ACI 444.2 2021

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

Published By	Publication Date	Number of Pages
ACI	2021

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Category: ACI

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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.

PDF Catalog

PDF Pages	PDF Title
3	TITLE PAGE
4	CHAPTER 1—INTRODUCTION AND SCOPE 1.1—Introduction 1.2—Scope CHAPTER 2—DEFINITIONS
5	CHAPTER 3—CONSIDERATIONS FOR IMPLEMENTATION OF SHM SYSTEMS 3.1—Purpose of structural health monitoring (SHM)
8	3.2—Pertinent characteristics of concrete structures
14	CHAPTER 4—SENSORS FOR STRUCTURAL RESPONSE 4.1—Acoustic emission (AE) sensors
18	4.2—Conductive surface sensors
21	4.3—Digital image correlation (DIC) technique
26	4.4—Displacement sensors
28	4.5—Fiber-optic sensors (FOSs)
36	4.6—Light detection and ranging (LIDAR)
41	4.7—Synthetic aperture radar imaging (RADAR)
46	4.8—Strain sensors
51	4.9—Tilt sensors
53	4.10—Vibration sensors
56	CHAPTER 5—SENSORS FOR ENVIRONMENTAL CONDITIONS AND LOADS
57	5.1—Chloride ion sensors
59	5.2—Corrosion sensors
63	5.3—Humidity sensors
66	5.4—Load cells
69	5.5—pH sensors 5.6—Piezometers
74	5.7—Temperature sensors
78	5.8—Weigh-in-motion (WIM) sensors
82	5.9—Weather station
87	CHAPTER 6—SUPPORTING TECHNOLOGIES AND SYSTEMS 6.1—Energy harvesting
89	6.2—Micro-electromechanical systems (MEMS) for sensors
94	6.3—Wireless sensor networks (WSNs)
98	CHAPTER 7—REFERENCES
100	Authored documents