What is the harp in cable-stayed bridge?

What is the harp in cable-stayed bridge?

A cable-stayed bridge is a bridge that has one or more columns (called towers or pylons), with cables directly supporting the bridge deck. There are two main types of cable-stayed bridges. In the harp design, the cables are nearly parallel. This is done by attaching them to various points on the tower(s).

How are cable stayed bridges designed?

cable-stayed bridge, bridge form in which the weight of the deck is supported by a number of nearly straight diagonal cables in tension running directly to one or more vertical towers. After the tower is built, one cable and a section of the deck are constructed in each direction.

What is a cable stay bridge of the fan shape?

A cable-stayed bridge has one or more towers (or pylons), from which cables support the bridge deck. A distinctive feature are the cables or stays, which run directly from the tower to the deck, normally forming a fan-like pattern or a series of parallel lines.

What are two main types of cable stayed bridges?

A cable- stayed bridge consists of one or more towers with cables supporting the bridge deck. In terms of cable arrangements, the most common type of cable stayed bridges are fan, harp, and semi fan bridges.

What is the advantage of cable stayed bridges?

Cable-stayed bridges are far less costly for road-deck lengths of 500 to 3,000 feet (the Bridge Project has a 2,000-foot main span); and they can be built in far less time. They require much less steel cable and use more precast concrete sections, which accelerates construction.

Is the Golden Gate Bridge a cable-stayed bridge?

Longest suspension bridge in the world The Golden Gate Bridge is a suspension bridge, meaning it relies on cables and suspenders under tension along with towers under compression to cross a long distance without any intermediate supports.

What are the advantages of cable-stayed bridges?

List of the Pros of a Cable Stayed Bridge

  • It takes less time to build a cable stayed bridge.
  • It is a strong bridge design.
  • It is an affordable design to build.
  • It can have each span connect to one another to create longer bridges.
  • It allows each cable to support the needs of every other cable.

What materials do cable-stayed bridges use?

The most common cable-stayed composite deck consists of two longitudinal steel plate girders, suspended by stay cables, and a concrete slab supported on a grid formed by the main girders and closely spaced cross-girders.

Do cable-stayed bridges sway?

A cable-stayed bridge is a bridge design which uses large steel cables suspended from high towers or pylons to support the bridge decking. The result is a cable-stayed bridge that does not sway in the wind.

Why would a designer choose a cable stayed bridge over a suspension bridge?

The symmetrical building of the road deck balances the load, eliminating the need for large ground anchorages. In short, cable-stayed bridges bear the road-deck weight differently, are faster to build and require less construction materials than suspension bridges.

Where are cable-stayed bridge used?

It usually carries pedestrians, bicycles, automobiles, trucks, and light rail. It is used in places where spans need to be longer than cantilever bridge can achieve (because of its weight), but the span is short enough so a suspension bridge is not practical there economically.

What are the disadvantages of a cable-stayed bridge?

List of the Cons of a Cable Stayed Bridge

  • It can be an unstable design in certain environments.
  • It has a maximum length.
  • It can be a bridge design that is difficult to inspect.
  • It can be susceptible to corrosion.
  • It is only advantageous for short or medium distance needs.