26.4.1 Concrete Materials
(a) Cementitious materials shall conform to the specifications in Table 188.8.131.52.1(a).
|Portland cement||ASTM C150|
|Blended hydraulic cements||ASTM C595, excluding Type IS (≥70) and Type IT (S ≥ 70)|
|Expansive hydraulic cement||ASTM C845|
|Hydraulic cement||ASTM C1157|
|Fly ash and natural pozzolan||ASTM C618|
|Slag cement||ASTM C989|
|Silica fume||ASTM C1240|
(a) Aggregates shall conform to (1) or (2):
(1) Normalweight aggregate: ASTM C33.
(2) Lightweight aggregate: ASTM C330.
(b) Aggregates not conforming to ASTM C33 or ASTM C330 are permitted if they have been shown by test or actual service to produce concrete of adequate strength and durability and are approved by the building official.
(a) Mixing water shall conform to ASTM C1602.
(b) Mixing water, including that portion of mixing water contributed in the form of free moisture on aggregates, shall not contain deleterious amounts of chloride ion when used for prestressed concrete, for concrete that will contain aluminum embedments, or for concrete cast against stay-in-place galvanized steel forms.
(a) Admixtures shall conform to (1) through (4):
(1) Water reduction and setting time modification: ASTM C494.
(2) Producing flowing concrete: ASTM C1017.
(3) Air entrainment: ASTM C260.
(4) Inhibiting chloride-induced corrosion: ASTM C1582.
(c) Calcium chloride or admixtures containing chloride from sources other than impurities in admixture ingredients shall not be used in prestressed concrete, in concrete containing embedded aluminum, or in concrete cast against stay-in-place galvanized steel forms.