Introduction to Bridge Engineering - Presentation

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Introduction to Bridge Engineering

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.

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Introduction to Bridge Engineering






Presentation on theme: "Introduction to Bridge Engineering"— Presentation transcript:

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