Strength Capacity Determination Of T-girder Bridge Using Experimetal Method

Currently, Ethiopia is undergoing economic transformation and development which requiresrnexporting of local commodities and importing heavy machineries. Reinforced concreternbridges on different routes are sustaining these equipments loads safely. But there are bridgesrnwhere their design data is not available for some reasons (i.e. construction time and workrndocument).In the absence of such design data, determination of strength capacity of reinforcedrnconcrete bridges are difficult and it is a critical problem that currently engineers are facing.rnE.R.A manual has developed strength evaluation method for bridges where it has its own wayrnof estimating concrete strength, area of reinforcement and yield strength of concrete. But,rnbased on the current condition of bridges approximate method should be developed to obtainrnconstruction data thereby determine the strength capacity of Girder bridges. In this study,rnexperimental investigation of reinforced concrete T-Girder bridges will be carried out basedrnon the existing condition of the bridges. For verification of results, similar bridges withrndetailed design document will be investigated.rnThe results obtained show lesser reinforcement area and yield strength of steel whenrncompared with original data. it is good with regard of safety while determining what amountrnof load should pass over z bridge.

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