The Truss Bridge By David Plowden

The purpose of the Boomilever Project is to build a cantilevered truss that is light-weight while still able to support 15 kilograms. With this project it serves to reinforce the cumulative concepts that have been taught throughout this semester of Engineering Statics. It has been necessary to research designs, types of wood, and types of adhesive that will create a final result that is consistent with the

Foundation tasks are normally planned and built utilizing entrenched points of reference. The Goodwill Bridge is an unordinary bit of framework in that the type of the structure was vigorously impacted by a stylish and sculptural idea that was chosen by the customer by means of a building configuration rivalry. Not at all like most foundation tasks, there were few if any points of reference whereupon the specialists could draw.

Yarden: While creating our bridge our initial plans were much different than what our final product was. The more we worried about the strength of the bridge, the less time we had. We started off with the idea to have a truss bridge made of wood and cardboard. As shown here, (show picture from journal entry), but as the project progressed our ideas continued to change.

"The book is really good, it tells a story about a man who has to blow up a bridge during the spanish civil war. It is a exciting story and a good book to read. The story starts like this: The novel graphically describes the brutality of the civil war in Spain during this time. It is told primarily through the thoughts and experiences of the protagonist, Robert Jordan. It draws on Hemingway's own experiences in the Spanish Civil War as a reporter for the North American Newspaper Alliance.[citation needed]

Bridges are a vital part of people’s everyday life and without them people would not be able to do nearly as much as is possible today. The weather in the outer banks of North Carolina is very rough and can be very detrimental to the various structures on them. When hurricanes come near North Carolina the outer banks are hit the worst. Bridges on the outer banks keep being destroyed by weather and so the people there have to think about the cost, the effectiveness, and the need between a strong expensive bridge that will be able to handle rough weather or a cheap quick to build bridges that may fall with any extreme weather.

Since the early days, the men try overcome environmental challenges and, in this process, ends up creating amazing masterpieces of engineering. Among this works, the bridges appears as the clearest representatives of how the mankind could adapt to Earth’s contours. If the shape of landscape can’t be changed, the bridges are the solution to link two places and allows the connection of the traffic to improve aspects such as the communication and the trade. Depending to the need, to the sources and to the environment, the bridge can be constructed in a specific configuration. There are five main sorts of bridges configurations. First, there is the simplest bridge, the beam bridge. Second, the arch bridge, one of the oldest kind. There are the truss, composed of set of trellises. Lastly, there are the cable-stayed and

The Pratt truss bridge was originally founded by Caleb and Thomas Pratt in 1844. It is mainly used to carry trains. The biggest advantage of this bridge was its low costs for construction and the materials to construct a truss bridge are minimal. It also use materials that is cheaper and light in weight. We can easily identify a pratt truss by detecting its diagonal members, which (excluding for the very end ones) all slant down and in toward the center of the span. The pratt truss was designed by applying few laws that related to the mechanics of materials concept. The bridge is mainly built using steel girders to support the construction of the structure. The below part of bridge weight is high so, it need an enough support to prevent from

Truss bridges have been around for a long time. I see truss bridges the most out of all the different types of bridges and to me it seems like the most popular type of bridge. In addition there are thirty different types of Truss bridges which means that there is a bigger variety of Truss Bridges instead of just having one type. Truss bridges have triangular shaped beams that go all across the bridge. The bridge also is above the roadway instead of under the roadway like the arch bridge. Truss bridges could also stretch very far. The longest cantilever Truss bridge that goes is called Crescent City Connection and it is 13,418 feet long with a width of 52 feet. There is also a really long Truss bridge that is near Hoboken, the name of the bridge

There are five major metal trusses-the Pratt, Warren, Parker, Camelback, and Pennsylvania. The Pratt truss is a simpler truss that was patented in 1844 by Thomas Pratt, an engineer. He used pins to connect the trusses together. Pratt trusses were used a lot in the last quarter of the nineteenth century and continued into the twentieth century. The Warren truss became more popular in the 1900s after engineers realized it was more structurally logical to rivet and bolt pieces together than to use pins. This truss bridge was fit for highway uses. The Parker truss, which derived from the Pratt truss, was developed in the mid-nineteenth century. It was well suited for especially long spans. The Camelback is closer to the Parker truss which could only be used for long crossings. The Pennsylvania truss is similar to the Pratt truss. It was developed in 1875 and also worked quite well for long

Hecox (2011) says that the arch structure of the Tillman Bridge makes the canyon walls hold the weight of both vehicles and the bridge itself. In addition, the arch structure allows a better vision of the canyon for the drivers, which was a request of the population to the engineers of the project. In the other hand, according to Jones (2015), the truss structure of the new St. Anthony Bridge also was requested by the population because they wanted to keep a truss bridge in that place. The author also affirms that the St. Anthony Bridge is a truss, but the project team proposed adding a posttensioned concrete bottom chord to the steel truss in order to reinforce it. The project team made this choice because one bridge in Minnesota has collapsed in 2007, and the engineers wanted to lessen the fracture-critical issues to avoid a new catastrophe. In addition, this posttensioning approach wiil make the structure redundant for both resiliency and long-term durability. In conclusion, both bridge's structures were right chosen in order to provide safety and beauty in both

The story owl creek bridge is written by Ambrose Bierce. It is a short story about a man, Peyton Farquhar, who try’s to tarnish the bridge and is sentenced to be hanged. This story takes place during the civil war while he is standing on the edge of the plank Peyton starts to dream of this escape back to his family. The author tells us in the story how Peyton is dreaming through the whole story and then he is hanged.

Warren truss has members joined only by angled cross-members. This forms equilateral truss. It is light and strong and makes an economical truss.

In the initial stages of it’s evolution, the truss took the form of a king post, a simple triangular shape, usually composed of timber with iron hardware, divided by a single vertical post connecting top and bottom chords. You can make

It is shaped in a way to transfer weight to the towers and anchors with its tension (O'Connor, 1971, p. 372). Cables are made of high strength wires spirally bound to form a rope (O'Connor, 1971, p. 372). Vertical cable suspenders that are fastened to the main cables hang the actual roadway. Stiffening girders and trusses are along the side of the bridge to distribute concentrated loads and help to keep the motion of the bridge at a minimum (Troitsky, 1994, p115).

Die Brücke, 1959 (The Bridge) by Bernhard Wicki is frequently acknowledged as a momentous anti-war film, though its significance is more nuanced and multifaceted. Its view on war is further ambiguous than the tedious representation would advocate. This was several years after the Federal Republic of Germany reinstituted the army, joined the NATO alliance in 1955, and reinstated the military draft of young men in 1956.