ACI 350 2R ERTA-2009 Concrete Structures for Containment of Hazardous Materials《危险材料密封用混凝土结构》.pdf

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1、 ERRATA as of July 23rd, 2009 ACI 350.2R-04 Concrete Structures for Containment of Hazardous Materials 1stprinting Reported by ACI Committee 350 Table 2.1, page 3, revised as: Last revised 07-23-09, 7:35 a.m. Table 2.1Wall thickness and reinforcement locations based on concrete placement considerati

2、on Description Wall height Minimum thickness Reinforcement location Cast-in-place concrete Over 10 ft (3000 mm) 12 in. (300 mm) Both faces 4 to 10 ft (1200 to 3000 mm) 10 in. (250 mm) Both faces Less than 4 ft (1200 mm) 6 in. (150 mm) Center of wall Precast concrete 4 ft (1200 mm) or more 8 in. (200

3、 mm) Center of wall Less than 4 ft (1200 mm) 4 in. (100 mm) Center of wall Description Minimum wall thickness Tendon prestressed concrete tanks See ACI 350 Wrapped prestressed concrete tanks See ACI 350 Note: Placement windows (temporary openings in the forms) or tremies are recommended to facilitate concrete placement in cast-in-place walls greater than 6 ft (1800 mm) in height.