1. Development of long span composite truss bridges
Marcus O'Dempsey

2. Contents WCFT products WCFT solutions
Developing composite truss bridges

3. WCFT Product

4. Characteristic values
Physical properties
Characteristic values
Section properties
Insert
End Cap

5. WCFT Product Product guide
Characteristic value of mechanical properties and physical properties
ASTM 7290
Design guide
ASCE Pre-standard (final ver.)
Work examples
ASTM Standard Practice for Evaluating Material Property Characteristic Values for Polymeric Composite for Civil Engineering Structural Applications
ASCE Pre-Standard for Load and Resistance Factor Design (LRFD) of Pultruded Fiber Reinforced Polymer (FRP) Structures (Final) (2010)

6. Wagners Solutions
Electrical crossarm

7. Wagners CFT Solutions
Boardwalk
Marina

8. Wagners Solutions
Timber Bridge Rehabilitation

10. Timber Bridge Rehabilitation

11. Timber Bridge Rehabilitation
Pile Strengthening
Bridge Widening

13. Wagners Solutions
Composite Bridge
Get overall spec of Baio Bridge

14. Baio Bridges, Whyanbeel QLD

19. Engineering Development
Stage 1
Truss composite bridges bridge
Post-cure bolt joint for 80°C design temperature
 Stage 2
Grout filled composite truss bridge for long span
Ambient cure bolt joint for 80°C design temperature
Design criteria (AS2156, AS5100, AS1170)
Dead Load : 0.3 KPa
Live Load : 5.0 KPa (Pedestrian)
Vehicle load : 4 ton (Emergency vehicle at low speed)
Deflection Limit: L/250
Design temperature : up to 80 °C

20. Stage 1 Structural specification Bolted joint Truss system
Span: meters / Height : 2.0 meter
Top-chord - 2 x 125SHS / Bottom-chord - 2 x 125 SHS / Webs - 1 x 250BRB
Bolted joint
Develop post-cure glue system for 80°C design temperature
Evaluate design strength for both ambient and 80°C design temperature
 Truss system
Performance under static design load (Proof loading: AS/NZ )
Prove fatigue performance with 1,000,000 cycles of loading

21. Stage 2 Structural specification Bolted joint
Span: 23 meters / Height : 2.2 meters
Top-chord - 2 x Grout-filled 250 BRB / Bottom-chord - 2 x 250 BRB / Webs - 1 x 250 BRB
Bolted joint
Further development, ambient cure glue system for eliminating post-cure procedure
Evaluate design strength for the range of design temperature between ambient and 80°C
Grout filled truss system
Performance under static design load (Proof loading: AS/NZW )
Comparative study with and without grout-filling method

22. Stage 1 - 1,000,000 cycles of loading (Fatigue)

23. Stage 2 - Grout-filled truss (Comparative study)
31%

24. Stages 1 and 2 - Bolted joint
With post-cure glue
(Stage 1)
With ambient-cure glue (Stage 2)
Test results – Stage 2
# 10 repeated test results, $ Determined in accordance with ASTM D7290

25. Stage 1 – Clewley Park Footbridge Toowoomba, QLD

27. Stage 2 - Mercy Footbridge replacement Dalby QLD