aashto t-18 bridge management , evaluation and rehabilitation

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T –18 Update (Continued) ‣ New Gusset Plate Rating Provisions 3. In general, FHWA has indicated re‐rating won’t be required unless there is a change in condition or load. 4. Very compact gussets in compression may have less capacity, although this aspect does not usually control truss capacity, in my opinion. 5. May see increases in shear yielding and block shear rupture capacities if FHWA guidance was followed
T –18 Update (Continued) • Other 2013 Manual for Bridge Evaluation Ballot Items (…continued) – Various ballot items to clarify examples, application of distribution factors and load factors – Ballot item to clarify application of live load factors on buried structures
Page 1 and 2: AASHTO T‐18 BRIDGE MANAGEMENT , E
Page 3 and 4: T -18 Update • What is T‐18 •
Page 5 and 6: T -18 Update (Continued)
Page 7 and 8: T -18 Update (Continued) • Revise
Page 9 and 10: T -18 Update (Continued) Article 1.
Page 11 and 12: T -18 Update (Continued) Ballot Ite
Page 13 and 14: T -18 Update (Continued) Ballot Ite
Page 15 and 16: T -18 Update (Continued) ‣ New Gu
Page 17: T -18 Update (Continued) ‣ New Gu
Page 21 and 22: T -18 Update (Continued) Why Update
Page 23 and 24: T -18 Update (Continued) Recap of A
Page 25 and 26: AASHTO Guide Manual for Bridge Elem
Page 27 and 28: New AASHTO Manual for Bridge Elemen
Page 35 and 36: What’s in the future for the T‐

aashto t-18 bridge management , evaluation and rehabilitation

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