What are the design requirements for pedestrian suspension bridges in Vietnam?

What are the design requirements for pedestrian suspension bridges in Vietnam? - Illustrative image

According to Article 4 of Circular 11/2014/TT-BGTVT, the general design requirements for pedestrian suspension bridges in Vietnam are as follows:

- The components and main parts of pedestrian suspension bridges include: main cables, bridge towers, abutments (shore piers), deck systems, anchorages, suspension cable systems.

- The minimum design life of pedestrian suspension bridges is 25 years.

- Type I and Type II pedestrian suspension bridges may allow animal-drawn carts to travel through, but only in one direction at a time, with one vehicle passing at a time, and must have warning signs to ensure visibility when vehicles enter and exit the bridge.

When planning to build Type I and Type II pedestrian suspension bridges, comparisons with cable-stayed bridges and rigid bridges must be made to select the most economical option, considering maintenance costs during the design life of the bridge.

- To provide data for the design of pedestrian suspension bridges, surveys, and other relevant legal regulations must be conducted.

- When designing structural and foundation components of pedestrian suspension bridges, general regulations of Standard 22TCN 272-05 on calculation theory according to limit states, structural and foundation calculation contents, geological, hydraulic, and hydrological requirements, structural safety requirements and means must be followed.

- Other requirements according to Article 4 of Circular 11/2014/TT-BGTVT.

More details can be found in Circular 11/2014/TT-BGTVT issued on April 29, 2014.

Thuy Tram

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