General Information

Figure 1 shows a pedestrian suspension bridge.

Pedestrian suspension bridge.
Pedestrian suspension bridge over a reservoir
Type Single-span suspension bridge
Main span ≅ 55 m
Deck width ≅ 1.5 m
Deck width to main span ratio ≅ 1:37
Pylon Reinforced concrete (A-longitudinal shaped)
Girder Steel truss

Main Cable Curve

Figure 2 shows a side view of the bridge.

Pedestrian suspension bridge.
Main cable curve variation of a pedestrian suspension bridge

Curve 1 is steeper than the original curve.

  • What are the main structural influences of a main cable curve change?
  • Girder

    Figure 3 shows a side view of the main span.

    Main span.
    Main span steel truss girder of a pedestrian suspension bridge

    The girder consists of a steel truss made of L-profiles, and the truss height h ≅ 1 m.

  • Is a steel truss girder required for structural reasons?