ADVANCED FINITE ELEMENT ANALYSIS | INTEGRATED MONITORING & MODELING
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BRIDGE RATING ANALYSIS

Bridge Rating At Fynite we can provide full bridge rating engineering services. When record drawing sets and current inspections are not available we can also undertake full bridge inspection and development of structure drawings, in accordance with AASHTO's Bridge Evaluation Manual

We can evaluate the bridge structure and provide the client with the Inventory rating (indefinite load capacity) and the Operating rating (maximum load level).

The rating can be done with the following methods:
  • Load Factor Method
  • Working Stress Design Method
  • Load and Resistance Factor Method
In the case of truss bridges, we shall also complete a rating of the gusset plate connections. An example of this analysis is given below.

In the cases where record sets of drawings need to be produced, we shall employ the latest scanning techniques to obtain the physical dimensions as well as size and location of reinforcing steel. In these cases, we would also advocate a physical load test to allow for a comparison with an FEA model of the structure. Comparing the predicted and actual performance of the structure will ensure the structure has been accurately defined.

As part of the Bridge Rating we can provide the client with suggested remedial actions as well Guided Inspection Protocols (GIP), allowing the client to focus on critical areas or "hot spots" of the structure during future inspections.





Click to see an exmaple:

PROJECT GALLERY: GUSSET PLATE     PROJECT GALLERY: TRUSS BRIDGE


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