The Construction Feeds

Types of Bridges

A bridge is a structure giving entry over an impediment without shutting the route underneath. The necessary entry might be for a street, a railroad, walkers, a waterway or a pipeline. The impediment to be crossed might be a stream, a street, railroad or a valley. Bridges are the structures worked for conveying generally street and railroad traffic or some other moving burdens over a downturn or hole or obstacle, for example, a stream, channel, gulch and valley. Arrangement of Bridges dependent on different perspectives are tended to in this article.

Categorization of bridges

1. By form or superstructure

  • Slab bridge
  • Beam bridge
  • Truss bridge
  • Arch bridge
  • Cable stayed (or) suspended bridge

2. By construction material

  • Timber bridge
  • Concrete bridge
  • Stone bridge
  • R.C.C bridge
  • Steel bridge
  • P.C.C bridge
  • Composite bridge
  • Aluminum bridge

3. By inter-span connection

  • Simply supported bridge
  • Cantilever bridge
  • Continuous bridge

4. By positioning of bridge floor to superstructure

  • Deck through bridge
  • Half through or suspension bridge

5. By connection types

  • Pinned connection bridge
  • Riveted connection bridge
  • Welded connection bridge

6. By span length

  • Culvert bridge (less than 6 m)
  • Minor bridge (less than 6 m-60m)
  • Major bridge (more than 60 m)
  • Long span bridge (more than 120 m)

7. By function

  • Aqueduct bridge (canal over a river)
  • Viaduct (road or railway over a valley or river)
  • Pedestrian bridge
  • Highway bridge
  • Railway bridge
  • Road-cum-rail or pipe line bridge

Discussion

Let us presently talk about the significant types of bridges generally utilized nowadays.

In the event that a steel bridge is built to convey thruway traffic it is known as a Highway bridge. In the event that it is developed to convey railroad traffic, at that point it is known as a Railway bridge. There is likewise a consolidated expressway and railroad bridges are developed to convey both the traffic. A few bridges which are built only for walkers, cycles, and creatures are known as Foot bridges. Additionally, those bridges which are developed to convey channels and pipelines are known as reservoir conduit bridges.

A bridge might be a course, significant level bridge or submarine bridge. A duct is a bridge having a gross length of six meters or less between the essences of projections or extraordinary vent way limits and estimated at right edges thereto. A significant level bridge is normally built to convey a street over the most elevated flood level. A submarine bridge is a bridge which is intended to be in a sub condition during the floods.

A bridge might be fixed or portable type. A fixed bridge is the one which is developed to stay in its unique position consistently. A mobile bridge is the one which can be deftly moved either evenly or vertically for the most part to pass a channel or traffic or to permit a stream.

A bridge can be named a deck type or through type. A deck type bridge is the one wherein the street/railroad floor lays on the head of the supporting structures, while a through bridge is where the street/railroad floor lays on the base of the fundamental burden supporting structure. Notwithstanding, when the floor lies between the top and base of the primary supporting structure, it is known as half through type bridge, semi-through bridge or horse bridge.

Types of Bridges