REQUIREMENTS FOR SPECIAL EXPOSURE CONDITIONS (From ACI 318M/318RM) (cont.)

f'c

ASTM C 33

[Maximum

(Min. 28-

Maximum

Range

Water-

Day Comp.

Nominal

of

Cement

[Air

Strength)

Aggregate

Slump

Ratio]

Entr.]

Location

(MPa)

(Size No.)

(mm)

(by weight)

(percent)

Beams and

reinforced

walls

[_____]

[25-100]

[_____]

Building

columns

[_____]

[25-100]

Pavement and

exterior slabs [_____]

[_____]

[25-75]

[_____]

Floor slabs

[_____]

Floor slabs

[_____]

[See Combined [_____]

[_____]

[_(a)_]

Aggregate

Gradation]

Floor toppings [_____]

[_____]

Walks, curbs,

and gutters

[_____]

Utility

structures

[_____]

Drainage

structures

[_____]

[_____]]

f'c

ASTM C 33

[Maximum

(Min. 28-

Maximum

Range

Water-

Day Comp.

Nominal

of

Cement

[Air

Strength) Aggregate

Slump

Ratio]

Entr.]

Location

(psi)

(Size No.)

(inches)

(by weight)

(percent)

[All areas]

[_____]

[Concrete

exposed

to weather

[4000]

[57]

[_____]

[0.50]

[6]

Floor slabs

[_____]

[See Combined [_____]

[_____]

[_(a)_]

Aggregate

Gradation]

All other

areas

[_____]

[_____]]

**************************************************************************

NOTE: Chlorides can cause corrosion of

reinforcement. Use 0.15 for reinforced concrete

exposed to chlorides in service, 1.00 for reinforced

concrete that is dry or protected from moisture in

SECTION 03300N

Page 20