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This report provides information for the design of flexural concrete members in buildings post-tensioned with single-strand unbonded tendons. The report is intended to complement the commentary in ACI 318 and to provide suggestions for revisions and additions to ACI 318. Consideration is given to design for gravity and lateral loads, determination of fire endurance, design for seismic forces, and design for catastrophic loadings. Recommendations concerning details and properties of tendons, protection against corrosion, and construction procedures are presented.
The Collection Online includes all new committee standards and reports released throughout the year. The most recently added include:
PRC-546.3-23: Materials Selection for Concrete Repair—Guide
PRC-546-23: Concrete Repair—Guide
PRC-228.4-23: Visual Condition Survey of Concrete—Guide
SPEC-544.12-23: Performance-Based Fiber-Reinforced Concrete for Slabs-on-Ground and Overlays—Specification
SPEC-548.10-22: Type Methyl Methacrylate Slurry (MMS) Polymer Overlays for Bridge and Parking Garage Deck—Specification
CODE-437.2-22: Load Testing of Concrete Structures - Code and Commentary (SI Units)
PRC-440.2-23: Design and Construction of Externally Bonded Fiber-Reinforced Polymer (FRP) Systems for Strengthening Concrete Structures—Guide
PRC-225-23 Guide to the Selection and Use of Hydraulic Cements
350-20: Code Requirements for Environmental Engineering Concrete Structures (350-20) and Commentary (350R-20) (SI Units)
CODE-307-23: Requirements for Reinforced Concrete Chimneys—Code and Commentary