Proposed ACI Standard Recommended Practice for Manufactured Reinforced Concrete Floor and Roof Units

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Title: Proposed ACI Standard Recommended Practice for Manufactured Reinforced Concrete Floor and Roof Units

Author(s): ACI-ASCE Committee 512

Publication: Journal Proceedings

Volume: 63

Issue: 6

Appears on pages(s): 625-636

Keywords: acceptance;anchorage;bearing length;bond stress;camber;composite construction;cover;cracking;deflection;durablity;erection;floors;load bearing capacity;manufacturing;openings;precast concrete;reinforcement;ridgidity; roofs;spalling;storage;strength.

Date: 6/1/1966

Abstract:
Recommendations are made for the design, manufacture, and erection of precast reinforced concrete floor and roof units having spans of 35 ft (1 1 m) or less. Unit stress, ultimate strength, and a test method of strength design are recommended. Recommendations are made regarding bearing lengths, bar spacings, minimum reinforcement, and holes. Quality requirements and acceptance procedures are discussed. Prestressed concrete members are not covered in the report.