ACI 347R 2014 2021

$50.92

ACI PRC-347-14(21) Guide to Formwork for Concrete (Reapproved 2021)

Published By	Publication Date	Number of Pages
ACI	2014	40

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Category: ACI

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Description

Objectives of safety, quality, and economy are given priority in these guidelines for formwork. A section on contract documents explains the kind and amount of specification guidance the engineer/architect should provide for the contractor. The remainder of the guide advises the formwork engineer/contractor on the best ways to meet the specification requirements safely and economically. Separate chapters deal with design, construction, and materials for formwork. Considerations specific to architectural concrete are also outlined in a separate chapter. Other sections are devoted to formwork for bridges, shells, mass concrete, and underground work. The concluding chapter on formwork for special methods of construction includes slipforming, preplaced-aggregate concrete, tremie concrete, precast concrete, and prestressed concrete. Keywords: anchors; architectural concrete; coatings; construction; construction loads; contract documents; falsework; form ties; forms; formwork; foundations; quality control; reshoring; shoring; slipform construction; specifications; tolerances.

PDF Catalog

PDF Pages	PDF Title
3	TITLE PAGE
4	CHAPTER 1—INTRODUCTION AND SCOPE 1.1—Introduction 1.2—Scope CHAPTER 2—NOTATION AND DEFINITIONS 2.1—Notation 2.2—Definitions
5	CHAPTER 3—GENERAL CONSIDERATIONS 3.1—Achieving economy in formwork
6	3.2—Contract documents
7	CHAPTER 4—DESIGN 4.1—General
9	4.2—Loads
11	4.3—Member capacities 4.4—Safety factors for accessories
12	4.5—Shores 4.6—Bracing and lacing 4.7—Foundations for formwork
13	4.8—Settlement CHAPTER 5—CONSTRUCTION 5.1—Safety precautions
14	5.2—Construction practices and workmanship
15	5.3—Tolerances
16	5.4—Irregularities in formed surfaces 5.5—Shoring and centering
17	5.6—Inspection and adjustment of formwork 5.7—Removal of forms and supports
19	5.8—Shoring and reshoring of multistory structures
21	CHAPTER 6—MATERIALS 6.1—General 6.2—Properties of materials 6.3—Accessories
23	6.4—Form coatings and release agents CHAPTER 7—ARCHITECTURAL CONCRETE 7.1—Introduction
24	7.2—Role of architect
25	7.3—Materials and accessories 7.4—Design
26	7.5—Construction
27	7.6—Form removal CHAPTER 8—SPECIAL STRUCTURES 8.1—Discussion 8.2—Bridges and viaducts, including high piers
28	8.3—Structures designed for composite action 8.4—Folded plates, thin shells, and long-span roof structures
29	8.5—Mass concrete structures
30	8.6—Underground structures
31	CHAPTER 9—SPECIAL METHODS OF CONSTRUCTION 9.1—Preplaced-aggregate concrete 9.2—Slipforms
33	9.3—Permanent forms
34	9.4—Forms for prestressed concrete construction 9.5—Forms for site precasting
35	9.6—Use of precast concrete for forms 9.7—Forms for concrete placed under water
36	CHAPTER 10—REFERENCES
37	Authored references