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BA 16/97

THE ASSESSMENT OF HIGHWAY BRIDGES

Click on the Clause No. for the commentary.
 

INDEX
 

CLAUSE No

SUBJECT

Simple Distribution Methods (Edge Girders)

 

Problem:

The Simple Distribution Method appears to give higher bending moments on edge girders than a simple static distribution?

Solution:

The Proportion Factor KL makes no allowance for the position of the carriageway relative to the edge girder. Consequently a simple static distribution will often produce a smaller bending moment in the edge girder than the Simple Distribution method.
It is acceptable to use a simple statical distribution (see Clause 2.4) if the edge beam fails the Simple Distribution Method, but the internal girders should also be assessed using simple statics for consistency.
 

 

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Last Updated : 01/05/2001
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