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References
More examples of applications can be found in the references: water management, piers and docks, chemistry and more.
Details
BASIC FOOTBRIDGE COMPONENTS
- Load-bearing frame
- Walk-over gratings or covers
- Railing
ADDITIONAL OPTIONS
- Staircases
- Ladders
LOAD-BEARING FRAME
made of PREFEN composite profiles. Table lists maximum loads (by span) for a pair of supports (of the same material) with load applied midway between them. An allowed sagging of 1/250 of span is assumed.
For large spans and / or complex designs, please consult your project needs with our technical staff.
WALK-OVER GRATINGS
- For industrial applications, we recommend PREFAGRID moulded grating, which come
with anti-slip finish. - For pedestrian use, we recommend widebeam PREFAPOR assembled grating with gap
width of 10 mm.
KEY FEATURES
- Low weight, simple installation
- Highly durable, corrosion resistant, chemically stable
- Maintenance-free
FOOTBRIDGE MAXIMUM LOAD
| SUPPORT TYPE | PYLON SPAN [mm] | ||||
|---|---|---|---|---|---|
| 2,000 | 3,000 | 4,000 | 5,000 | 6,000 | |
| I 103 x 100 (60)/6 | 550 | 270 | – | – | – |
| I 152 x 80/10 | 1,640 | 820 | 480 | 310 | 220 |
| I 200 x 100/10 | 3,320 | 1,750 | 1,050 | 700 | 490 |
| I 280 x 140/12 | 8,800 | 5,140 | 3,260 | 2,200 | 1,580 |
| U 103 x 60/6 | 310 | – | – | – | – |
| U 152 x 43/10 | 1,050 | 500 | 290 | – | – |
| U 180 x 60/8 | 1,640 | 820 | 480 | 310 | 220 |
| U 200 x 60/10 | 2,500 | 1,250 | 740 | 480 | 340 |
| U 280 x 70/12 | 6,500 | 3,480 | 2,110 | 1,400 | 1,000 |
NOTE: Listed values are for a pair of pylons loaded by an isolated force (in kg) acting at span midpoint; assumed allowed sagging is 1/250 of span. For larger pylon spans, the effective span needs to be shortened using diagonal composite supports (we recommend consulting
your specifications with our technical staff).
COMPOSITE FOOTBRIDGE
1. Longitudinal support: U beam 200×60/10
2. Transverse support: I beam 103×100(60)/6
3. Stainless steel anchor: L 80 x 80 x 4-120
4. Stainless steel joint: L 70 x 70 x 4-80
5. PREFAGRID moulded grating: 30 x 30/30
6. Support: square tube ST 51 x 51/6
7. Handrail: D tube STR 50 x 50/5
8. Interior rail: round tube RT 32/3
9. Kick-plate: KP 110/3
10. Support reinforcement: round tube RT 38/5
