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

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

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

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

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

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

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What do you think caused the failure

of this girder?

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

Structural SystemStructural System

Roof

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

Column

Floor System Slab+Beams

Footing

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R.C. Building ElementsR.C. Building Elements

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

R.C. Building ElementsR.C. Building Elements

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

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Types of SlabsTypes of Slabs

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Beam Column ConnectionBeam Column Connection

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Footing FormworkFooting Formwork

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

Column Column –– FootingFooting

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

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Column FormworkColumn Formwork

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

ColumnsColumns

Tied Columns

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

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Square Tied ColumnSquare Tied Column

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

Under ConstructionUnder Construction

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

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Floor System FormworkFloor System Formwork

Steel posts used to h f

Square Tied-Column

support the forms

Lateral Bracing

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

FormworkFormwork

Secondary trusses to support forms sheeting

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

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FormworkFormwork

Forms sheeting

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

Steel ReinforcementSteel Reinforcement

Solid SlabColumn

Edge Beam

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

Single Footing

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

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

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

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 )

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

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

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

Marshall Industries

Pultrall