347.2R-17: Guide for Shoring/Reshoring of Concrete Multistory Buildings

347.2R-17: Guide for Shoring/Reshoring of Concrete Multistory Buildings

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Description

This guide presents information and design criteria for shoring/reshoring operations during the construction of reinforced and post-tensioned multistory buildings. Methods for developing safe construction practices, including sequencing and timing, as well as design examples, are provided. It is written for the use of formwork engineer/contractors and engineer/architects.

Keywords: construction loads; falsework; form removal; formwork; post-tensioning; reshoring; shoring.

 

Document Details

Author: ACI Committee 347

Publication Year: 2017

Pages: 28.00

ISBN: 9781945487514

Categories: Formwork

Formats: Printed Document, PDF, ePub, or Kindle

Table of Contents

CHAPTER 1—INTRODUCTION

1.2—Scope

CHAPTER 2—NOTATION AND DEFINITIONS

2.1—Notation

2.2—Definitions

CHAPTER 3—SHORING/RESHORING CONSTRUCTION NEEDS

3.1—Use of reshoring

3.2—Types of forming systems

CHAPTER 4—CONSTRUCTION LOADS ON FORMWORK

4.1—Construction loads

4.2—Load combinations

4.3—Typical construction phases

4.4—Construction load distribution

4.5—Application of the simplified method

4.6—Factors affecting the construction load distribution

4.7—Post-tensioning load redistribution

CHAPTER 5—STRENGTH OF CONCRETE SLABS AND FORMWORK

5.1—Early-age concrete material strength development

5.2—Construction load factors

5.3—Early-age strength of concrete slabs

5.4—Serviceability of concrete slabs

5.5—Strength of formwork

CHAPTER 6—CONSTRUCTION EXAMPLES

6.1—Two-way slab construction

6.2—Post-tensioned construction example

CHAPTER 7—REFERENCES

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