Concrete Bridge Case Study

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AN EXPERIMENTAL STUDY ON THE SENSOR BASED STRUCTURAL HEALTH MONITORING SYSTEM FOR BRIDGE STRUCTURES

Kartheeswaran.R1 , Sathish.U 2,Govindarasu.P3

1Assistant Professor, Civil Engineering Department, VSB College of Engineering,
Karur, Tamil Nadu, India. email: kartheeswarankarthik@gmail.com, +91-9751135888

2 Assistant Professor, Civil Engineering Department, VSB College of Engineering,
Karur, Tamil Nadu, India. email:usathish2007@gmail.com, +91-9524439833

3 Assistant Professor, Civil Engineering Department, VSB College of Engineering,
Karur, Tamil Nadu, India. email:govindarasupoomalai@gmail.com, +91-9786952328

Abstract—Civil Engineering structures like bridges, sky scrapers and dams are play a very important role in our society. It will decide the economic growth of a country. These structures
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ANALYSIS OF BRIDGE MODEL
STAAD Pro model of concrete bridge is created and analyzed for several loading position and the bridge is designed for critical loading condition. After completing the simulation analysis a prototype model is designed. Fig 1: STAAD Pro Model Fig 2: Loading on Model

III. DEVELOPMENT OF SIMILITUDE MODEL
Length Scale Factor (SL) = LP/LM is calculated and this length scale factor is used to get the similitude dimensions. The bending scale factor is calculated using the relation moment in Prototype /Moment in model. This Scale Factor is applied to the real time bridges which having the same geometry and loading conditions. Fig 3: Model Detailing

The prototype model of concrete bridge cast for the critical load obtained. A single pier with beam deck of the bridge is designed. Three numbers of samples were cast and are kept in curing tank. The model is to be tested for deflection, stress and strain.

Fig 4: Casting of Model Fig 5: Cast Model
IV. EXPERIMENTAL WORK
LOAD VS DEFLECTION BEHAVIOUR

Load vs Deflection behaviour analyzed by giving load to the model and LVDT fixed on the bottom of the beam deck around 100 mm from the

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