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Posted: Thu Dec 05, 2013 4:37 pm Post subject: Design of bridge for tractor passage
I want to deisgn a bridge for tractors to ply to agricultural fields. A width of 3m is provided for the bridge. the span of the bridge is 12m. The soil on the bed of the river is clay. The proposal is with two abutments and two intermediate supports. The intermediate support is proposed with twoRCC columns of 30x30cm braced with beams at avery 3m height. The first and the last span is sloping at 1in3 and the centre span is horizontal. The deck is proposed to be with edge beams of 25x30cm. the columns of the intermediate supports are proposed to be driven below the bed for a depth of 4m.the height of intermediate columns above river bed is 3m and the height of abutments is 2m.
I want to analyse the structure in Staad. Any guidance on the wheel loads to be used, method to be used, etc will be very thankful.
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