Bridge Constuction

1. A SEMINAR PRESENTATION
ON
“BRIDGE CONSTRUCTION”
Submitted By:
Robin Nirwal+6
Submitted To:

2. Bridge
.

3. History of Bridge Development

4. History of Bridge Development
1900
1920
2000

5. Compression Tension
Basic Concepts
Span - the distance between two bridge
supports, whether they are columns, towers or
the wall of a canyon.
Compression –
Tension -
Force -
Concrete has good compressive strength, but extremely weak
tensile strength. What about steel cables?

6. Basic Concepts
Beam - a rigid, usually horizontal, structural element
Pier - a vertical supporting structure, such as a pillar
Cantilever - a projecting structure supported only at one end, like a
shelf bracket or a diving board
Beam
Pier
Load - weight on a structure

7. Survey of Bridge

8. .

9. SHALLOWFOUNDATION
There are variety of shallow foundation types used in construction of foundation
Columns
$ Combined or Cantilevered
$ Mat
$ Wall (strip)
$ Spread Footing
$ Strap Footing

11. Pile Foundation

12. END BEARING PILES
FRICTION PILES

13. COMPACTION PILES
TENSION PILES

14. ANCHOR PILES
FENDER PILES

16. TYPES OF PILE CHOSEN DEPENDS ON FOLLOWING FACTORS

17. TYPES OF WELL FOUNDATION OR CASSION

18. METHOD OF INSTALLATION

19. .

20. Diesel Hammer

21. Vibratory Method Of Pile Driving

22. Jacking Method of Insertion

23. PRECAST SEGMENTAL ERECTION
TECHNIQUES

24. ERECTION ON FALSEWORK

25. ERECTION BY GANTRY

26. ERECTION BY CRANE

27. ERECTION BY LIFTING FRAME

28. FULL SPAN PRECAST ERECTION
TECHNIQUES