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Mix Design Concrete

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  • INPUT TYPE

    1 Extremely d 0.00 cm.2 Very stif 0.00 cm.3 Stif 0-2.5 cm.4 Stif plastic 2.5-7.5 cm.5 Plastic 7.5-12.5 cm.6 Flowing (Very 12.5-19.5 cm.

    INPUT TYPE 5 7.5-12.5

    = 175

    ( CONCRETE MIX DESIGN )

    ( type of cement ) ( specific gravity )

    slump

    slump

    ( 28 )

    ( maximum size ) ( specific gravity ) ( unit weight )

    ( sheet 2 TABLE A2.3.5.1(a)) slump

    ( moisture content ) ( absorption )

    ( specific gravity ) ( fine modulus ) ( moisture content ) ( absorption )

  • = 0.62 = 1

    MIX DESIGN

    ( )

    1

    ( ) ( )

    1

    ( ) ( )

  • ( ) ( )

  • 1= 3.15

    cm.

    = 250 ksc.

    = 40 mm.= 2.68= 1600 kg/m^3

    0.72100

    = 2 %= 0.5 %

    = 2.64= 2.80= 6.00 %= 0.7 %

    ( CONCRETE MIX DESIGN )

    ( type of cement )( specific gravity )

    )

    ( maximum size ) ( specific gravity )

    ( sheet 2 TABLE A2.3.5.1(a)) slump

    ( specific gravity )( fine modulus )

    /.

  • % = 282.258 kg/m^3= 1152 kg/m^3

    = 0.175 m^3= 0.090 m^3= 0.430 m^3= 0.01 m^3= 0.296 m^3= 780.235 kg

    175 kg 282.258 kg 5.645

    1152 kg780.235 kg

    2389.493 kg

    = 1175.040 kg= 827.049 kg= 1.500 %= 5.300 %= 116.368 kg

    116.368 kg 282.258 kg 5.645

    1175.040 kg827.049 kg

    2400.715 kg3

    349.103 kg

    1 ( )

    ( ) ( )

    1 ( )

    ( ) ( )

    .

  • 846.774 kg 16.935 3525.120 kg2481.147 kg7202.144 kg

  • Table A 2.3.4.3 RELATIONSHIPS BETWEEN WATER - CEMENT RATIO Water - cement ratio , by weight

    Compressive strength Non-air-entrained Air-entrainedat 28 days , kgf/cm^2 concrete concrete

    150 0.80 0.71 160 0.78 0.69 170 0.76 0.67 180 0.74 0.65 200 0.70 0.61 210 0.68 0.59 220 0.67 0.58 230 0.65 0.56 240 0.64 0.55 250 0.62 0.53 260 0.61 0.52 270 0.59 0.50 280 0.58 0.49 290 0.56 0.47 300 0.55 0.46 310 0.54 0.45 320 0.52 0.44 330 0.51 0.42 340 0.49 0.41 350 0.48 0.40 360 0.47 0.39 370 0.46 0.38 380 0.45 0.36 390 0.44 0.35

  • 400 0.43 0.34 410 0.42 0.33 420 0.41 0.32 430 0.40 0.31 440 0.39 0.30 450 0.38 0.29 460 0.37 0.28 470 0.36 0.27 480 0.35 0.26 490 0.34 0.25 500 0.33 0.24

  • Table A 2.3.4.3 RELATIONSHIPS BETWEEN WATER - CEMENT RATIO Water - cement ratio , by weight

    INPUT TYPE 10

    1 Extremely dry 0.00 2 Very stif 0.00 3 Stif 0-2.54 Stif plastic 2.5-7.5 205.00 5 Plastic 7.5-12.5 225.00 6 Flowing (Very Plast 12.5-19.5 240.00

    3.00

    150 0.80 INPUT TY160 0.78 170 0.76 1 180 0.74 2 200 0.70 3 210 0.68 4 220 0.67 5 230 0.65 6 240 0.64 250 0.62 260 0.61 270 0.59 280 0.58 290 0.56 300 0.55

    slump

    slump (cm.)

    %

  • 310 0.54 320 0.52 330 0.51 340 0.49 350 0.48 360 0.47 370 0.46 380 0.45 390 0.44 400 0.43 410 0.42 420 0.41 430 0.40 440 0.39 450 0.38 460 0.37 470 0.36 480 0.35 490 0.34 500 0.33

  • 12.5 20 25 40 50 75

    200 185 180 160 155 145215 200 195 175 170 160230 210 205 185 180 1702.5 2 1.5 1 0.5 0.3

    10.0 15.0

    Extremely dry 0.00 190 170 Very stif 0.00 160 145 Stif 0-2.5 135 130 Stif plastic 2.5-7.5 108 106 Plastic 7.5-12.5 100 100 Flowing (Very Plas12.5-19.5 97 98

    1 ..

    1 .. (mm.)

    slump (cm.)

    %

  • 150

    125140

    0.2

    20.0 25.0 40.0

    145 140 130 130 125 125 115 115 120 104 106 109 100 100 100 100 100 100

    (mm.)

  • TABLE A2.3.5.1(a) VOLUME OF COARSE

    CONCRETE (METRIC) OF PLASTIC CONSISTENCY ( 8-13 CM SLUMP )

    MAXIMUM SIZE FINENESS MODULUS OF SAND

    OF AGGREGATE MM. 2.40 2.50

    10.00 0.50 0.49 15.00 0.59 0.58 20.00 0.66 0.65 25.00 0.71 0.70 40.00 0.76 0.75

    TABLE A2.3.5.1(b) VOLUME OF COARSE AGGREGATE PER UNIT VOLUME OF CONCRETE FOR DIFFERENT CONSISTENCIES

    Percentage of the values shown in table A2.3.5.1(a)Slump

    Description cm. 10.0

    Extremely dry - 190

  • Very stif - 160 Stif 0-2.5 135 Stif Plastic 2.5-7.5 108 Plastic 7.5-12.5 100 Flowing 12.5-19 97

    Table A 2.2.3.1 (c) APPROXIMATE MIXING WATER REQUIREMENTS FOR DIFFERENT CONSISTENCIES AND MAXIMUM SIZES OF AGGREGATES

    ConsistencyDescription Slump, cm.

    1 Extremely dry -2 Very stif -3 Stif 0-2.54 Stif plastic 2.5-7.55 Plastic 7.5-12.56 Flowing 12.5-19

    Approximate amount of entrapped air in non-air-entrained concrete , %

    1 Extremely dry -2 Very stif -3 Stif 0-2.54 Stif plastic 2.5-7.55 Plastic 7.5-12.56 Flowing 12.5-19

    Recommended average total air content , %

  • CONCRETE (METRIC) OF PLASTIC CONSISTENCY ( 8-13 CM SLUMP )

    FINENESS MODULUS OF SAND

    2.60 2.70 2.80 2.90 0.48 0.47 0.46 0.45 0.57 0.56 0.55 0.54 0.64 0.63 0.62 0.61 0.69 0.68 0.67 0.66 0.74 0.73 0.72 0.71

    TABLE A2.3.5.1(b) VOLUME OF COARSE AGGREGATE PER UNIT VOLUME OF CONCRETE FOR DIFFERENT CONSISTENCIES

    Percentage of the values shown in table A2.3.5.1(a) ( mm.)

    12.5 20.0 25.0 40.0

    170 145 140 130

  • 145 130 125 125 130 115 115 120 106 104 106 109 100 100 100 100 98 100 100 100

    Table A 2.2.3.1 (c) APPROXIMATE MIXING WATER REQUIREMENTS FOR DIFFERENT CONSISTENCIES AND MAXIMUM SIZES OF AGGREGATES

    Water , kg/m^3 of concrete for indicated Relative water max. sizes of coarse aggregate in mm. content, % 10.0 15.0 20.0 Non-air-entrained concrete

    78 178 169 157 83 187 187 169 88 199 193 178 92 208 199 187

    100 228 217 199 106 243 228 214

    3.0 2.5 2.0 Air-entrained concrete

    78 157 148 139 83 169 157 148 88 178 169 157 92 187 175 166

    100 202 193 178 106 217 208 193

    Recommended average total air content , % 8.0 7.0 6.0

  • Table A 2.3.4.3 RELATIONSHIPS BETWEEN WATER - CEMENT RATIO

    Compressive strengthat 28 days , kgf/cm^2

    150 160 170

    3.00 180 0.44 200 0.53 210 0.60 220 0.65 230 0.70 240

    250 260 270 280 290 300 310 320 330 340 350 360 370

  • 380 390 400 410 420 430 440 450 460

    Water , kg/m^3 of concrete for indicated 470 max. sizes of coarse aggregate in mm. 480

    25.0 40.0 490 500

    148 139 157 148 169 157 178 163 193 178 208 187

    1.5 1.0

    133 125 139 133 148 139 157 148 178 157 187 169 5.0 4.5

  • Table A 2.3.4.3 RELATIONSHIPS BETWEEN WATER - CEMENT RATIO Water - cement ratio , by weight

    Compressive strength Non-air-entrained Air-entrainedat 28 days , kgf/cm^2 concrete concrete

    0.80 0.71 0.78 0.69 0.76 0.67 0.74 0.65 0.70 0.61 0.68 0.59 0.67 0.58 0.65 0.56 0.64 0.55 0.62 0.53 0.61 0.52 0.59 0.50 0.58 0.49 0.56 0.47 0.55 0.46 0.54 0.45 0.52 0.44 0.51 0.42 0.49 0.41 0.48 0.40 0.47 0.39 0.46 0.38

  • 0.45 0.36 0.44 0.35 0.43 0.34 0.42 0.33 0.41 0.32 0.40 0.31 0.39 0.30 0.38 0.29 0.37 0.28 0.36 0.27 0.35 0.26 0.34 0.25 0.33 0.24

  • CODE NAME SALARY10AA 600020BB 650030CC 700040DD 800050EE 15000

    40DD 800030

    MIX (LAB)wcRatioSheet2Sheet3

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