A bridge is a structure carrying a pathway, roadway or railway across the river, valley or any obstacle. The purpose is to connect two places.
The 6 most common types of bridges in the world include :
• Beam Bridges
• Arch Bridges
• Suspension Bridges
• Cantilever Bridges
• Truss Bridges
• Cable-Stayed Bridges
The designs of the bridges depend on the type of terrain they are built, the material used to construct it and the financial resources available for it.
The oldest stone standing bridge in China is the Zhaozhou Bridge, built during the Sui Dynasty in 605 AD. Over around 1400 years later, the bridge is still standing very sturdy today. The bridge is also considered the world’s oldest stone segmental arch bridge.
Beam bridge, also known as girder bridge, is the simplest type of bridge. They are also the most common bridge type in the world today. It only requires a horizontal structure and two supports, one at each
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The basic principle of arch bridge is because of its curved arch design. The supports on each side are called abutments. When there is load on the bridge, the forces of the load is transferred to the abutments instead of pushing straight down. One of the disadvantage of the arch design is without the firm abutments, the arch bridge will collapse. The earliest arch bridge was constructed by the ancient Greeks, it is called the Mycenaean Arkadiko Bridge and it is made up of stones. Today, steel and reinforced concrete are the two most common materials to build arch bridges all around the world. There are actually 5 types of arch bridges, it consists of Corbel arch bridge, Deck arch bridge, Tied arch bridge, Through arch bridge and Aqueducts and canal viaducts. The world’s largest arch bridge today is the Chaotianmen Bridge. It is located in Chongqing, China. The total length of the bridge is 1741 m (5712 feet) with a span of 552 m (1811
Have you ever thought about driving over a suspension bridge held up by cables? That’s what the Mackinac Bridge is. With the building of the Mackinac Bridge there has been many positive effects that have come out of it.
“It was designed with a twenty-two foot roadway and one five-foot sidewalk” (Silver). The silver bridge is a very long bridge. “An eye-bar is a long steel plate having large circular ends with an "eye" or hole through which a pin is used to connect to other eyebars (to make a chain) or to other parts of the bridge.” according to Richard Fields. The whole bridge was built using the eye-bar suspension.
The Bailey Island Bridge is located in Harpswell, Maine on Route 24. Before the making of the bridge, the fishermen that lived on Bailey’s Island wanted a bridge that connected their island to Orr’s Island. The town of Harpsweell made and voted on their decisions in the weekly town meetings (“Bailey”). The project was stalled because of some of the mainlanders in the town, but it was brought back up for discussion in 1912. They first agreed on a “road” which would connect the two islands and would be constructed with timber. This was to cost $3,000. The cost quickly reached $25,000 at a later town meting because they decided to build the bridge with stone and concrete instead. Once the legislature decided to pass a bill stating that it would fun state’s highway and bridge projects, they decided to move forward with the project (Hansen, 36).
According to Suspension bridges: Concepts and various innovative techniques of structural evaluation, “During the past 200 years, suspension bridges have been at the forefront in all aspects of structural engineering” (“Suspension”). This statement shows that suspension bridges have been used for over 200 years, and that people are still using them today because they are structurally better bridges. This paper shows four arguments on the advantages of suspension bridges, and why you should use one when building a bridge. When deciding on building a suspension bridge, it has many advantages such as; its lightness, ability to span over a long distance, easy construction, cost effective, easy to maintain, less risk
Compare with other types of bridges, suspension bridge can span the longest distance without using lots of material. However, if the issue of stiffness was not fully cosidered, vibration would be occurred on the bridge deck under high wind. A few week after the Tacoma Narrow Bridge was operated, the bridge start oscillation and its oscillation kept increasing day by day. Therefore engineers tried to build more cable between the bridge, but it is still unsuccessful. After four months the Tacoma Narrows Bridge was build, the bridgre which normally vibrated in a vertiacal motion, began to oscillate with the opposite side out of phase (torsional model), under the wind of 68 km/h. Due to the extremely violent oscillation, the failure bagan at the mid-...
How important are Miller's language choices and use of stage directions in aiming the audience to view Eddie as a tragic hero in the play ‘A View from the Bridge’?
Today the Roman arch is one of the most innovative tools that we have borrowed and perfected from the Romans. “During construction, arches are often supported by a wooden frame. When the frame is removed, both sides of the arch press against the keystone and thereby support the arch.” The Greeks and Romans started using aqueducts, which is where we got the idea of pipelines to distribute water. Aqueducts were constructed by building large bridge like structure that sloped slightly towards the destination it was going to. We borrowed that idea and now use pipes that are pressurized and push the water towards where it is
1. The Marco Polo Bridge Incident marked the beginning of further Japanese expansion in China. In the July of 1937, the Japanese conducted training without a notice, and the startled Chinese and the Japanese exchanged fire. One Japanese soldier from the small squabble was missing, and the Japanese accused the Chinese of taking him captive, demanding a full search of the area. The Chinese denied it, offering one soldier to accompany their thorough search of the area.
The bridge was designed at a time when America was moving toward streamline products, this included the design of bridges. The Tacoma Narrows Bridge was a sleek, graceful looking suspension bridge. Suspension bridges consist of many cables anchored...
Structures built using the Romanesque style of architecture include the use of rounded arches in their construction. These arches are known for being relatively durable and versatile in their use. Rounded arches resemble the shape of an upside down letter “u,” utilizing the semicircle at the top for structural integrity. These arches push weight outward to the left and right side, then downward. Rounded arches are visually simple and clean looking. However, they are unable to contribute to the building of extremely large structures. If they are constructed too tall, they will collapse under the weight of the building they are meant to support. Alternatively, Gothic architecture widely uses the pointed arch. Seen as a groundbreaking design at the time of its inception, pointed arches look exactly like they sound, with a pointed tip at the very top. They are favorable to rounded arches since they push weight directly downwards, allowing them to support heavier structures without buckling. These arches were capable of supporting the entire weight of the roof, meaning that the walls could be built significantly thinner than their Romanesque counterparts. Structural engineer and professor Mario Salvadori explains, “The main difference between Romanesque and Gothic arches lies in the pointed shape of the latter, which, besides introducing a new
The Golden Gate Bridge is a major tourist attraction in San Francisco, California. It is one of the longest suspension bridges in the world and it’s also the top suicide location in the world.The Golden Gate Bridge is a symbol of Northern California. The bridge serves as a means of transportation.
integrity by using a flared foothold, or pier, and the terrain to anchor each end of the span. It was
As Renzo Piano said “I don’t believe it is possible to build a tall building in London by extruding the same shape from bottom to top. It would be too small at the bottom and too big at the top. Likewise, symbols are dangerous. Often tall buildings are aggressive and arrogant symbols of power and ego, selfish and hermetic. The tower is designed to be a sharp and light presence in the London skyline. Architecture is about telling stories and expressing visions, and memory is part of it. Our memory is permeated by history.” The architect and the developer have made the London Bridge Tower, as The Shard was previously known, one of the most discussed buildings of London over the last 10 years.
The tower of Pisa is a well known masterpiece of architecture and it is considered the crowning glory of Pizza. It is the tallest building structure in the whole of Europe and a real example of the medieval engineering . The tower of Pisa is also known as the bell tower and it is a part of a big complex that includes four important buildings. The tower was built by Guglielmo and the sculptor Bonanno and the tower was made of some storeys and its final point is the bell. The purpose behind building the tower was to use it for gravity experiments. In addition , people of the city wished to display how wealthy and prosperous they were. The construction of the tower began in 1172 and it was constructed in the city of Pisa. It took 234 years to build this tower as it was built in three stages. It is known as the leaning tower of Pisa because of the leaning of its foundation and every year the leaning of the tower increases for some inches. The exact cost of constructing the tower is not known because the tower was built over some stages. However, it is estimated to be very high.
An elevator is a mechanism for moving people and freight from level to level in a