ACI 329R 14:2014 Edition

$51.46

329R-14 Report on Performance-Based Requirements for Concrete

Published By	Publication Date	Number of Pages
ACI	2014	52

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Category: ACI

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Description

This report discusses the differences between performance and prescriptive requirements for concrete, and provides information on developing performance requirements as an alternative to the current prescriptive requirements in codes and specifications. Performance-based requirements allow the contractor and concrete producer to be more innovative in concrete applications, providing an element for sustainability of concrete construction. The essential elements of a performance-based requirement are reviewed, which include the desired performance characteristics, sampling and testing procedures to verify these characteristics, and acceptance criteria. Because acceptance criteria are crucial elements of effective performance specifications, factors to consider in developing criteria that distribute risks to the owner and members of the construction team are also discussed. Considerations for implementing performance-based requirements on a project are presented and development of performance-based requirements for durability emphasized. Alternative performance based requirements are proposed for the prescriptive durability requirements in ACI 318.

PDF Catalog

PDF Pages	PDF Title
3	TITLE PAGE
4	CHAPTER 1—INTRODUCTION 1.1—Background
6	1.2—Objective and scope 1.3—Performance-based requirements
7	1.4—Comparison of performance-based and prescriptive requirements
9	1.5—Sustainability and performance-based requirements
10	1.6—Responsibilities of involved parties
13	1.7—ACI codes and specifications
14	CHAPTER 2—DEFINITIONS
16	CHAPTER 3—ELEMENTS OF PERFORMANCE-BASED REQUIREMENTS 3.1—Quality characteristics 3.2—Prequalification, identity, and surrogate testing
17	3.3—Test methods
21	3.4—Point of sampling and testing
22	3.5—Acceptance criteria CHAPTER 4—DEVELOPMENT OF ACCEPTANCE CRITERIA 4.1—Introduction
23	4.2—Factors to consider
27	4.3—Setting acceptability limits
29	4.4—Actions when acceptance criteria are not satisfied CHAPTER 5—IMPLEMENTATION GUIDELINES 5.1—Introduction
30	5.2—Prebid conference 5.3—Pre-award meeting 5.4—Preconstruction conference
31	5.5—Bonus-penalty provisions
33	5.6—Challenges to successful implementation
36	CHAPTER 6—PRESCRIPTIVE DURABILITY REQUIREMENTS IN ACI 318 AND ACI 301 AND PERFORMANCE-BASED ALTERNATIVES 6.1—Review of existing prescriptive requirements for durability
40	6.2—Proposed alternative performance specifications for concrete
43	CHAPTER 7—SUMMARY AND FUTURE ACTIONS 7.1—Summary 7.2—Path forward
44	CHAPTER 8—REFERENCES
46	Authored documents