART 3 EXECUTION3.1 EXAMINATION3.2 PREPARATION3.2.1 Equipment3.2.1.1 Tools3.2.1.2 Air Jet3.2.1.3 Air/Water Jet3.2.1.4 Water Jet3.3 PRELIMINARY CLEANUP3.4 FINAL CLEANUP AND FOUNDATION PREPARATION3.5 DENTAL TREATMENT3.5.1 Dental Concrete3.5.2 Dental Mortar3.6 PROTECTIVE TREATMENT

6、3.6.1 Wetting3.6.2 Shotcrete3.6.3 Protective Coating3.6.4 Protective Backfill3.6.5 Protective Concrete3.6.6 Temporary Earth Cover3.7 TESTS3.7.1 General3.7.1.1 Equipment3.7.1.2 Foundation Excavation3.7.1.3 Inspection, Mapping, and Cleanup3.7.1.4 Specialized operations3.7.2 Reports3.8 FOUNDATION INSPE

7、CTION AND GEOLOGIC MAPPING- End of Section Table of Contents -SECTION 31 60 00 Page 2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-*USACE / NAVFAC / AFCESA / NASA UFGS-31 60 00 (November 2008)-Preparing Activity: USACE (CW) SupersedingUFGS-31 60 00

8、 (April 2006)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated October 2008*SECTION 31 60 00FOUNDATION PREPARATION11/08*NOTE: This guide specification covers the requirements for embankments and concrete structures placed on rock foundations, including all operations

9、 on the rock surface to make that surface acceptable for the placement of embankment or concrete.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

10、 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 to the technical proponent of the specification. A listing of technical proponents, including their organization designati

11、on and telephone number, is on the Internet.Recommended changes to a UFGS should be submitted as a Criteria Change Request (CCR).*PART 1 GENERAL*NOTE: This section is not complete, but should normally be incorporated into the sections dealing with EARTHWORK, and/or CONCRETE, or a separate section on

12、 FOUNDATION PREPARATION may be included in the project specifications.*1.1 UNIT PRICES*NOTE: If Section 01 22 00.00 10 MEASUREMENT AND PAYMENT is included in the project specifications, SECTION 31 60 00 Page 3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from I

13、HS-,-,-this paragraph title (UNIT PRICES) should be deleted from this section and the remaining appropriately edited subparagraphs below should be inserted into Section 01 22 00.00 10.*1.1.1 Preliminary Cleanup1.1.1.1 PaymentPayment will be made for costs for each preliminary cleanup satisfactorily

14、performed at the direction of the Contracting Officer. Payment will be made for each cleanup of the same area if more than one cleanup has been directed and satisfactorily performed.1.1.1.2 MeasurementPreliminary cleanup will be measured for payment by determining the area cleaned to the nearest squ

15、are meter yard.1.1.1.3 Unit of MeasureUnit of measure: square meter yard.1.1.2 Final Cleanup1.1.2.1 PaymentPayment will be made for costs associated with final cleanup of the area for each type of foundation preparation that has been satisfactorily prepared. Where preliminary cleanup has been direct

16、ed and performed and the Contractor subsequently performs final cleanup, payment will be made for preliminary cleanup. Payment will not be made for any cleanup subsequent to final cleanup.1.1.2.2 MeasurementFinal cleanup will be measured for payment by determining the area cleaned to the nearest squ

17、are meter yard.1.1.2.3 Unit of measureSquare meter yard.1.1.3 Foundation Preparation1.1.3.1 PaymentPayment will be made for costs associated with foundation preparation of the area for each type of foundation preparation that has been satisfactorily prepared. Where preliminary cleanup has been direc

18、ted and performed and the Contractor subsequently performs foundation preparation, payment will be made for foundation preparation. Payment will not be made for more than one foundation preparation of the same area.1.1.3.2 MeasurementFoundation preparation will be measured for payment by determining

19、 the area prepared to the nearest square meter yard.SECTION 31 60 00 Page 4Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1.1.3.3 Unit of measureSquare meter yard.1.1.4 Dental Concrete1.1.4.1 PaymentPayment will be made for costs associated with den

20、tal concrete placed.1.1.4.2 MeasurementDental concrete will be measured for payment by determining the volume to the nearest one-tenth cubic meter yard.1.1.4.3 Unit of measureCubic meter yard.1.1.5 Dental Mortar1.1.5.1 PaymentPayment will be made for costs associated with dental mortar placed.1.1.5.

21、2 MeasurementDental mortar will be measured for payment by determining the volume to the nearest one-tenth cubic meter yard.1.1.5.3 Unit of measureCubic meter yard.1.1.6 Shotcrete1.1.6.1 PaymentPayment will be made for costs associated with shotcrete satisfactorily placed.1.1.6.2 MeasurementShotcret

22、e will be measured for payment by determining the area satisfactorily covered to the nearest square meter yard.1.1.6.3 Unit of measureSquare meter yard.1.1.7 Protective Coating1.1.7.1 PaymentPayment will be made for costs associated with protective coating satisfactorily applied. Separate payment wi

23、ll not be made for reapplication necessary due to damage by construction activities, fault or negligence of the Contractor, or failure of the Contractor to prosecute the SECTION 31 60 00 Page 5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-work in a

24、 timely manner. Otherwise, separate payment shall be made for each reapplication directed and satisfactorily performed.1.1.7.2 MeasurementProtective coating will be measured for payment by determining the area satisfactorily covered to the nearest square meter yard.1.1.7.3 Unit of measureSquare mete

25、r yard.1.2 REFERENCES*NOTE: This paragraph is used to list the publications cited in the text of the guide 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

26、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 the text will automatically be deleted from this secti

27、on 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 basic designation only.ACI INTERNATIONAL (ACI)ACI 50

28、6.2 (1995) Specification for ShotcreteASTM INTERNATIONAL (ASTM)ASTM A 185/A 185M (2007) Standard Specification for Steel Welded Wire Reinforcement, Plain, for ConcreteASTM C 270 (2008a) Standard Specification for Mortar for Unit MasonryASTM C 387/C 387M (2006a) Standard Specification for Packaged, D

29、ry, Combined Materials for Mortar and ConcreteSECTION 31 60 00 Page 6Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1.3 DEFINITIONS1.3.1 FoundationsThe rock foundation is comprised of the rock surfaces upon which embankment and concrete structures a

30、re placed. Vertical surfaces, where permitted or required by these specifications, are included.1.3.2 Rock JointsRock joints are all planar and/or curvilinear fractures, including cracks, crevices, and seams which separate a rock mass into individual rock blocks of various sizes. They may be open or

31、 closed and may be filled with material other than rock material.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 r

32、equired 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 the Contractors Quality Control

33、 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“ designation to indicate the approving author

34、ity. Codes for 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“

35、 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 second bracketed item for Army projects.*Government approval is required for submittals with a “G“ designation; submittals not having a “G“ designation

36、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 with Section 01 33 00 SUBMITTAL PROCEDURES:SD-03 Product DataSECTION 31 60

37、00 Page 7Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Tools; G; G, _Tabular list of light power tools to be used in lieu of hand tools, for approval prior to their use on the job site.PART 2 PRODUCTS2.1 MATERIALS2.1.1 Dental Concrete*NOTE: Select

38、the appropriate alternatives.*Dental concrete shall conform to the requirements of Section _ _ ASTM C 387/C 387M, normal weight and strength.2.1.2 Dental MortarDental mortar shall conform with ASTM C 270 or ASTM C 387/C 387M, Type N.2.1.3 Shotcrete*NOTE: Select appropriate alternative.*Shotcrete sha

39、ll conform to the requirements of Section 03 37 13 SHOTCRETE ACI 506.2. The compressive strength of the concrete shall be 27.6 MPa 4000 psi.2.1.4 Welded Wire FabricWelded wire fabric used shall be 150 by 150 mm 6 by 6 inches - W3 x W3, conforming to ASTM A 185/A 185M.2.1.5 Filter Material*NOTES: Inf

40、ormation on the design of filter materials can be found in the Engineering Manual (ER) 1110-2-1901, “Seepage Analysis and Control for Dam,“ ER 1110-2-2300, “Earth and Rock Fill Dams General Design and Construction Considerations.The Specifier should use the first paragraph if there is a concrete sec

41、tion, an embankment for earth dams, or a stone protection section in the specifications and if the gradation therein is satisfactory for filter materials. If there is no concrete section, or if the gradation therein is unsatisfactory for filter materials, the Specifier should use the second paragrap

42、h.*Filter material shall consist of sand and gravel and crushed stone. Sand and gravel and crushed stone for filter materials shall meet the SECTION 31 60 00 Page 8Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-applicable requirements of Section 03

43、70 00 MASS CONCRETE, paragraph MATERIALS Section 35 31 19 STONE, CHANNEL, SHORELINE/COASTAL PROTECTION FOR STRUCTURES, paragraph MATERIALS, Section 35 73 13 EMBANKMENT FOR EARTH DAMS, paragraph MATERIALS. Filter material shall consist of Sand, Gravel, Crushed Stone. The filter material shall be composed of tough, durable particles, reasonably free from thin, flat and elongated pieces, and shall contain no or