ACI PRC-408.3-09 Guide for Lap Splice and Development Length of High Relative Rib Area Reinf Bars in Tension & Commenta

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This guide provides recommended requirements to determine tension development and splice lengths for high relative rib area bar reinforcement, which are not in commercial production in the U.S. at the time of publication. When such requirements are applicable for a project, the user may incorporate the information in this guide into a legal document; however, this guide is not an ACI standard and shall not be adopted by reference into legal documents. To assist the user to incorporate the information into a legal document, the relevant portion of the document is written in mandatory language. A commentary to the mandatory language portion is provided for additional information. Commentary provisions begin with an “R,” such as “R1.1.1,” and are shown in italics.

Keywords: bar reinforcement; bar ribs; bond; development length; high relative rib area; lap splice length.


Document Details

Author: ACI-ASCE Committee 408

Publication Year: 2009

Pages: 8

ISBN: 9780870313462

Categories: Bond

Formats: PDF

Table of Contents

Chapter 1—Introduction

Chapter 2—Scope

Chapter 3—Notation and definitions



Chapter 4—Development of high relative rib area bar reinforcement in tension

Chapter 5—Lap splices of high relative rib area bar reinforcement in tension

Chapter 6—References

6.1—Referenced standards and reports

6.2—Cited references

Appendix A—Recommended supplement to ASTM A615/A615M for high relative rib area bars

A.1––Requirements for deformations

A.2––Relative rib area

A.3––Type of steel

A.4––Referenced documents


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