1 Presentation created by David Garber Assistant Professor FIU What is Structural Engineering Buildings Bridges 2 A History of Bridge Engineering 3 1781 1300 BC 1889 1883 1911 1951 ID: 693657
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Slide1
Introduction to Bridge Engineering
1
Presentation created by David Garber (Assistant Professor, FIU)Slide2
What is Structural Engineering?
Buildings
Bridges
2Slide3
A History of Bridge Engineering
3
1781
1300 BC
1889
1883
1911
1951
1980
TimelineSlide4
Types of Bridges
4
Arch
Garabit
Viaduct
By Gustave Eiffel
Brooklyn Bridge
By John Roebling
Walnut Lane Memorial Bridge
By Gustave
Magnel
Suspension / Cable Stayed
Girder
Truss
Suspension
Cable Stayed
Puente del
Alamillo
By Santiago
Calatrava
George Washington Bridge
By
Othmar
Amman
Francis Scott Key Bridge
J.E. Greiner Co., Inc.Slide5
Types of Bridges
5
Arch
Garabit
Viaduct
By Gustave Eiffel
Brooklyn Bridge
By John Roebling
Walnut Lane Memorial Bridge
By Gustave
Magnel
Suspension / Cable Stayed
Girder
Truss
Suspension
Cable Stayed
Puente del
Alamillo
By Santiago
Calatrava
George Washington Bridge
By
Othmar
Amman
Francis Scott Key Bridge
J.E. Greiner Co., Inc.Slide6
Selection of Bridge Type
Available Materials
6
Concrete
Steel
Wood
Good in tension
May buckle in compression
Ductile material
Expensive
Steel
Wood
Good in compression
Brittle failure mechanism
Requires steel to resist tension
Relatively inexpensive
ConcreteSlide7
Selection of Bridge Type
Available Materials (concrete, steel, wood, etc.)Support Conditions and Span Details
7Slide8
Selection of Bridge Type
Available Materials (concrete, steel, wood, etc.)Support Conditions and Span DetailsType
of Load8Slide9
Selection of Bridge Type
Available Materials (concrete, steel, wood, etc.)Support Conditions and Span DetailsType
of LoadOther Considerations Construction Limitations
9
Limited Time Window
Accelerated Bridge ConstructionSlide10
Bridge Construction Method: Cast-in-Place
10
Cast-In-Place Concrete ConstructionSlide11
Bridge Construction Method: Prefabrication
11
PrefabricationSlide12
Bridge Construction Method: Prefabrication
12
PrefabricationSlide13
Accelerated Bridge Construction
Major components to bridge constructionSubstructure
Retaining wallsFoundationsColumns systemsSuperstructureBeamsDeckParapets
13Slide14
Columns and Bent Caps
14
Accelerated
ConventionalSlide15
Girders and Superstructure
15
Accelerated
ConventionalSlide16
Full Depth Deck Panels
16
(Iowa – 24th Street Bridge over I-29/I-80)
Accelerated
ConventionalSlide17
Lateral Slide
17
(Oregon – Depot Street Bridge)Slide18
Lateral Slide
18
(Iowa – Messena Lateral Bridge Slide)Slide19
SPMTs
19
(Louisiana – 3249 Wells Road)
Self-Propelled Modular TransporterSlide20
SPMTs
20Slide21
ABC: Benefits and Disadvantages
ABC Benefits Shorter construction times
Improved overall quality (generally)Decreased overall costsABC DisadvantagesIncreased construction cost
New technologies (less general knowledge)Sometimes difficult connection details
21Slide22
Bridge Engineering Activity
Bridge Designer Software
Balsa Wood Bridge (ABC-Style)22Slide23
Selection of Bridge Type
Available Materials
Support Conditions and Span Details
23
Design Space
Slide24
Selection of Bridge Type
Type of Load
Other Considerations24
Fast ConstructionSlide25
Balsa Wood Bridge Project
Trial
25Slide26
26
Thank You
Presentation Created by: David Garber, PhD (
dgarber@fiu.edu)Assistant Professor, Florida International University