What might happen to a clapper style bridge?

What might happen to a clapper style bridge?

Some larger clapper bridges, such as at Dartmeet and Bellever, have collapsed – their slabs swept away by floods, or raided for building or wall construction – and have since been rebuilt. One example is the Anping Bridge in China, being over two kilometres long.

What are the disadvantages of suspension bridges?

List of the Disadvantages of Suspension Bridges

  • Suspension bridges can struggle to support focused heavy weights.
  • There is less flexibility with a suspension bridge.
  • High winds can cause a suspension bridge to start vibrating.
  • Some access below the deck may be necessary during construction.

What is the clapper bridge made out of?

earliest known bridges are called clapper bridges (from Latin claperius, “pile of stones”). These bridges were built with long, thin slabs of stone to make a beam-type deck and with large rocks or blocklike piles of stones for piers.

How big is the clapper bridge at Postbridge?

The clapper bridge at Postbridge is believed to have been built in the 13 th century. Postbridge is a small hamlet near the bridge. The large stone slabs are locally called posts, and that is how the little village got its name. The slabs are more than 4 metres long and 2 metres wide and each slab weighs around 8 tonnes.

Where are clapper bridges located in the UK?

Clapper bridge. A clapper bridge is an ancient form of bridge found on the moors of Devon (Dartmoor and Exmoor) and in other upland areas of the United Kingdom including Snowdonia and Anglesey, Cumbria, Derbyshire, Yorkshire and Lancashire.

What kind of bridge is Dartmoor clapper bridge?

Clapper Bridges and Leats on Dartmoor Postbridge Clapper Bridge, the archetypal and most famous clapper bridge on Dartmoor Clapper bridges are built by large flat slabs of stone, mostly granite, supported by stone piers or by the banks of streams and rivers.

What was the purpose of the clapper bridge?

Its slabs are over four metres (13 ft) long, two metres (6 ft 6 in) wide and weigh over eight tons each, making the bridge passable to a small cart. It was first recorded in 1380 and was built to facilitate the transportation of Dartmoor tin by pack horses to the stannary town of Tavistock .