Abstract:
The majority of steel bridges in Sri Lanka have been built more than 100 years ago.
Most bridges have been subjected to changes such as deterioration due to corrosion, mechanical
damage due to fatigue and repair due to maintenance. Therefore condition evaluation of such bridges
is vital to ensure public safety. This paper presents condition assessment of selected steel bridges in
Kaluthara district. The task is pursued through visual observations. Two mathematical models have
been developed in this research to evaluate the condition of bridges. The Analytical Hierarchy Process
was applied to obtain the priority vector of bridge elements and important factor of bridge
elementswere used to obtain the overall bridge condition index. The modified overall bridge condition
index is employed to assess the bridge condition. The results obtained from four selected steel bridges
are presented in this paper.
Citation:
Chathuranga, K.A.D.K., & Lewanagamage, C.S. (2014). Condition assessment of steel bridges in Sri Lanka. In M.T.P. Hettiarachchi (Ed.), Proceedings of the Civil Engineering Research Symposium 2014 (pp. 69-73). Department of Civil Engineering, University of Moratuwa.