# Bridge Erected Span-By-Span Thesis

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1) Weight of the girder: This weight includes the self-weight of one girder and weight of another girder which will be carried over the girder after placing.

2) No of temporary bearings for one girder: Number of temporary bearing at each end under the girder is taken considering the total load on the bearing and capacity of each bearing.

Therefore, total load on each temporary bearing = = 100 tons Considering weight of girder launcher machine and adding some factor of safety, total load on each bearing was taken as 120 tons = 1200 k N.

b) Thickness of the steel plate was selected by trial method using the compressive strength test for the design load on the bearing.

Design of the temporary bearing is very simple and can be manufactured at site.

## Comments Bridge Erected Span-By-Span Thesis

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