ml-tqm-04-01 list of useful aci tables
TRANSCRIPT
-
8/3/2019 ML-TQM-04-01 List of Useful ACI Tables...
1/3
Sta. Clara Intl. Corporation
USEFUL ACI TABLES INSELECTION OF
PROPORTIONS FORNORMAL CONCRETE
Doc. Code : ML-TQM-04-01
Rev. No. : 0
Eff. Date : Mar. 11, 2009
Page : 1 of 3
Project / Plant : Location :
1. ACI Table A 1.5.2.1 Recommended Slumps for Various Types of Construction
Types of ConstructionSlump , cm
Maximum * Minimum
Reinforced foundation walls and footings 8 2
Plain footings, caissons, and substructure walls 8 2
Beams and reinforced walls 10 2
Buildings and columns 10 2
Pavements and Slab 8 2
Heavy mass concrete 8 2
* - May be increased 2 cm for methods of consolidation other than vibrations
2. ACI Table A1.5.2.3 Approximate Mixing Water Requirements for Different Slumps andMaximum Sizes of Aggregates *
Slump, cm Water, kg/m of concrete for indicated maximum sizes of
aggregates in mm
10 12.5 20 25 40 50 70 150
Non-air entrained concrete
3 to 5 205 200 185 180 160 155 145 125
8 to 10 225 215 200 195 175 170 160 140
15 to 18 240 230 210 205 185 180 170 -
Approximate amount of entrapped air in non air-entrained concrete, %
3 2.5 2 1.5 1 0.5 0.3 0.2
Air-entrained concrete
3 to 5 130 175 165 160 155 145 135 120
8 to 10 200 190 180 175 160 155 150 135
15 to 18 215 205 190 185 170 165 160 -
Recommended average total air content, % 8 7 6 5 4.5 4 3.5 3* - These quantities of mixing water are for use in computing cement factors for trial batches. They
are maxima for reasonably well-shaped angular coarse aggregate graded within limits of acceptedSpecifications.
- The slump values for concrete containing aggregate larger than 40mm are based on slump tests
After removal of particles larger than 40mm by wet-screening.
3. ACI Table A1.5.2.4(a) RELATIONSHIPS BETWEEN WATER-CEMENT RATIO AND
COMPRESSIVE STRENGTH OF CONCRETECompressive Strength at 28 days,
kgf/cmWater-Cement Ratio, by Weight
Non-air entrained concrete Air-entrained Concrete
450 0.38 -
400 0.43 -350 0.48 0.40
300 0.55 0.46
250 0.62 0.53
200 0.70 0.61
150 0.80 0.71
-
8/3/2019 ML-TQM-04-01 List of Useful ACI Tables...
2/3
Sta. Clara Intl. Corporation
USEFUL ACI TABLES INSELECTION OF
PROPORTIONS FORNORMAL CONCRETE
Doc. Code : ML-TQM-04-01
Rev. No. : 0
Eff. Date : Mar. 11, 2009
Page : 2 of 3
Values are estimated average strengths for concrete containing not more than the percentage of air shown in
Table A1.5.2.3. For constant water-cement ratio, the strength of concrete is reduced as the air content is
increased.Strength is based on 15 x 30cm cylinders moist-cured 28 days at 231.7C in accordance with Section 9(b) of ASTM C31
for Making and Curing Concrete Compression and Flexure Test Specimens in the Field. Cube strengths will be higher by
approximately 20 per cent
Relationship assumes maximum size of aggregate about 0 to 30 mm; for a given source, strength produced by a given
water-cement ratio will increase as maximum size decreases; see Sections 3.4 and 5.3.2
4. ACI Table A1.5.2.4(b) MAXIMUM PERMISSIBLE WATER-CONTENT RATIOS FOR CONCRETEIN SEVERE EXPOSURES*
Type of Structure Structure wet continuously orfrequently and exposed to
freezing and thawing
Structure exposed to seawater or sulfates
Thin sections (railings, curbs, sills,ledges, ornamental work) and sectionswith less than 3 cm cover over steel.
0.45 0.40
All other structures 0.50 0.45
* Based on the report of ACI Committee 201, Durability of Concrete in Service, previously citedConcrete should also be air-entrained
If sulfate resisting cement (Type II or Type V of ASTM C150) is used, permissible water-cement ratio may be increased
by 0.05.
5. ACI Table A1.5.2.6 VOLUME OF COARSE AGGREGATE PER UNIT OF VOLUME OFCONCRETE
Maximum Size ofAggregate, mm. Volume of rodded-coarse aggregate
per unit of concrete for different finenessmoduli of sand
2.40 2.60 2.80 3.00
10 0.50 0.48 0.46 0.44
12.5 0.59 0.57 0.55 0.53
20 0.66 0.64 0.62 0.60
25 0.71 0.69 0.67 0.65
40 0.76 0.74 0.72 0.70
50 0.78 0.76 0.74 0.7270 0.81 0.79 0.77 0.75
150 0.87 0.85 0.83 0.81
Volumes are based on aggregates in dry-rodded condition as described in ASTM C29 for Unit Weight Of
AggregatesThese volumes are selected from empirical relationships to produce concrete with a degree of workability
suitable for usual reinforced construction. For less workable concrete such as required for concrete pavementconstruction they may be increased about 10 per cent. For more workable concrete, such as may sometimes berequired when placement is to be by pumping, they may be reduced up to 10 per cent.
Fineness modulus of sand = sum of ratios (cumulative) retained o sieves with square openings of 0.19, 0.297,
0.595, 1.19, 2.38 and 4.76mm.
-
8/3/2019 ML-TQM-04-01 List of Useful ACI Tables...
3/3
Sta. Clara Intl. Corporation
USEFUL ACI TABLES INSELECTION OF
PROPORTIONS FORNORMAL CONCRETE
Doc. Code : ML-TQM-04-01
Rev. No. : 0
Eff. Date : Mar. 11, 2009
Page : 3 of 3
6. ACI Table A1.5.2.7.1 FIRST ESTIMATE OF WEIGHT OF FRESH CONCRETE
Maximum Size of Aggregate, mm. First estimate of concrete weight , kg/m
Non-air-entrained concrete Air-entrained concrete
10 2285 2190
12.5 2315 2235
20 2355 2280
25 2375 2315
40 2420 235550 2445 2375
70 2465 2400
150 2505 2435
Values calculated by Eq. (A1..5.2.7) for concrete of medium richness (30 kg. of cement per m) and medium
slump with aggregate specific gravity of 2.7. Water requirements based on values of 8 to 10 cm slump in TableA1.5.2.3. If desired, the estimate of weight may be refined as follows if necessary information is available: for
each 5 kg difference in mixing water from the Table A1.5.2.3 values for 8 to 10 cm slump, correct the weight perm 8 kg in the opposite direction; for each 20 kg difference in cement from 330 kg, correct the weight per m3 kg
in the same direction; for each 0.1 by which aggregate specific gravity deviates from 2.7, correct the concreteweight 70 kg in the same direction
.