B-WIM for Bridge Enforcement and Structural Safety. Department of Civil, Construction, and Environmental Engineering. UTCA. Objectives. B-WIM system to control heavy vehicle overloads , to elaborate the suitable bridge types, and how to design instrumentation.
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Department of Civil, Construction, and Environmental Engineering
Q: predicted maximum live load effect, a-deterministic value relating the load effect to a reference loading scheme; W.95- characteristic vehicle weight; H-headway factor; m-factor reflecting the variations of load effects; I-impact factor; g-lateral distribution factor
Very good accuracy
No influence in the pavement
No road block
Low rate for maintenance
Specifications and traffic volume do not give satisfactory traffic loads results
Bridge safety can be calculated more efficiently with SiWIM system
1. For critical road sections where overloading is a SERIOUS problem (quarries, sections under construction....)
*Process of collaboration is started with a French group of researchers who are working on multi-span and multilane bridge structures
**The information on the project including final report will be posted at (http://www.eng.uab.edu/cee/faculty/bwim/)
Bridge Weigh-in-Motion (B-WIM) System Testing and Evaluation