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PRECAST METHOD OF BRIDGE CONSTRUCTION

Precast Method of Bridge Construction: (i) Precast Beams: Precast beam decks are generally used for short span bridges ranging between 5m to 50m – these may be railway or motorway bridges. Standard inverted tee beams or M-beams are chosen and positioned by ...

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SPAN BY SPAN CASTING METHOD OF BRIDGE CONSTRUCTION

Span by Span Casting method of Bridge Construction: Span by span is a relatively new construction technique historically associated with cantilever construction but the advancement in external prestressing has enabled its own potential use to grow. Today it is considered to ...

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INCREMENTAL LAUNCHING METHOD OF BRIDGE CONSTRUCTION

Incremental Launching Method of Bridge Construction: For bridge decks greater than 250m in length, the method of incremental launching can be considered. With this method of construction the bridge deck is built in sections by pushing the structure outwards from an ...

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CABLE STAYED METHOD OF BRIDGE CONSTRUCTION

Cable Stayed Method of Bridge Construction: The technique of cable-stayed construction has been used and continually developed over the last 50years. It is the most common construction choice today when a bridge is required to span more than 300. Cable-stayed bridges ...

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ARCH METHOD OF BRIDGE CONSTRUCTION

Arch Method of Bridge Construction: The arch is the most natural bridge shape in nature. Originally constructed of stone, today such bridges are built of reinforced or precast concrete. They are often the most economical choice where a bridge is ...

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BEHAVIOUR OF BOX GIRDER BRIDGES

A general loading on a box girder, such as shown in fig 1 for single cell box, has components which bend, twist, and deform the cross section. Thin walled closed section girders are so stiff and strong in torsion that ...

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CLASSIFICATION OF STEEL BRIDGES

Classification of steel bridges Steel bridges are classified according toThe Type Of Traffic Carried The Type Of Main Structural System The Position Of The Carriage Way Relative To The Main Structural SystemThese are briefly discussed in this section. Classification based on ...

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