MATEC Web of Conferences
Volume 47, 2016The 3rd International Conference on Civil and Environmental Engineering for Sustainability (IConCEES 2015)
|Number of page(s)||5|
|Section||Structure, Solid Mechanics and Numerical Modelling|
|Published online||01 April 2016|
Identification of Dynamic Characteristics of Bridge Crossing Sungai Simpang Kiri Using Free Vibration Analysis
1 Jamilus Research Center, Universiti Tun Hussein Onn Malaysia, 86400 Parit Raja, Johor, Malaysia
2 Public Works Department, 50480 Kuala Lumpur, Malaysia
a Corresponding author : firstname.lastname@example.org
This paper presents a free vibration analysis (FVA) of a reinforced concrete bridge crossing Sungai Simpang Kiri, located at Batu Pahat. The bridge consists of three simple spans with a total length of 70meter (20 m + 30 m + 20 m). The concrete deck of the bridge is supported by concrete tensioned pre-stressed T-beam. The girders are sitting on two abutments at both ends and two piers as internal supports. The base of the piers is considered as fixed base and the abutments were free to move. The structural dynamic characteristics of the bridge in terms of fundamental frequency and mode shapes were obtained analytically using SAP2000 three-dimensional finite element modeling software. It is very important to evaluate the dynamic characteristics of reinforced concrete bridges that can lead to the detection of stiffness reduction or damage of the structure. From the analysis, the fundamental frequency of the bridge was 1.94 Hz with fundamental mode shape is critical in transverse bending mode.
© Owned by the authors, published by EDP Sciences, 2016
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