A critical section focuses on when and how to remove formwork, ensuring that the concrete has developed sufficient strength to support its own weight and any imposed loads [1].
This chapter focuses on the practical realities of a construction project. It contains critical advice on "Achieving economy in formwork" through the use of standard, readily available materials and repetition of design. More importantly, it provides a . This helps avoid costly change orders and misunderstandings. The section explicitly outlines what the engineer/architect must specify, including: aci 347r14 guide to formwork for concrete pdf
Formwork must be built precisely to ensure the final concrete structure meets architectural guidelines. ACI 347R-14 cross-references , establishing strict tolerances for deviation from plumb, elevation variations, and cross-sectional dimensions. Shoring and Reshoring A critical section focuses on when and how
is an industry-standard reference document published by the American Concrete Institute (ACI). It serves as the primary guide for architects, engineers, and contractors regarding the design, construction, and safety of formwork systems. More importantly, it provides a
| | Title | Core Focus | | :--- | :--- | :--- | | 1 | Introduction and Scope | Defines the document's purpose and application. | | 2 | Notation and Definitions | Provides a glossary of key terms (e.g., falsework, shores, form ties). | | 3 | General Considerations | Covers achieving economy in formwork and details for contract documents. | | 4 | Design | The technical core: loads, member capacities, safety factors, shores, and bracing. | | 5 | Construction | Practical guidance on safety, workmanship, tolerances, and form removal. | | 6 | Materials | Properties of wood, steel, aluminum, and accessories. | | 7 | Architectural Concrete | Special considerations for achieving high-quality surface finishes. | | 8 | Special Structures | Formwork for bridges, shells, mass concrete, and underground structures. | | 9 | Special Methods | Slipforming, precasting, permanent forms, and underwater concrete placement. | | 10 | References | Lists of other standards, codes, and research documents. |
ACI 347R-14 is a technical guide published by ACI Committee 347, a group of industry experts responsible for advancing formwork technology. First published in 1963 and updated at regular intervals, the 2014 edition incorporated a decade's worth of advancements since the previous 2004 version.
Disclaimer: This guide is an interpretation and summary. For official design calculations and contractual obligations, refer to the full "ACI 347R-14 Guide to Formwork for Concrete" PDF provided by the American Concrete Institute.