Aci 211

 

211.1-2

ACI COMMITTEE  REPORT

211.1-7 Chapter 5-Background data, p. 211.1-7 Chapter  6-Procedure, Chapter   6-Procedure,  p. 211.1-7 211 .1-7 Chapter  7-Sample   7-Sample  computations, p. 211.1-13 Chapter  8-References, Chapter   8-References,  p. 211.1-18 Appendix Appe ndix 1-Me 1-Metric tric system system adapt adaptation ation Appendix  2-Example  problem in metric system

2.2 Appendix  3-Laboratory  3-Laboratory   tests Appendix 4-Heavyweig Appendix  4-Heavyweight ht concrete mix proportioning Appendix 5-Mass concrete mix proportioning

2.3 CHAPTER  1 - SCOPE 1.1

2.4 1.2

1.3

1.4

CHAPTER 2 -- INTRODUCTION

2.5

2.1

CHAPTER 3 -- BASIC RELATIONSHIP

3.1

 

PROPORTIONS FOR NORMAL, HEAVYWEIGHT, HEAVYWEIGHT, AND MASS MASS CONCRETE

3.2

3.6

3 .3

3.7

3.4 3.8

3.5

211.1-3

 

211.1-4

ACI COMMITT COMMITTEE EE REPORT REPORT

CHAPTER CHAPTE R 4--EFFECTS 4--EFFECTS OF CHE CHEMIC MICAL AL AD ADMIX MIXTUR TURES, ES, POZZOLANIC, AND OTHER MATERIALS ON CONCRETE PROPORTIONS 4.1

4.2

4.3

 ,

 

PROPORTIONS FOR NORMAL, HEAVYWEIGHT, AND MASS CONCRETE

4.4

C.

 

211.1-5

211.1-6

 

ACI COMMITTEE REPORT

4.4.2

4.4.3

4.4.1

4.4.4

 

PROPORTIONS FOR NORMAL, HEAVYWEIGHT, AND MASS CONCRETE

211.1 7

6.2.1

6.2.2 6.2.3 6.2.4 6.2.5 6.2.6 6.2.7

6.3 CHAPTER  5  -- BACKGROUND DATA

5.1

3

6.3.1

--

5.2

5.2.1 5.2.2 5.2.3

Table 6.3.1   Recommended slumps for various types of construction*

 -

5.2.4 3

5.2.5

3

1

5.2.6

5.2.7 6.3.2

5.3

CHAP APT TER 6 -- PROC PROCED EDUR URE E 6.1 The

6.2

 --

 

PROPORTIONS FOR NORMAL, HEAVYWEIGHT, AND MASS CONCRETE

211.1-9

6.3.4

Table  6.3.4(a) Table 6.3.4(a) Relationship between watercement or water-cementitious  materials ratio and compressive strength of concrete

 -

.

 

211.1-10

ACI COMMITTEE REPORT

Table 6.3.4(b) Table  6.3.4(b) Maximum permissible watercement or water-cementitious  materials ratios  for  concrete In severe exposures*

 -

F w =

c+p

= =

 ,

w c+ c+pp

w

c+p

-w c

w

 

 

C 

                                  

    



 

ACI ACI COMMllTEE  REPORT

=

-

Table 6.3.6   Volume of coarse aggregate per  unit of volume of concrete

 -

 

Tab Table 6.3 6.3.7. .7.1 1 concrete

  - First estimate of weight of fresh

PROPORTIONS FOR NORMAL, HEAVYWEIGHT, AND MASS CONCRETE

211.1-13

3

6.3.9

  =

6.3.7.2

6.3.9.1

6.3.8

6.3.9.2

6.3.9.3 6.3.8.1

6.3.9.4

CHAP CH APTER TER 7 -- SAMP SAMPLE LE COMPUTATIONS COMPUTATIONS

6.3.8.2 7.1

7.1.1 

SSD indicates saturated-surface-dry saturated-surface-dry  basis used in considering aggregate displacement. The  aggregate specific gravity used in calculations must be consistent with the moisture condition assumed in the basic aggregate batch weights -- i.e., i.e., b bulk ulk dry dry if  aggregate weights are stated on a dry basis, and bulk SSD if weights are stated on a saturated-surface-dry   basis. saturated-surface-dry

 

211.1-14

The  The   specific gravity values are not used if proportions are  are  selected to provide a weight of concrete assumed to occupy 1 yd’.

ACI COMMITT COMMITTEE EE REPORT

7.1.2

7.1.3

7.1.4

7.2

7.2.7.2

7.2.1

7.2.2 7.2.3

7.2.4

7.2.5

7.2.6

7.2.7 7.2.7.3

7.2.7.1 The specific gravity values are not used if proportions are selected to provide a weight of concrete assumed to occupy 1 This  is not the specified strength used for structunl design but a higher figure expected to be produced produced   on the average. For the method of determining the amount by which average strength should exceed design strength, see ACI 214. 

 Aggregate absorption of 0.5 percent is disregarded since its magnitude is unconsequential in relocation to other approximations.

 

PROPORTIONS FOR NORMAL, HEAVYWEIGHT, AND MASS CONCRETE

211.1-15

7.2.8

7.2.9.2

7.2.9.3

7.2.9.4

7.2.9

7.2.10

7.2.10.1

7.2.9.1

7.2.10.2 

Saturated-surface-dry

 

211.1-16

ACI COMMITTEE REPORT

7.2.10.3

7.2.10.4

7.2.10.5

7.3

7.3.1 7.3.2 7.3.3

7.3.4

7.3.5

 

PROPORTIONS FOR NORMAL, HEAVYWEIGHT, AND MASS CONCRETE

211.1-17

7.3.6

7.3.7.3

7.3.7

7.3.7.1

7.3.8

7.3.7.2

7.3.9

 

211.1-18

ACI COMMITTEE REPORT

7.3.9.1

7.3.10

CHAPTER 8 -- REFERENCES

8.1

7.3.9.2

7.3.9.3

7.3.9.4

 

PROPORTIONS FOR NORMAL, HEAVYWEIGHT, AND MASS CONCRETE

211.1-19

C

8.2

Proceedings

8.3

Engineer  Manual No.

 Joint Research Laboratory Publication No. 17,

Proportioning Concrete Mixes, SP-46 ,

 

211.1-20

ACI COMMITTEE REPORT

 ,

 ,

 ,

Mix

 

                                  



    

 



                               

    

 

                                  



    

 



                               

    

PROPORTIONS FOR NORMAL, HEAVYWEIGHT, AND MASS CONCRETE  

-

A2.2.10.5

A2.2.9.4  The 3

211.1-25

Total

A2.2.10

A2.2.10.1 3

3

A2.2.10.2

2.70 + 0.34 + 0.81 =

0.0201

  192

kg 

A2.2.10.3

of

A2.2.10.4

 

211.1-26

ACI COMM COMMITT ITTEE REPORT

APPENDIX 3 -- LABORATORY TESTS

A.3.1 A3.3.3

A3.2

A3.2.1

 , A3.2.2

A3.4

A3.4.1

A3.3

A3.3.1 A3.4.2

A3.3.2 A3.4.3 In

 

PROPORTIONS FOR NORMAL, HEAVYWEIGHT, AND MASS CONCRETE

TABLE A3.4.1

-

  TYPICAL TEST PROGRAM TO ESTABLISH CONCRETE-MAKING PROPERTIES OF LOCAL MATERIALS

Cubic yard batch quantities, lb Mix No.

Coarse  

Cement

450 550 600

 

Sand

Aggregate

I375 I250 1335 1290 1210 1165

1810 I875 1875 1875 I875 1875

Concrete characteristics

Water 

 

Est im Es im at ated

Us ed ed

325 345 345 345 345 345

350 340 345 345 345 345

Total used

4035 3965 3955 3960 3980

Slump in. 4 3

4.5 4 3

3.5

A3.4.4

A3.5.1.2

211.1-27

A3.4.5

TABLE A3.6.1  CONCRETE MIXES FOR SMALL JOBS

-

.

A3.4.6

Approximate weights of solid ingredients per cu ft of ft of concrete, lb

Nominal maximum size of  aggre-

A3.5 A3.5.1

gate, i n.

Sand*

 

Mix designation

 

Coarse aggregate

 

AirConcrete Gravel or Iron blast entrained without furnace Cement air    stone   slag

A

25

48

 

51

54

47

A3.5.1.1 23

 

41

45

66

 

C

22 22 22

41 39 37

 

45 43 41

70 72 74

  A B C

20 20 20

 

45 43 41

75 77 79

A B

2

A B C

     

19 19 19

*Weights are for dry sand If damp sand wet sand

IS used,

   

 

41 39 37

40 38 36

IS used,

 

45 43 41

 

79 81 83

58  

61 63 65 65 67 69

 

69 71 72

increase tabulated weight of sand 2 lb and. i f  very

4 lb  concrete should be used mall structures which will be exposed to alternate cycle\ of 

freezing freezing ad thaw thawing ing Air-entrainment can be   obtained by the use of an   air-entraining  cement or by addi adding ng a an n air-entraining air-entraining admixtur admixture e If an admixture admixture i i ss   used, the amount recommended by the manufacturer  will, in  most cases, prod produce uce the desired air content

 



                               

    

 

                                  



    

 

211.1-30

ACI COMMITTE COMMITTEE E REPORT

APPENDIX 5  -- MASS CONCRETE MIX PROPORTIONING

A5.1

A5.2

A5.3 A5.3.1

  --

A5.3.1.1

 

PROPORTIONS FOR NORMAL, HEAVYWEIGHT, AND MASS CONCRETE

 I

-.-.

0

I

2

 

3

 

4

 

7

TIME IN DAVS

 

26

211.1-31

Fineness

ASTM C 115

Cement

2

cm  /gm

Type

28 Day  of  Hydration Heat of  Hydration Calor Calories ies per per gm

1790

87

1890

76

2030 1910

A5.3.2

A5.3.1.2

A5.3.2.1

A5.3.1.3

 



                               

    

 

                                  



    

 

211.1-34

ACI COMMITTEE REPORT

-

TABLE TABLE A5.9  QUANTITIES OF MATERIALS SUGGESTED FOR  A5.9 CONCRETE PROPORTIONING TRIAL MIXTURES Quantities of aggregates, lb (kg)

Coarse aggregates Nominal maximum size aggregate in mixture

Fine

in. in. (mm) (mm)

aggregate

(19) 11 /2  (37.5) 3 (75)

(544) (454) 2000 (907) 3000 (1361)

6

(150)

N o. 4 t o i n. (4.75 mm to 19 mm) (19

1200

1200 (544) 1000 (454) 1500 1500 (680) (680)

1000

 

2000 (907)

 

 

11 /2  in. to 3 in. i n. t o 1 i n. 37.5 mm) (37.5 to 75 mm)

-

1000  (454) 1000  (454) 1500   ((6 680)

   

 

-

2 0 0 0 (9 0 7 )

3 in. to 6 (75 mm to 150

   

2500 (1134)

Note 1 The actual actual quantity of mater materials ials required required depen depends ds upon the laborato laboratory ry equipment availability of materials,  and extent of the testing  program

Note Note 2 If a pozzolan or fly ash  i s  t o be   used  in the the concrete, the quantity quantity furnished shou should ld be 35 percent of the weight of the the cement Note 3 One pal pal (3 8) of   a propose proposed d air-entra air-entraining ining admixtur admixture e or chemical chemical admixture admixture   will be sufficient

 

-

3000 (1361)

 

Cement, lb.

40 400 0 (18 (181) 1) 40 400 0 (1 (181 81)) 50 500 0 (2 (227 27)) 700 ((3 318)

A5.6.1

A5.6.2

  --

A5.5

  --

A5.6

 

PROPORTIONS FOR NORMAL, HEAVYWEIGHT, AND MASS CONCRETE

A5.6.3

=

A5.6.4 A5.6.8

211.1-35

A5.6.5 A5.6.9

a

A5.6.10

100

A5.6.11 A5.6.12

A5.6.6

A5.7

A5.6.7

V 

 

= 

 

Cw

 

Cw

,

 

 

211.1-36

A5.7.1

ACI COMMITTEE REPORT

A5.7.3

A5.7.2

A5.7.4

 mm)

A5.7.5

A5.7.6

 

PROPORTION PROP ORTIONS S FOR NORM NORMAL, AL, HEAV HEAVYWEIGH YWEIGHT, T, AND MASS MASS CONCR CONCRETE ETE

 

3  i n

mm)

211.1-37



A5.7.7

--

 = 0.032 (27) yd or =0.86 (0.032(1.0) A5.7.8

375

  = 3.15(62.4) 222 0.0 3.15(1000)

=

=1.91 A5.7.9

  -  = 1.91(1-0.25) =1.43 cu ft/cu ft/cu yd  o r  (0.070   (0.070 (1 - 0.25) = 0.052  m

 =

= 1.91(0.25)   0.48 cu ft/cu yd or  (0.070(0.25)

A5.7.10

 

ACI COMMITTEE REPORT

211.1-38

A5.7.11

Material

 -Absolute volume x specific gravity x 62.4

Portlan Por tlandce dcemen mentt 1.4 1.43(3 3(3.15) .15)62. 62.4 4 0.48(2.45)62.4 Water 2.88( I .00) .00)62. 62.4 4 Air  0.86 Fine aggregate 4.70(2.64)62.4 Coarse aggregate

 

Pozzolan

lb/cu   yd

(kg/m3)

281( 167) 73 (43)  1  180( 80( 10 107) 7) 774(459)S.S.D.*

No. 16.65(0.15)(2.68)62.4   418(248)S.S.D.* (4.75 -19 mm)   in. (1 (19m 9mm-7 m-75 5 m m ) 16.65 16.65(0. (0.15 15)(2 )(2.7 .70) 0)62 62.4 .4   421(250)S.S.D.*

I

 --

  in.

(75mm-150 mm) 16.65(0 16.65(0.25)( .25)(2.70)6 2.70)62.4 2.4 701(416)S.S 701(416)S.S.D.* .D.*

3-6 in.

( 150-300  mm)

16.65(0 16.6 5(0.45 .45)(2 )(2.72) .72)62. 62.4 4

127 1272(7 2(755) 55)S.S. S.S.D.* D.*

*Weights based   on   aggregates in a saturated-surface-dry

A5.8

 --

condition.

A5.7.12

 ,

A5.7.13

Material

 --

Absolute volume 3 3 3 3 ft  /yd ( m  /m )

Weight Ib/yd 3(kg/m3)

1.43(0.052) 0.48(0.018) 2.88(0.107) 0.86(0.032) 4.70(0.174)

281 281   (167) 73 (43) 180(107)

  in. (4.75 -19 mm)

2.50(0.093)

418   (248)S.S.D.*

( 19mm-75 mm)

2.50(0.093)

421   (250)S.S.D.*

4.16(0.154)

701   (416)S.S.D.*

7.49(0.277)

1272  (755)S.S.D.*

Portland cement Pozzolan Water  Air  Fine aggregate

774   (459)S.S.D.*

No.

 in. (75mm-150 mm) 3-6 in. (150-300   mm) Total

27.00(1.000) 27.00(1 .000)

 ,

4120 ( 2444)

*Weights are based on aggregate in a saturated-surface-dty condition.

 ,