I sis canada Educational Module No. 5: An Introduction to Structural Health Monitoring




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SIS Canada Educational Module No. 5: An Introduction to Structural Health Monitoring





ISIS Educational Module 5:

An Introduction to

Structural Health Monitoring


Prepared by ISIS Canada

A Canadian Network of Centres of Excellence

www.isiscanada.com

Principal Contributor: L.A. Bisby, Ph.D., P.Eng.

Department of Civil Engineering, Queen’s University

Contributor: M.B. Briglio

August 2004


ISIS Education Committee:


N. Banthia, University of British Columbia

L. Bisby, Queen’s University

R. Britton, University of Manitoba

R. Cheng, University of Alberta

G. Fallis, Vector Construction Group

R. Hutchinson, Red River College

A. Mufti, University of Manitoba

K.W. Neale, Université de Sherbrooke

J. Newhook, Dalhousie University

K. Soudki, University of Waterloo

L. Wegner, University of Saskatchewan


Objectives of This Module


The objective of this module is to provide engineering students with basic introductory knowledge of the field of Structural health monitoring (SHM). It is one in a series of modules on innovative SHM and fibre reinforced polymer (FRP) technologies available from ISIS Canada. While research into the field of Structural health monitoring is ongoing, an overall awareness of currently available monitoring devices and systems is essential for the new generation of structural engineers. The primary objectives of this module can be summarized as follows:

  1. to provide engineering students with a general awareness of Structural health monitoring and some of its potential applications in civil engineering;

  2. to introduce students to the general apparatus and testing used for monitoring typical engineering structures;

  3. to facilitate and encourage the use of SHM in the construction and structural rehabilitation industries; and

  4. to provide guidance to students seeking additional information on this topic.

The material presented herein is not currently part of a national or international design code, but is based mainly on the results of numerous detailed research studies and field projects conducted in Canada and around the world. Information presented in this document is based primarily on the recommendations of ISIS Canada Design Manual No. 2: Guidelines for Structural Health Monitoring. As such, this module should not be used as a design document, and it is intended for educational use only. Further information on Structural health monitoring can be found on the internet at www.isiscanada.com.


Additional ISIS Educational Modules

Available from ISIS Canada (www.isiscanada.com)


Module 1 – Mechanics Examples Incorporating FRP Materials


Nineteen worked mechanics of materials problems are presented which incorporate FRP materials. These examples could be used in lectures to demonstrate various mechanics concepts, or could be assigned for coursework or exam problems. This module seeks to expose first and second year undergraduates to FRP materials at the introductory level. Mechanics topics covered at the elementary level include: equilibrium, stress, strain and deformation, elasticity, plasticity, determinacy, thermal stress and strain, flexure and shear in beams, torsion, composite beams, and deflections.


Module 2 – An Introduction to FRP Composites for Construction


FRP materials are discussed in detail at the introductory level. This module seeks to expose undergraduate students to FRP materials such that they have a basic understanding of the components, manufacture, properties, mechanics, durability, and application of FRP materials in civil infrastructure applications. A suggested laboratory is included which outlines an experimental procedure for comparing the stress-strain responses of steel versus FRPs in tension, and a sample assignment is provided.


Module 3 – An Introduction to FRP-Reinforced Concrete


The use of FRP bars, rods, and tendons as internal tensile reinforcement for new concrete structures is presented and discussed in detail. Included are discussions of FRP materials relevant to these applications, flexural design guidelines, serviceability criteria, deformability, bar spacing, and various additional considerations. A number of case studies are also discussed. A series of worked example problems, a suggested assignment with solutions, and a suggested laboratory incorporating FRP-reinforced concrete beams are all included.


Module 4 – An Introduction to FRP-Strengthening of Concrete Structures


The use of externally-bonded FRP reinforcement for strengthening concrete structures is discussed in detail. FRP materials relevant to these applications are first presented, followed by detailed discussions of FRP-strengthening of concrete structures in flexure, shear, and axial compression. A series of worked examples are presented, case studies are outlined, and additional, more specialized, applications are introduced. A suggested assignment is provided with worked solutions, and a potential laboratory for strengthening concrete beams in flexure with externally-bonded FRP sheets is outlined.

Section 1
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