Bridge Construction Methods By David TRAYNER

Bridge Construction Methods By David TRAYNER - Printable Version

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Bridge Construction Methods By David TRAYNER - mowafi3m - 06-06-2011

Contents
A. Introduction of Speaker
B. Bridge Construction Methods
i. Pre-cast
ii. Cast in-situ
iii. Others
C. Precasting Techniques
D. Ductal

A. Speaker
David Trayner
1. VSL - Special Projects – Operations Manager NSW
2. Graduated: UTS 1990 BEng; UNE 2001 MBA
3. 1989-91 Costain Australia Pty Ltd
4. 1991 – 2004 VSL Heavy Lift Operations Asia
i. 1991-92 NS4 Bangkok
ii. 1993 Tsing Mah Bridge HK
iii. 1995 Skybridge Petronas Twin Towers KL
iv. 1997 Burj Al Arab, Dubai
v. 2002 – 4 New Bangkok International Airport, BKK, Thailand
5. 2004 onwards VSL Australia, Projects: LHD, BRB,
GDE, GUP

Precast Concrete Bridges
1. I Beams & Super Tee’s
2. Segmental
3. Full Span
• Cast in-situ post tensioned concrete
decks

Precast I Beams & Super Tee’s
1. Description
• Standard Beams can be pre & or post
tensioned.
• Cast on site or in existing PC Yard
2. Advantages
• Cheap
• Simple to erect
3. Disadvantages
• Limited in length (lat torsion buckling)
• Less efficient
• Logistics (police escort etc)
• Aesthetics – banned in some countries

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