What is Bascule bridge?

Bascule Bridge is a type of drawbridge consisting of two anti -paired leaves or span that turns up on a horizontal axis to allow shipping. The counterweights help to equalize each side of the bridge during the swing up, which helps with a lifting movement. Bascule bridges are most often found by moving bridges in the world, most likely because they open quickly and easily as soon as they are established and work on very low energy.

Bascule Bridge came in medieval Europe to help defend castles and towns. These first moving bridges were operated by men using a reel and counterweight. One part of the old London Bridge was actually a bass or a drawbridge, and was sometimes raised to allow boats with high masts. In the 19th century, however, the bridges of Bascule became popular to help navigate large ships. The first large Bascule bridge, Blagoveshchensky Bridge, was built in St. Petersburg in 1850.

There are two primary types of Bascule bridges - one leaf and a double leaf. One leaf bridge Bascule is composed of several connected elements and its counterweight is increased above the bridge. Similarly, a BASCule bridge with a double leaf is built, but the anti -bridges are located. Most Bascule bridges are a double leaf and consists of two sheets or spans that meet in the middle of the navigation canal. Individual leaf bridges consist of only one sheet or span that connects to the opposite side of the channel.

There are many variations and designs of Bascule bridge, including bridges on the heel and rolling. Bascule Bascule bridge on the heel, also known as a solid turnover, has an anti -river and bridge on separate turns. During the opening, the Bascule Bascule bridge on the track. There are also bridges of Bascule bridges that do not have a counterweight at all, are the most famous 16. Since the 19th century was paThere are many other variations, but the heel continues to be the most popular and widely designed.

Bascule Bridge is preferred to other types of moving bridges because it offers the fastest operation and greater safety. Can open the channel for large ships after access without the risk of collision. Bascule bridges also have the ability to allow smaller vessels to go through only partially.