1、*USACE / NAVFAC / AFCESA / NASA UFGS-03 70 00 (February 2010)-Preparing Activity: USACE (CW) SupersedingUFGS-03 70 00 (April 2006)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated April 2010*SECTION TABLE OF CONTENTSDIVISION 03 - CONCRETESECTION 03 70 00MASS CONCRETE
2、02/10PART 1 GENERAL1.1 UNIT PRICES1.1.1 Concrete for _1.1.1.1 Payment1.1.1.2 Measurement1.1.1.3 Unit of Measure1.1.2 Concrete in Blockouts1.1.2.1 Payment1.1.2.2 Measurement1.1.2.3 Unit of Measure1.1.3 Portland Cement1.1.3.1 Payment1.1.3.2 Measurement1.1.3.3 Unit of Measure1.1.4 Pozzolan (Except Sili
3、ca Fume)1.1.4.1 Payment1.1.4.2 Measurement1.1.4.3 Unit of Measure1.1.5 Ground Granulated Blast-Furnace Slag1.1.5.1 Payment1.1.5.2 Measurement1.1.5.3 Unit of Measure1.1.6 Water-Reducing Admixture (WRA)1.1.6.1 Payment1.1.6.2 Measurement1.1.6.3 Unit of Measure1.1.7 High-Range Water-Reducing Admixture (
4、HRWR)1.1.7.1 Payment1.1.7.2 Measurement1.1.7.3 Unit of Measure1.1.8 Silica Fume, Dry1.1.8.1 Payment1.1.8.2 Measurement1.1.8.3 Unit of Measure1.1.9 Silica Fume, SlurrySECTION 03 70 00 Page 1Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1.1.9.1 Payme
5、nt1.1.9.2 Measurement1.1.9.3 Unit of Measure1.2 REFERENCES1.3 SYSTEM DESCRIPTION1.3.1 Proportioning Responsibility1.3.2 Design Requirements1.3.3 Air Content1.3.4 Slump1.3.5 Construction Tolerances1.3.6 Tabulations and Definitions1.4 SUBMITTALS1.5 QUALITY ASSURANCE1.5.1 Government Preconstruction Tes
6、ting1.5.1.1 Aggregate Sources1.5.1.2 Cementitious Materials, Admixtures, and Curing Materials1.5.1.3 Materials for Mixture-Proportioning Studies1.5.2 Construction Testing by the Government1.5.2.1 General1.5.2.2 Testing Aggregates1.5.2.3 Cementitious Materials1.5.2.4 Cement from Prequalified Sources1
7、.5.2.5 Pozzolan from Prequalified Sources1.5.2.6 Cement from Nonprequalified Sources1.5.2.7 Pozzolan from Nonprequalified Sources1.5.2.8 Ground Granulated Blast-Furnace Slag1.5.2.9 Chemical Admixtures1.6 DELIVERY, STORAGE, AND HANDLING1.6.1 Cementitious Materials1.6.1.1 Transportation1.6.1.2 Storage
8、1.6.1.3 Separation of Materials1.6.2 Aggregates StoragePART 2 PRODUCTS2.1 MATERIALS2.1.1 Cementitious Materials2.1.1.1 Portland Cement2.1.1.2 Pozzolan Other than Silica Fume2.1.1.3 Ground Granulated Blast-Furnace Slag2.1.1.4 Silica Fume2.1.1.5 Temperature of Cementitious Materials2.1.2 Admixtures2.1
9、.2.1 Air-Entraining Admixtures2.1.2.2 Accelerating Admixture2.1.2.3 Retarding Admixture2.1.2.4 Water-Reducing Admixture2.1.2.5 High-Range Water-Reducing Admixture (HRWRA)2.1.2.6 Expansive Admixture2.1.3 Curing Materials2.1.3.1 Sheet Materials2.1.3.2 Membrane-Forming Curing Compound2.1.3.3 Burlap2.1.
10、4 Water2.1.5 Aggregates2.1.5.1 Aggregate Composition2.1.5.2 Quality of Aggregates2.1.5.3 GradingSECTION 03 70 00 Page 2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2.1.5.4 Particle Shape2.1.5.5 Nominal Maximum-Size of Aggregate2.1.5.6 Moisture Con
11、tent2.1.5.7 Commercial Concrete Aggregate Sources2.1.5.8 Government Furnished Concrete Aggregate Source2.1.6 Nonshrink Grout2.1.7 Packaged Dry Repair Materials2.1.8 Bonding Agents2.1.8.1 Latex Bonding Agent2.1.8.2 Epoxy Resin2.1.9 Surface Retarder2.2 PLANT AND EQUIPMENT2.2.1 Batch Plant2.2.2 Locatio
12、n2.2.3 Bins and Silos2.2.4 Batching Equipment2.2.5 Laboratory Areas2.2.6 Plant Layout Drawings2.2.7 Mixers2.2.7.1 Stationary Mixer Uniformity Requirements2.2.7.2 Truck Mixers2.2.8 Sampling Facilities2.2.9 Coarse Aggregate2.2.10 Transporting Equipment2.2.10.1 Buckets2.2.10.2 Trucks2.2.10.3 Chutes2.2.
13、10.4 Belt Conveyors2.2.10.5 Pump PlacementPART 3 EXECUTION3.1 PREPARATION FOR PLACING3.1.1 Vibrators3.1.2 Embedded Items3.1.3 Concrete on Earth Foundations3.1.4 Concrete on Rock Foundations3.1.5 Construction Joint Treatment3.1.5.1 Joint Preparation3.1.5.2 Air-Water Cutting3.1.5.3 High-Pressure Water
14、 Jet3.1.5.4 Wet Sandblasting3.1.5.5 Waste Water Disposal3.2 TRANSPORTING AND PLACING3.2.1 Transporting3.2.1.1 Transporting by Bucket3.2.1.2 Transporting by Pump3.2.1.3 Transporting by Belt Conveyor3.2.2 Placing3.2.2.1 Time Interval Between Mixing and Placing3.2.2.2 Hot-Weather Placing3.2.2.3 Cold We
15、ather Placing3.2.2.4 Special Temperature-Controlled Concrete3.2.2.5 Concrete Lifts3.2.2.6 Consolidation3.2.2.7 Placing Concrete in Unformed Curved Sections3.2.2.8 Placing Concrete Underwater3.3 FINISHING3.3.1 Unformed SurfacesSECTION 03 70 00 Page 3Provided by IHSNot for ResaleNo reproduction or net
16、working permitted without license from IHS-,-,-3.3.1.1 Float Finish3.3.1.2 Trowel Finish3.3.1.3 Broom Finish3.3.1.4 Abrasive Aggregate Finish3.3.1.5 High Velocity Finishes3.3.2 Formed Surface Repair3.3.2.1 Classes A, A-HV, providing admixtures such as HRWR admixtures that are a component of the slur
17、ry; and furnishing storage, batching, and recording equipment for silica fume, slurry, used in the concrete bid items. Payment for silica fume, slurry, will be made at the contract price per hundredweight of dry silica fume for:a. “Bid Item _a., first _ kilograms hundredweight.“SECTION 03 70 00 Page
18、 9Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-b. “Bid Item _b., all over _ kilograms hundredweight.1.1.9.2 MeasurementSilica fume, slurry, will be measured for payment based upon the number of kilograms hundredweight of silica fume used in the co
19、ncrete, excluding the amount wasted or used for the convenience of the Contractor. The quantity to be paid for will be determined by multiplying the weight in kilograms pounds of silica fume per cubic meter yard by the number of cubic meters yards of silica fume concrete placed within the pay lines
20、of the structure as determined in accordance with the concrete bid items , divided by 100. The dry weight will be determined by suppliers certificate.1.1.9.3 Unit of MeasureUnit of measure: kilograms hundredweight (100 pounds).1.2 REFERENCES*NOTE: This paragraph is used to list the publications cite
21、d 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 Reference feature when you add a RID outside of the Sections Reference Article t
22、o 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 section of the project specification when you choose to reconcile references in the p
23、ublish 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 117 (2006) Specifications for Tolerances for Concrete Construction and Materials a
24、nd CommentaryACI 214R (2002; Errata 2005) Evaluation of Strength Test Results of ConcreteACI 305R (1999; Errata 2006) Hot Weather ConcretingSECTION 03 70 00 Page 10Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMERICAN ASSOCIATION OF STATE HIGHWAY
25、AND TRANSPORTATION OFFICIALS (AASHTO)AASHTO M 182 (2005) Standard Specification for Burlap Cloth Made from Jute or Kenaf and Cotton MatsASTM INTERNATIONAL (ASTM)ASTM C 1059/C 1059M (1999; R 2008) Standard Specification for Latex Agents for Bonding Fresh to Hardened ConcreteASTM C 1064/C 1064M (2008)
26、 Standard Test Method for Temperature of Freshly Mixed Hydraulic-Cement ConcreteASTM C 1077 (2009b) Standard Practice for Laboratories Testing Concrete and Concrete Aggregates for Use in Construction and Criteria for Laboratory EvaluationASTM C 1107/C 1107M (2008) Standard Specification for Packaged
27、 Dry, Hydraulic-Cement Grout (Nonshrink)ASTM C 117 (2004) Standard Test Method for Materials Finer than 75-um (No. 200) Sieve in Mineral Aggregates by WashingASTM C 123 (2004) Standard Test Method for Lightweight Particles in AggregateASTM C 1240 (2005) Standard Specification for Silica Fume Used in
28、 Cementitious MixturesASTM C 1260 (2007) Standard Test Method for Potential Alkali Reactivity of Aggregates (Mortar-Bar Method)ASTM C 127 (2007) Standard Test Method for Density, Relative Density (Specific Gravity), and Absorption of Coarse AggregateASTM C 128 (2007a) Standard Test Method for Densit
29、y, 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) Standard Test Method for Sieve Analysis of Fine and Coarse Agg
30、regatesASTM C 142 (1997; R 2004) Standard Test Method for Clay Lumps and Friable Particles in AggregatesSECTION 03 70 00 Page 11Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ASTM C 143/C 143M (2009) Standard Test Method for Slump of Hydraulic-Cemen
31、t ConcreteASTM C 150/C 150M (2009) Standard Specification for Portland CementASTM C 1567 (2008) Standard Test Method for Potential Alkali-Silica Reactivity of Combinations of Cementitious Materials and Aggregate (Accelerated Mortar-Bar Method)ASTM C 171 (2007) Standard Specification for Sheet Materi
32、als for Curing ConcreteASTM C 172 (2008) Standard Practice for Sampling Freshly Mixed ConcreteASTM C 231 (2009a) Standard Test Method for Air Content of Freshly Mixed Concrete by the Pressure MethodASTM C 260 (2006) Standard Specification for Air-Entraining Admixtures for ConcreteASTM C 295 (2008) P
33、etrographic Examination of Aggregates for ConcreteASTM C 309 (2007) Standard Specification for Liquid Membrane-Forming Compounds for Curing ConcreteASTM C 31/C 31M (2009) Standard Practice for Making and Curing Concrete Test Specimens in the FieldASTM C 39/C 39M (2009) Standard Test Method for Compr
34、essive Strength of Cylindrical Concrete SpecimensASTM C 40 (2004) Standard Test Method for Organic Impurities in Fine Aggregates for ConcreteASTM C 441 (2005) Effectiveness of Pozzolansor Ground Blast-Furnace Slag in Preventing Excessive Expansion of Concrete Due to the Alkali-Silica ReactionASTM C
35、494/C 494M (2008a) Standard Specification for Chemical Admixtures for ConcreteASTM C 535 (2009) Standard Test Method for Resistance to Degradation of Large-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles MachineASTM C 566 (1997; R 2004) Standard Test Method for Total Evaporable Moist
36、ure Content of Aggregate by DryingASTM C 618 (2008a) Standard Specification for Coal SECTION 03 70 00 Page 12Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Fly Ash and Raw or Calcined Natural Pozzolan for Use in ConcreteASTM C 666/C 666M (2003; R 20
37、08) Resistance of Concrete to Rapid Freezing and ThawingASTM C 684 (1999; R 2003) Making, Accelerated Curing, and Testing Concrete Compression Test SpecimensASTM C 87 (2005) Effect of Organic Impurities in Fine Aggregate on Strength of MortarASTM C 881/C 881M (2002) Standard Specification for Epoxy-
38、Resin-Base Bonding Systems for ConcreteASTM C 928/C 928M (2008) Packaged, Dry, Rapid-Hardening Cementitious Materials for Concrete RepairsASTM C 937 (2002) Grout Fluidifier for Preplaced-Aggregate ConcreteASTM C 94/C 94M (2009a) Standard Specification for Ready-Mixed ConcreteASTM C 989 (2009a) Stand
39、ard Specification for Ground Granulated Blast-Furnace Slag for Use in Concrete and MortarsASTM D 4791 (2005e1) Flat Particles, Elongated Particles, or Flat and Elongated Particles in Coarse AggregateASTM E 11 (2009) Wire Cloth and Sieves for Testing PurposesNATIONAL INSTITUTE OF STANDARDS AND TECHNO
40、LOGY (NIST)NIST HB 44 (2010) NIST Handbook 44: Specifications, Tolerances, and other Technical Requirements for Weighing and Measuring DevicesNATIONAL READY MIXED CONCRETE ASSOCIATION (NRMCA)NRMCA CPMB 100 (2000) Concrete Plant StandardsU.S. ARMY CORPS OF ENGINEERS (USACE)COE CRD-C 100 (1975) Method
41、 of Sampling Concrete Aggregate and Aggregate Sources, and Selection of Material for TestingCOE CRD-C 104 (1980) Method of Calculation of the Fineness Modulus of AggregateCOE CRD-C 114 (1997) Test Method for Soundness of Aggregates by Freezing and Thawing of SECTION 03 70 00 Page 13Provided by IHSNo
42、t for ResaleNo reproduction or networking permitted without license from IHS-,-,-Concrete SpecimensCOE CRD-C 130 (2001) Standard Recommended Practice for Estimating Scratch Hardness of Coarse Aggregate ParticlesCOE CRD-C 143 (1962) Specifications for Meters for Automatic Indication of Moisture in Fi
43、ne AggregatesCOE CRD-C 144 (1992) Standard Test Method for Resistance of Rock to Freezing and ThawingCOE CRD-C 400 (1963) Requirements for Water for Use in Mixing or Curing ConcreteCOE CRD-C 521 (1981) Standard Test Method for Frequency and Amplitude of Vibrators for ConcreteCOE CRD-C 55 (1992) Test
44、 Method for Within-Batch Uniformity of Freshly Mixed ConcreteCOE CRD-C 94 (1995) Corps of Engineers Specification for Surface Retarders1.3 SYSTEM DESCRIPTIONConcrete shall be composed of cementitious materials, water, fine and coarse aggregates, and admixtures. The cementitious materials shall be po
45、rtland cement, portland cement in combination with pozzolan, portland cement in combination with _, portland blast-furnace slag cement portland cement in combination with ground granulated blast-furnace slag portland cement in combination with silica fume portland-pozzolan cement. The admixture shal
46、l be an air-entraining admixture or an air-entraining admixture plus a retarding admixture, a WRA, a HRWRA, or an accelerating admixture. A retarding admixture may be used at the request of the Contractor when approved. No other chemical admixtures than those listed above shall be used.1.3.1 Proportioning Responsibility*NOTE: The last optional sentence should be used if slow strength gain cementitious materials are to be used.*The concrete mixtures will be proportioned by the Contracting Officer. Preliminary mixture-p
