Preview

Classification and Division of Beam and Arch Bridge

Satisfactory Essays
Open Document
Open Document
324 Words
Grammar
Grammar
Plagiarism
Plagiarism
Writing
Writing
Score
Score
Classification and Division of Beam and Arch Bridge
There are three basic types of bridges, two of them are the arch and beam bridge. Of the first type the form of the load-bearing structure or its actual shape is convex. The load of an arch bridge is carried outward along the curve of the arch to the abutments at each ends. These abutments or supports carry the load and keeps the ends of the bridge from spreading out.

Arch bridges can be divided into two major types, the old and the modern arch bridges. Under the first types are the Corbel arch bridges and the Aqueducts, both are designed that each succeeding layer over the other. The materials used for the first type are simple masses of stone bricks which made it last until the present times. Of the second type more complex procedures, calculations, and equipments are used to build these steel bridges. Under the second type are the Deck arch bridges, through arch bridges and Tied arch bridges. All of these are used to bridge large gap with their strong and beautiful structures which makes it not only a way of transportation but also a piece of attraction among large cities.

On the other hand, Beam bridges have the form of the load-bearing structure or its actual shape is simply flat. The load of a beam bridge is basically supported by its piers or foundations. The beam bridge is horizontally self supporting. It exerts mainly vertical downward force on its foundations.

There are two main types of beam bridges namely the simple span beam bridge and the cantilevers. The simple span beam bridge is found in practice to provide the most economical form of bridge, it is simply defined as a bridge supported at its ends. The cantilever provides a means to make beam bridges of considerably greater spans; it is also called the girder bridge. These beam bridges are basically made up of steels and

You May Also Find These Documents Helpful

  • Good Essays

    Truss Bridge Design

    • 946 Words
    • 4 Pages

    Research of Bridge Designs Warren Truss Bridge: It is considered one of the simplest and strongest bridges. It uses equilateral triangles. The equilateral triangles minimize the forces to only tension and compression. When the load is centered in the middle of the bridge, all the forces are larger. Its advantages are that it is fairly simple, and spreads loads fairly evenly between the members. The disadvantages are that it has poorer performance under certain loads. It is best used for long span structures.…

    • 946 Words
    • 4 Pages
    Good Essays
  • Satisfactory Essays

    What Are Truss Bridges?

    • 279 Words
    • 2 Pages

    Truss Bridge is a one bridge style from a variety other bridges types. The truss bridge is made with a simple skeletal structure. This type of bridges is conceded as a one of the strongest simple design and cost less. Truss bridges were founded early in the history, and they were built from wood and iron at the first time, which was different than any other bridge that was made of stone. However, nowadays, truss bridges are made of steel. Truss bridges have many types include, the Pratt, the Warren, the Parker, the Camelback, and the Pennsylvania. This report will focus on the Warren Truss bridges. This bridge was named after James Warren in the 1848 (Garrett Boon, 2011). It best used when a simple design is required, and a quantity for a long…

    • 279 Words
    • 2 Pages
    Satisfactory Essays
  • Good Essays

    Most suspension bridge roadways were lighter because light structure would put less stress on the cables. However, this light structure would not be a good support for the bridge since it can sway in the wind. Therefore, Roebling decided to use steel wires to support roadways which is why the bridge was considered not only a suspension bridge, but also a hybrid cable-stayed bridge. Just like any suspension bridge, Brookyn Bridge has anchor, approaches, towers, deck, cable, hanger and foundations. The marvel stone towers of the bridge are made of mostly granite with a mixture of limestone and Rosendale cement. These towers are considered gothic towers due to its similar visual to Gothic architecture from medieval period. Additionally, these two towers have arches that can be compared to a Roman architecture “ The Arch of Constantine” (History,…

    • 928 Words
    • 4 Pages
    Good Essays
  • Good Essays

    Essay On Truss Bridges

    • 536 Words
    • 3 Pages

    Truss bridges are recognizable because of their numerous, relatively small interconnected triangles. This framework of triangles is used for is strength to withstand tension and compression forces. They are considered a light-weight yet a very stiff form of construction. At first they were built of wood, then with the discovery of welding they began to build then using iron, then steel. Occasionally, a combination of the materials may be used. There are actually 30 different kinds of truss bridges. Truss bridges were commonly built before the 1930’s. They are considered expensive to build today and are considered to be labor intensive and costly to maintain. Truss bridges are frequently found to be used for railroad bridges and typical spans can range from 40m to 500m.…

    • 536 Words
    • 3 Pages
    Good Essays
  • Good Essays

    The first being that both the top and the bottom chords for the anchor and cantilever arms of the bridge were mostly designed as straight pieces. This was done to make the construction of the bridge easier and cheaper. The top chords that attached to the anchor and the cantilever arms on the Quebec Bridge were created to be slightly curved, because the engineers believed it looked more aesthetically pleasing. However, the curvature of the chords added to the secondary stresses on the members, and reduced their buckling capacity. The engineering records for the building of the Quebec Bridge has stated in it, “As a rule secondary stresses are much more dangerous in tension that in compression members, which seem to have been the first to give way in the Quebec…

    • 1508 Words
    • 7 Pages
    Good Essays
  • Good Essays

    One of Roebling’s greatest implementations in the Niagara Falls Bridge was his lattice truss design. Unlike the standard lattice truss systems where the diagonal beams lie over each other, his system interlaced the diagonal beams. This provided the structure with a higher rigidity than what was previously possible using traditional methods. This design was not flawless, however, as it substantially reduced the effectiveness of the diagonals. Roebling thought this compromise was acceptable given that the bridge supports served to buttress the system. Another advantage of the diagonal iron bands is that it avoids wooden joints which are comparatively movable and reduce the resistance of the system. A horizontal giving way (buckling) of the truss level is not possible since at the final point the vertical poles take only pulling tension…

    • 227 Words
    • 1 Page
    Good Essays
  • Good Essays

    A truss bridge is a bridge whose load-bearing super structure is composed of a truss, a structure of connected elements forming triangular units. The connected elements are typically straight. The truss bridge is different because it uses triangles, its way brought about in the 19th and 20th century. in paragraph citation (author, year) ) J.B. Calvevt Created July 19 2000.…

    • 733 Words
    • 3 Pages
    Good Essays
  • Good Essays

    The Five Types Of Bridges

    • 706 Words
    • 3 Pages

    The five main types of bridges are arch bridges, truss bridges, beam bridges, suspension, and cable-stayed bridges.…

    • 706 Words
    • 3 Pages
    Good Essays
  • Good Essays

    Anzac Bridge

    • 342 Words
    • 2 Pages

    The materials that were used to construct this bridge consisted of prestressed concrete, steel casings, prestressed steel, reinforcing steel wire strands and polyethylene. It was built on each side of the land and was eventually connected together in the middle. It was constructed by using a formtraveller (a travelling formwork) and setting up the formwork before positioning and tensioning the cables. They then proceeded to place the reinforcement cement and pouring on the concrete. This was made in a cycle with each cycle being used to make…

    • 342 Words
    • 2 Pages
    Good Essays
  • Good Essays

    Unit 18 P4

    • 782 Words
    • 4 Pages

    Furthermore, they tend to be squarer when in a cross section than beams. Columns in most cases carry a vertical load downwards to which is usually a supporting foundation and are connected to the beams by either a weld or bolts.…

    • 782 Words
    • 4 Pages
    Good Essays
  • Good Essays

    Humans have tamed steel, stone, lumber, and even living vegetation, all in effort to reach the people, places, and things that we desire. Although the concept of bridges is as simple as a tree falling across a creek, bridge design and construction requires very serious ingenuity. Artists, engineers, and architects pour vast resources into bridge construction so that they can reshape our daily environment for the better. When building bridges you’ll need help from BATS which are the key structural components of bridge construction such as beams, arches , trusses, and suspensions. Various combinations of these four technologies make it possible for numerous bridge designs, ranging from some bridges as simple as beam bridges, arch bridges, truss bridges, and suspension bridges to more complicated bridges like side-spar cable-stayed bridges. Some of the key differences between these four types of bridges is the lengths that they can cross a single span, which is the total distancve between two of the bridges supports. Bridges supports can take the forms of columns, towers or even the walls of nature around the bridge like canyons. Beam bridges range up to 200 feet , while modern arch bridges can reach up to 800-1000 feet safely. Suspension bridges on the other hand are able to extend from 2000-7000 feet across. Compression and tension are present in all bridges and they are capable of damaging parts of the bridge as varying load weights and other forces act on the structure of the bridge. It is the job of the bridge design to handle these forces without buckling or snapping. Buckling occurs when a compression is able to overcome a objects ability to endure that certain force. Snapping is what happens when tension surpasses an objects ability to handle the lengthening force. The most effective way to deal with these powerful forces is to either dissipate them or transfer them. With the dissipation the design allows the force to be spread out over a greater area so that…

    • 2242 Words
    • 9 Pages
    Good Essays
  • Good Essays

    Trust Design Bridge-Pratt

    • 443 Words
    • 2 Pages

    They are a lot of major subtypes of the Pratt design. Like the Double Intersection Pratt Trust. This subtype was patented in 1847 by Squire Whipple and modified in1863 through addition of crossed diagonals by Lehigh Valley Railroad chief Engineer John W. Murphy. Also there's the Pratt Half-Hip subtype was developed during the latter part of the nineteenth century. This bridge is characterized by inclined end posts that do not extend the length of a full panel; this subtype became popular in the United States from the 1890s into the early twentieth century. Then there's the Parker truss was developed by C.H. Parker in a series of patents he filed between 1868 and 1871. Characterized by Pratt design but with an inclined top chord, the Parker truss was popular for longer spans well into the twentieth century. Also there's the Baltimore Truss developed in 1871 by engineers of the Baltimore and Ohio and Pennsylvania railroad, the Baltimore truss subtype was popular into the early twentieth century. The Baltimore truss was…

    • 443 Words
    • 2 Pages
    Good Essays
  • Good Essays

    The Arch: The St. Louis Gateway Arch is in the form of an inverted catenary, which is a very stable structure that is often used in bridges, domes, and arches.…

    • 350 Words
    • 2 Pages
    Good Essays
  • Good Essays

    Truss Bridges

    • 2016 Words
    • 9 Pages

    Foreword: I composed this brief and informal overview of truss bridges and Balls Bridge to put this beautiful historic bridge 's history and significance into context. A version of this document with full-color photos is available on my website 's Balls Bridge Page located at www.historicbridges.org/ontario/balls/index.htm which also has more information and photos. The general truss bridge information in this document was adapted from a formal research paper I composed. This paper, which cites the many different sources I used to produce the history of truss bridges, is available at www.historicbridges.org/info/intro/trusshistory_c.pdf in PDF format. The metal truss bridge features a network of metal beams arranged in a pattern based on triangles that work to support the bridge. The metal truss bridge was essentially the result of the transition from wood to metal for use in bridge building. Although experiments in metal bridges had been going on for many years, it was not until the 1870s that metal bridges began to take off and began to be the preferred material over wood. During the 1870s, the bowstring truss became the preferred metal bridge structure type. By the early 1880s however, the bowstring truss bridge fell out of favor to the stronger and more easily designed pin-connected Pratt truss bridge. Pin connections allowed for easy assembly of the truss parts at the construction site, and required little skill to erect. From roughly 1880 through 1910, the pinconnected truss bridge was the most common bridge type built. The numerous bridge companies around at the time designed truss bridges to market to townships and municipalities. These companies, mostly free to design their bridges as they wished, would often develop their own style of truss bridge, which resulted in a wide variety of appearances from bridge to bridge. Some were simple, and relatively plain, while others were…

    • 2016 Words
    • 9 Pages
    Good Essays
  • Better Essays

    Building a Spaghetti Bridge

    • 2852 Words
    • 12 Pages

    From this it was learned the bridge held 14.4kg which is 140N therefore one Truss held 70N. These calculations helped us understand how our bridge coped with the forces and helped us answer the question of what caused our bridge to fail and where our bridge failed?…

    • 2852 Words
    • 12 Pages
    Better Essays

Related Topics