365.1R-17: Report on Service Life Prediction

365.1R-17: Report on Service Life Prediction

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Description

This report presents information to the owner and design professional on the service life prediction of new and existing concrete structures. Key factors controlling the service life of concrete and methodologies for evaluating the condition of the existing concrete structures, including definitions of key physical properties, are also presented. This report assists in the application of available methods and tools to predict the service life of existing structures and provides procedures that can be taken at the design and construction stage to increase the service life of new structures. Techniques for predicting the service life of concrete and the relationship between economics and the service life of structures are discussed. Examples provided discuss which service life techniques are applied to concrete structures or structural components. Needed developments to improve the reliability of service life predictions are also identified.

Keywords: chemical attack; construction; corrosion; design; durability; rehabilitation; repair; service life; sustainability.

Document Details

Author: ACI Committee 365

Publication Year: 2017

Pages: 56.00

ISBN: 9781945487743

Formats: Printed Document or PDF

Table of Contents

CHAPTER 1—INTRODUCTION AND SCOPE

1.1—Introduction

1.2—Scope

CHAPTER 2—DEFINITIONS AND NOTATION

2.1—Definitions

2.2—Notation

CHAPTER 3—ENVIRONMENT, DESIGN, AND CONSTRUCTION CONSIDERATIONS

3.1—Introduction

3.2—Environmental considerations

3.3—Design and structural loading considerations

3.4—Interaction of structural load and environmental effects

3.5—Construction-related considerations

CHAPTER 4—IN-SERVICE INSPECTION, CONDITION ASSESSMENT, AND REMAINING SERVICE LIFE

4.1—Introduction

4.2—Preliminary condition assessment

4.3—Detailed structural assessments

4.4—Inspection and maintenance to maintain or predict structural reliability

CHAPTER 5—METHODS FOR PREDICTING THE SERVICE LIFE OF CONCRETE STRUCTURES

5.1—Introduction

5.2—Approaches for predicting service life of new concrete structures

5.3—Prediction of remaining service life of existing concrete structures

5.4—Predictions for existing structures based on extrapolations

5.5—Multi-species approaches

5.6—Summary

CHAPTER 6—ECONOMIC CONSIDERATIONS

6.1—Introduction

6.2—Life cycle cost analysis

6.3—Governing parameters in LCC analysis

6.4—Service life prediction and LCCA of concrete structures

6.5—Example

CHAPTER 7—EXAMPLES OF SERVICE LIFE TECHNIQUES

7.1—Introduction

7.2—Example 1: Relationship of amount of steel corrosion to time of spalling

7.3—Example 2: Use of multiple inputs to calculate life of structure

7.4—Example 3: When to repair or rehabilitate

7.5—Example 4: Use of reaction rate to calculate life of sewer pipe

7.6—Example 5: Estimating service life and maintenance demands of diaphragm wall exposed to saline groundwater

7.7—Example 6: Application of time-dependent reliability concepts to concrete slab

7.8—Example 7: Use of stochastic cumulative damage models to predict service life of concrete structures

7.9—Example 8: Probabilistic service life prediction

7.10—Example 9: Predicting chloride ingress in a marine environment for concrete with different cementitious materials

7.11—Example 10: Multi-ionic finite element transport model (parking structure)

CHAPTER 8—ONGOING WORK AND NEEDED DEVELOPMENTS

8.1—Introduction

8.2—Designing for durability

8.3—Needed developments

CHAPTER 9—REFERENCES

Authored documents

ERRATA INFO

Any applicable errata are included with individual documents at the time of purchase. Errata are not included for collections or sets of documents such as the Manual of Concrete Practice (MCP). For a listing of and access to all product errata, visit the Errata page.

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