ACI PRC-444.2-21: Structural Health Monitoring Technologies for Concrete Structures - Report

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Description

This report gives an overview of structural health monitoring (SHM) technologies for concrete structures. Data processing, analysis, and interpretation are not addressed in this document.

Keywords:

sensors; structural health monitoring (SHM); structures; technology.

 

Document Details

Author: ACI Committee 444

Pages: 110

ISBN: 9781641951449

Formats: Printed Document or Protected PDF/Web View

Table of Contents

CHAPTER 1—INTRODUCTION AND SCOPE, p. 2

1.1—Introduction, p. 2

1.2—Scope, p. 2

CHAPTER 2—DEFINITIONS, p. 2

CHAPTER 3—CONSIDERATIONS FOR IMPLEMENTATION OF SHM SYSTEMS, p. 3

3.1—Purpose of structural health monitoring (SHM), p. 3

3.2—Pertinent characteristics of concrete structures, p. 6

CHAPTER 4—SENSORS FOR STRUCTURAL RESPONSE, p. 12

4.1—Acoustic emission (AE) sensors, p. 12

4.2—Conductive surface sensors, p. 16

4.3—Digital image correlation (DIC) technique, p. 19

4.4—Displacement sensors, p. 24

4.5—Fiber-optic sensors (FOSs), p. 26

4.6—Light detection and ranging (LIDAR), p. 34

4.7—Synthetic aperture radar imaging (RADAR), p. 39

4.8—Strain sensors, p. 44

4.9—Tilt sensors, p. 49

4.10—Vibration sensors, p. 51

CHAPTER 5—SENSORS FOR ENVIRONMENTAL CONDITIONS AND LOADS, p. 54

5.1—Chloride ion sensors, p. 55

5.2—Corrosion sensors, p. 57

5.3—Humidity sensors, p. 61

5.4—Load cells, p. 64

5.5—pH sensors, p. 67

5.6—Piezometers, p. 67

5.7—Temperature sensors, p. 72

5.8—Weigh-in-motion (WIM) sensors, p. 76

5.9—Weather station, p. 80

CHAPTER 6—SUPPORTING TECHNOLOGIES AND SYSTEMS, p. 85

6.1—Energy harvesting, p. 85

6.2—Micro-electromechanical systems (MEMS) for sensors, p. 87

6.3—Wireless sensor networks (WSNs), p. 92

CHAPTER 7—REFERENCES, p. 96

Authored documents, p. 98

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