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Revision Date 6 2010 Contractor High Performance Bridge Concrete Mix Design

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Revision Date 6 2010 Contractor High Performance Bridge Concrete Mix Design Powered By Docstoc
					                                                                                 Revision Date 6/2010

               Contractor High Performance Bridge Concrete Mix Design
                                   Submittal Sheet

Submit to: Concrete Engineering Specialist                  SP Number:
           Office of Materials and Road Research
           1400 Gervais Avenue
           Maplewood, MN 55109
           Office: 651.366.5335
           Fax: 651.366.5530
           Email: conc1off.dot@state.mn.us


                Requested by:
              Company Name:
                    Address:

                        Phone:
                   Cell Phone:
                          Fax:
          Concrete Contractor:
      (if other than requester)


      Agency Representative:
                   Agency:
               Agency Fax:

             Place an "X" in the boxes below that apply.


                         Contractor Mix Design - Attached

                         Job Mix Formula (JMF) - Attached

                         Special Provisions (if required)




            Submitter:                                                   Date:




8/22/2011
                                                      Contractor Mix Design                                   Revision Dtae 6/2010



                                                                               JMF Number:

     Requested By:                                                           S.P. Number:
   Company Name:                                                    Agency Representative:
           Phone:                                                             Agency Fax:
              Fax:                                                                Agency:
   Ready-Mix Plant:

Proposed Aggregate, Cementitious (CM) and Admixtures Sources
                     CA #1        CA #2       CA #3       CA #4                   Sand #1       Sand #2
         Pit Number
           Pit Name
       Size/Fraction
     Specific Gravity
         Absorption
    Aggregate Class
                                                                                                Specific
                          Manufacturer/Supplier      Mill/Plant/Admix Name      Type/Class      Gravity
            Cement                                                                               3.15
            Fly Ash
            GGBFS
          Other CM                                                                  AEA
       AEA-Admix #1
          Admix # 2
           Admix #3

Proposed Mix Designs                (All weights are in lbs/cy, aggregates are considered to be Oven Dry, the unit weight of water is
                                    62.4 lbs/cf, admixtures dosages are in oz/100# CM or oz/cy, volume of mix is 27.00 cf +/- 0.10 cf)
Mn/DOT Mix Number
                Water
              Cement
               Fly Ash
              GGBFS
            Other CM
         W/CM Ratio
              Sand #1
              Sand #2
                CA #1
                CA #2
                CA #3
                CA #4
       % Air Content
   Max Slump Range
Admix #1 Dos Range
Admix #2 Dos Range
Admix #3 Dos Range
               Volume
 (27.00 cf +/- 0.10 cf)
The Concrete Engineer reviews the Contractor's concrete mix design submittal and approves the materials and mix design based on
compliance with contract. Final approval for payment is based on satisfactory field placement and performance.
  Concrete Engineering Specialist                                                                     Date:

         Comments:




        8/22/2011
                                                                     Job Mix Formula (JMF)                                                         Revision Date 6/2010


                                                                                                                                          JMF
                  Mix Numbers:                                                                                                             SP

                                 CA #1        CA #2        CA #3     CA #4       FA #1       FA #2               TOTAL % WORKING            JMF             TOTAL %
 AGGREGATE SIZE                                                                                                  PASSING RANGE            WORKING           RETAINED
 PROPORTION, %                                                                                                      0.00% LIMITS           RANGE
              2"                                                                                                              ±5
           1 1/2"                                                                                                             ±5
              1"                                                                                                              ±5
            3/4"                                                                                                              ±5
            1/2"                                                                                                              ±5
            3/8"                                                                                                              ±5
             #4                                                                                                               ±5
             #8                                                                                                               ±4
             #16                                                                                                              ±4
             #30                                                                                                              ±4
             #50                                                                                                              ±3
            #100                                                                                                              ±2
            #200                                                                                                         ± 1.6% max

                              Workability                                     Coarseness
                                 Factor                                          Factor
                             (% passing #8)                   (% retained above 3/8" / % retained above #8)


                                 Combined Gradation Chart                                             100            Sieve Sizes Raised to 0.45 Power
                  25
                                                                                                            90
                                                                                                            80                                  Ideal Combined
                  20                                                                                        70
                                                                                                            60
     % RETAINED




                  15

                                                                                                % Passing
                                                                                                            50

                  10                                                                                        40
                                                                                                            30
                   5                                                                                        20
                                                                                                            10
                   0
                                                                                                             0

                                              SIEVE SIZE
                                                                                                                                  Sieve Sizes


8/22/2011                                                                       Page 3
                                                                                        Job Mix Formula (JMF)                                                                 Revision Date 6/2010


                                                                                                                                                                 JMF
                                    Mix Numbers:                                                                                                                  SP

    MINIMUM          MAXIMUM
    RETAINED         RETAINED
                                               Coarseness Factor Chart                                                    Zone I - Indicates that a mixture is gap-graded and has a high
         Zone I: FOR gap-graded
   FOR INCENTCoarse INCENT tends to                                 "0" - Optimum but excellent control required          potential for segregation during placement and/or consolidation
        0segregate         0                                        "1" - Excellent but caution 1.366
                                                                     2"           2.0000                                  due to a deficiency in intermediate particles. These mixtures are
         Zone II: Well graded 2" thru 3/4"                          "2" - Excellent paving & slip form construction
                           0
        0Zone III: 3/4" minus mixtures                               1/2"         1.5000         1.200
                                                                   1"3" - High quality slab, highly workable              likely not cohesive. Mixtures plotting in this zone may result
        0Zone IV: Sticky - 0
                           excessive fines                           1"           1.0000
                                                                    "4" - All-around mixture for1.000purposes
                                                                                                 many                     in local cracking, blistering, spalling, and scaling.
        0Zone V: Rocky - 10non-plastic                              "5" -
                                                                    3/4"Varies to material & const. needs
                                                                                  0.7500         0.879
     45 8                 20                                        1/2"         0.5000    0.732                          Zone II - Indicates an optimum mixture for concrete with nominal
        8                 20                                        3/8"         0.3750    0.643                          maximum aggregate size from 2" through 3/4". Mixtures in this
        8
        8
                          20
                          20       C IV                              #4
                                                                     #8
                                                                                 0.1870
                                                                                 0.094
                                                                                           0.470
                                                                                      Workability Box
                                                                                           0.345
                                                                                                                          zone generally produce consistent, high-quality concrete.
                                                                                                                          Sub-zones are:
        8
     40 8
                          20
                          20                                       II#16
                                                                     #30
                                                                                 0.047
                                                                                 0.023
                                                                                           0.252
                                                                                           0.185                          "0" - The combined rounded or cubically crushed stone and
        0
        0
                          20
                           8
                                                                     #50
                                                                    #100
                                                                      4
                                                                                 0.012
                                                                                 0.006
                                                                                       III 0.135
                                                                                           0.099
                                                                                                                          well-graded natural sand are in balance. It requires excellent
                                                                                                                          control of aggregate grading and prevention of segregation in
       0.0                8.0                                       #200         0.003     0.072                          the stockpile.
                                                   5                            B
                                                                                                                          "1" - Similar to "0" but it is more flexible.
                         35                                                                                               "2" - Excellent for slip-formed construction with good particle

                                          I   A            3
                                                                                                                          shape aggregates and control.
                                                                                                                          "3" - Good slip-form concrete. Highly workable for gravel or
                                                                                                                          cubically crushed stone mixtures and has been pumped for

                                                                                    V
    Workability Factor




                                                                                                                          bridge decks. May be used for formed flat work.

                         30                        2                                                                      "4" - All-around mixture for many purposes including placement
                                                                                                                          in reinforced vertical construction.
                                                       0                                                                  "5" - A zone where problem aggregates or equipment problems
                                                               1                                                          make it necessary to have more than the desirable amount of
                                                                                                                          fine mortar in a mixture.

                         25
                                                                                                                          Zone III - Indicates an optimum mixture for maximum nominal
                                                                                                                          aggregate sizes smaller than 3/4 inch.


                                                                                                                          Zone IV - Indicates excessive fines and high potential for
                                                                                                                          segregation during consolidation and finishing. Such mixtures will
                         20
                                                                                                                          likely produce variable strength, high skrinkage, cracking, curling,
                              100    90       80     70     60      50        40        30        20         10       0   spalling and scaling.
                                              Coarseness Factor
                                                                                   Placement Techniques
                                                                              A - Slipform       C - Hand                 Zone V - Indicates a mixture that has an excessive amount
                                                                              B - Form & Place
                                                                                                                          of coarse and intermediate aggregate and is not plastic.



8/22/2011                                                                                              Page 4

				
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