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ACI 349.2R 2007 2020

ACI 349.2R 2007 2020

$56.60

ACI PRC-349.2-07(20) Guide to the Concrete Capacity Design (CCD) Method – Embedment Design Examples (Reapproved 2020)

Published By Publication Date Number of Pages
ACI 2007 95
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ACI 349 Appendix B was developed in the mid 1970s following review of design methods and available test data. Since that time there has been extensive additional test data. In 1992, a task group was formed to compare the Appendix B methodology to that of the Concrete Capacity Design (CCD) Method for all available tests results. The review indicated that concrete breakout failures were predicted better (for example, for bolt groups, and edge conditions) by the new prediction equations in the Concrete Capacity Design Method than by the design method of Appendix B. After extensive review, ACI 349 chose to incorporate the Concrete Capacity Design Method to improve the requirements of the previous Appendix B. Therefore, Appendix D of ACI 349 was developed to better define the design requirements for steel embedments. Revisions are periodically made to the code as a result of on-going research and testing. As with other concrete building codes, the design of steel embedments attempts to assure a ductile failure mode so that the embedment reinforcement yields before the concrete fails. In embedments designed for direct [or tensile] loading, the concrete pullout strength must be greater than the tensile strength of the steel. This report presents a series of design examples of ductile steel embedments. These examples have been updated to include the revision incorporated in Appendix D of ACI 349-06. Keywords: Anchorage (structural); anchor bolts; anchors (fasteners); concrete capacity design (CCD); embedment; inserts; load transfer; studs.

PDF Catalog

PDF Pages PDF Title
3 TITLE PAGE
4 INTRODUCTION
NOTATION
6 COMMENTARY
7 PART A—Examples: Ductile single embedded element in semi-infinite concrete
24 PART B—Examples: Ductile multiple embedded elements in semi-infinite concrete
68 APPENDIX A—TABLES
73 APPENDIX B of 349.2R
ACI 349, Appendix D, Code and Commentary(Appendix Commentary follows the Code)
APPENDIX D—ANCHORING TO CONCRETE

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ACI 349.2R 2007 2020
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