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303R-04
This guide presents recommendations for producing cast-in-place architectural concrete. The importance of specified materials, forming, concrete placement, curing, additional treatment, and inspection, and their effect on the appearance of the finished product are discussed. Architectural concrete requires special construction techniques and materials, and each project will have special requirements. Specific recommendations and information presented in this guide should be used accordingly. Contents: Chapter 1—Introduction Chapter 2—Architectural considerations 2.1—Architectural features 2.2—Architectural design 2.3—Coatings and sealers 2.4—Joint sealants 2.5—Specifications Chapter 3—Structural considerations 3.1—Spalling 3.2—Deflections 3.3—Cracking 3.4—Joints 3.5—Beams and slabs 3.6—Columns 3.7—Walls Chapter 4—Forms 4.1—General 4.2—Materials 4.3—Economics 4.4—Formwork accuracy 4.5—Form joints 4.6—Textures and patterns 4.7—Formwork accessories 4.8—Form coatings and sealers 4.9—Form release agents 4.10—Form removal Chapter 5—Reinforcement 5.1—General 5.2—Clear space 5.3—Reinforcement supports and spacers 5.4—Tie wire 5.5—Zinc-coated (galvanized) steel reinforcement 5.6—Epoxy-coated reinforcing bars Chapter 6—Concrete materials and mixture proportioning 6.1—General 6.2—Materials 6.3—Proportioning, mixing, and temperature control Chapter 7—Placing and consolidation 7.1—Conveying and placing 7.2—Consolidation Chapter 8—Curing 8.1—General 8.2—Curing in forms 8.3—Moist curing 8.4—Membrane curing 8.5—Hot-weather curing Chapter 9—Treated architectural surfaces, 9.1—Surface retarders 9.2—High-pressure water jet 9.3—Acid wash 9.4—Abrasive blasting 9.5—Tooling or other mechanical treatments Chapter 10—Finishing and final cleanup 10.1—General 10.2—Tie holes 10.3—Blemish repair 10.4—Stain removal 10.5—Sealers and coatings Chapter 11—References 11.1—Referenced standards and reports 11.2—Cited references Appendix A—Architectural concrete photos |
ACI
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