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SEMINAR REPORT

OONN

PERFORMANCE OF VIBRATION BASED DAMAGE

DETECTION METHODS USED IN BRIDGE

STRUCTURES

Submitted By

SHAHANAS P

REGISTER. NO

AWANCST010

DDEEPPAAR R TTMMEENNTT OOFF CCIIVVIILL EENNGGIINNEEEER R IINNGG

AAWWHH EENNGGIINNEEEER R IINNGG CCOOLLLLEEGGEE,, CCAALLIICCUUTT--88,, K K EER R AALLAA

UUNNIIVVEER R SSIITTYY OOFF CCAALLIICCUUTT

22001133--1144



DDEEPPAAR R TTMMEENNTT OOFF CCIIVVIILL EENNGGIINNEEEER R IINNGG

AWH ENGINEERING COLLEGE

CALICUT-8, KERALA

2014

Certificate

This is to certify that this report entitled “PERFORMANCE OF VIBRATION BASED

DAMAGE DETECTION METHODS USED IN BRIDGE STRUCTURES” is a

bonafide record of the seminar presented by SHAHANAS P (REG.NO. AWANCST010)

under our guidance towards the partial fulfillment of the requirements for the award of

Master of Technology Degree in Structural Engineering, of the University Of Calicut

during the year 2013-15.

Chairman of evaluation committee Head of the department

Dr. M.V SABEENA Mr. Rahmathulla. A

Professor Associate Professor

Dept. of Civil Engineering Dept. of Civil Engineering



ACKNOWLEDGEMENT

I would like to dedicate this seminar report to those individuals, whom I am

indebted for their guidance and encouragement.First of all, I submit myself and this seminar report to the Lord almighty who

guided me through the course of collection of data for this seminar.

I would like to express my gratitude to my guide Ms. MV Sabeena, Department

of Civil engineering for her valuable suggestions and encouragement throughout the

course of seminar work.

I sincerely acknowledge our HOD, Mr. Rahmathulla.A for his support and

guidance during the seminar work.I am grateful to our Honorable Principal Mr. Shahir V.K. for providing me with

all facilities and help for the successful completion of the seminar.

I also express my special thanks to other staff members of Civil Engineering

Department and to my friends for their suggestions regarding the seminar.

SHAHANAS P



ABSTRACT

As a part of vital infrastructure and transportation networks, bridge structures must

function safely at all times. However, due to heavier and faster moving vehicular loads

and function adjustment, such as Bus way accommodation, many bridges are now

operating at an overload beyond their design capacity. In this article, six damage

detection methods based on vibration monitoring were evaluated with a case study. The

dynamic simulation and modal parameters of a cracked composite bridge were obtained.

Here, the damage detection methods were evaluated under different crack depth,

extension of the damage and noise level. In this case study, evaluated damage detection

methods could detect damage for all the damage scenarios; however, their performance

was notably affected when noise was introduced to the vibration parameters.



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