introduction to reinforced concrete structures 1 - introduction.pdf · 1 introduction to reinforced...

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Introduction to Reinforced Concrete Introduction to Reinforced Concrete StructuresStructures

Dr. Hazim DwairiDr. Hazim Dwairi

Role of Reinforced Concrete in Civil Role of Reinforced Concrete in Civil EngineeringEngineering

Make a list of all the systems constructed from reinforced Make a list of all the systems constructed from reinforced concrete that you can think of.concrete that you can think of.concrete that you can think of.concrete that you can think of.

BridgesBridgesBuildingsBuildingsFoundationsFoundationsCulverts and SpillwaysCulverts and SpillwaysDamsDams

Reinforced Concrete IReinforced Concrete IDr. Hazim DwairiDr. Hazim Dwairi The Hashemite UniversityThe Hashemite University

Water Storage Facilities, Water treatment plantsWater Storage Facilities, Water treatment plantsNuclear ReactorsNuclear ReactorsCanoes?Canoes?

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What are the main reasons for the What are the main reasons for the collapse of RC structures?collapse of RC structures?

When do you think most of the When do you think most of the collapses of RC structures occur collapses of RC structures occur


collapses of RC structures occur collapses of RC structures occur as compared to steel structures?as compared to steel structures?

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What do you think caused the failure

of this girder?


Structural SystemStructural System

Roof


Column

Floor System Slab+Beams

Footing

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R.C. Building ElementsR.C. Building Elements


R.C. Building ElementsR.C. Building Elements


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Types of SlabsTypes of Slabs


Beam Column ConnectionBeam Column Connection


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Footing FormworkFooting Formwork


Column Column –– FootingFooting


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Column FormworkColumn Formwork


ColumnsColumns

Tied Columns


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Square Tied ColumnSquare Tied Column


Under ConstructionUnder Construction


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Floor System FormworkFloor System Formwork

Steel posts used to h f

Square Tied-Column

support the forms

Lateral Bracing


FormworkFormwork

Secondary trusses to support forms sheeting


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FormworkFormwork

Forms sheeting


Steel ReinforcementSteel Reinforcement

Solid SlabColumn

Edge Beam


Single Footing

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OverviewOverviewBasic Philosophy:Basic Philosophy:

Steel reinforces (strengthens) concreteSteel reinforces (strengthens) concreteC t ( t t ) t lC t ( t t ) t lConcrete encases (protects) steelConcrete encases (protects) steelInduce favorable mode of failure:Induce favorable mode of failure:

Steel yieldsSteel yieldsConcrete crushes (in compression)Concrete crushes (in compression)

Types of Reinforcement:Types of Reinforcement:S l b ( b )S l b ( b )


1.1. Steel bar (rebar)Steel bar (rebar)2.2. Steel plate externallySteel plate externally3.3. Composite bar (Fiber reinforced polymer Composite bar (Fiber reinforced polymer

(FRP) composite)(FRP) composite)4.4. Composite plate (laminate) externallyComposite plate (laminate) externally

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Commercially Available FRP Commercially Available FRP RinforcingRinforcing BarsBars

Polystructures

International Grating

Hughes Brothers

Marshall Industries


Marshall Industries

Pultrall

introduction to reinforced concrete structures 1 - introduction.pdf · 1 introduction to reinforced...

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