Bridge Structure Types and Components

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 2 Types of Bridges Girders or Beams Trusses Flat Slabs Rigid Frames Arches Suspension Culverts

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 3 Types of Culverts Rigid –concrete, timber Flexible –corrugated steel

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 4 Girder Bridges

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 5 Steel “I” Girder Bridge

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 6 Steel Box Girder Bridge

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 7 Prestressed Concrete Girder Bridge

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 8 Concrete “T” Girder Bridge

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 9 Concrete Flat Slab Bridge

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 10 Standard Prestressed Concrete Girder

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 11 Standard Precast Concrete Girder

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 12 Timber Girder Bridge

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 13 Truss Bridge

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 14 Pony Truss Section

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 15 Through Truss Section

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 16 Deck Truss Elevation

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 17 Deck Truss Section

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 18 Rigid Steel Frame Elevation

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 19 Rigid Frame Section

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 20 Span Types Simple span –girder, beam or truss spans from one support to another –each end has its own bearing –joint over every support

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 21 Simple Spans fixed joint expansion joint simple span expansion joint fixed bearing expansion bearingsfixed bearings expansion bearing fixed joint simple span

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 22 Span Types Continuous span –the girder, beam or truss is continuous over several supports –only one bearing on each support –only joints at end of continuous section

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 23 Continuous Spans expansion joint expansion joint expansion bearing fixed bearing expansion bearing continuous span expansion bearing

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 24 Decks transfer wheel loads to the main load carrying members girders, beams, trusses, etc. Timber Decks Concrete Decks

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 25 Curbs and Medians Define travel lanes Safety Wheelguards

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 26 Girder and Stringer Elements Steel girder bridge section (1a) top flange (1b) bottom flange, (2) web, (3) diaphragm (4) stiffener Prestressed girder bridge section 1b a

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 27 Truss Elements (1) top chord (2) bottom chord (3) batter post (4) verticals and diagonals

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 28 Through Truss Elements 1 top chord 2 bottom chord 3 verticals & diagonals 4 wind or sway bracing 5 bottom lateral bracing 6 top lateral bracing 7 stringers 8 floor beams

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 29 Abutments Spill Through Section Wingwalls Approach Slab Backwall Seat Spill Through Plan

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 30 Abutments Retaining Wall Type Section Retaining Wall Type Plan Wingwalls Approach Slab Backwall Seat

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 31 Piers COLUMN TYPE PIERSHAFT TYPE PIER

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 32 Bearings Types –fixed –expand Material –steel –neoprene, Teflon

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 33 Bearings ROCKER BEARINGROLLER BEARING POT BEARING NEOPRENE BEARING

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 34 Neoprene Bearing

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 35 Deck Joints Types –expansion –fixed Styles –water tight –open

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 36 Deck Joints OPEN JOINT WITH TROUGH SEALED JOINT

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 37 Bridge Railing Types –flex beam –vertical bar –tube type –barriers Material –steel (rail and post) –wood (rail and post) –concrete (posts & barriers)

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 38 Culvert Types Rigid Flexible ABC & CAB

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 39 Rigid Culvert

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 40 Flexible Culvert

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 41 Flexible Culverts CSP & SPCSP

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 42 Flexible Culvert Components

BRIDGE STRUCTURE TYPES AND COMPONENTS TECHNICAL STANDARDS BRANCH INTRODUCTION TO BRIDGES TRANSPORTATION Slide 43 Rigid Culvert Components