Redundancy of Steel Twin Tub Girder Bridges: The Marquette ...

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Objective Render system ramps redundant by one of two means � Analysis: y Demonstrate System y is Redundant By y FE Analysis �� Design: Implement New Designs to Render System Redundant FFraming i Additional material, PT Split box Redundancy of Steel Twin Tub Girder Bridges: The Marquette Interchange Approach
What are Redundant Bridges? Bid Bridges where: h � at tl least tone alternate lt t load l dpath thexists i t � which is capable of safely supporting the specified dead load and live loads � and maintaining temporary serviceability of the deck following fracture of a main load carrying member Redundancy of Steel Twin Tub Girder Bridges: The Marquette Interchange Approach
Page 1 and 2: Redundancy of Steel Twin Tub Girder
Page 3 and 4: What are the problems? � Intercha
Page 5 and 6: New Interchange Redundancy of Steel
Page 7 and 8: Two Types of Superstructures, Two T
Page 9 and 10: Redundancy of Steel Twin Tub Girder
Page 11: The Problem: Common Presumption �
Page 15 and 16: Criteria - Damage �Sudden Through
Page 17 and 18: Load Criteria - NCHRP 406 22 - HS25
Page 19 and 20: 3-D FEM Analysis Approach Redundanc
Page 21 and 22: Not The Hoan Bridge Redundancy of S
Page 23 and 24: Fractured Girders Redundancy of Ste
Page 25 and 26: Lessons Learned from The Hoan 11. M
Page 27 and 28: 1. Internal Member Redundancy Crack
Page 29 and 30: Alternate Load Paths 2. Structural
Page 31 and 32: Max Stresses at Continuity Redundan
Page 33 and 34: Damaged Structure: DL & 2 x HS Truc
Page 35 and 36: Demand vs Supply from Continuity Md
Page 37 and 38: Demand vs Supply from Continuity: C
Page 39 and 40: Demand vs Supply from Continuity De
Page 41 and 42: Lane Load vs Truck Load Lanne Load/
Page 43 and 44: Demand vs Supply from Continuity La
Page 45 and 46: Alternate Load Paths 33. SSystem t
Page 47 and 48: 3. System Redundancy Redundancy of
Page 49 and 50: System Contribution Deflected Shape
Page 51 and 52: 3. System Redundancy: Deck Section
Page 53 and 54: Dynamic Simulation -δ(D) = -(δ(A)
Page 55 and 56: Dynamic Step Function: Redundancy o
Page 57 and 58: Implementation Render system ramps
Page 59 and 60: Splitting the Box Redundancy of Ste
Page 61: Questions? Redundancy of Steel Twin

Redundancy of Steel Twin Tub Girder Bridges: The Marquette ...

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