Project Management Assignment

The final primary component of a suspension bridge is the deck, or the roadway upon which cars drive and pedestrians walk. The deck is built from massive pieces of steel-reinforced concrete hoisted into the air and laid into place upon the bridge. Deck pieces are connected with bolts and rivets, then suspension cables connect each section of deck to the main

Since the bridge is a "critical piece of infrastructure" connecting drivers traveling between Arizona and California, the goal of Caltrans was to speed up the design and construction of the bridge. Caltrans selected Accelerated Bridge Construction (ABC) methods to significantly

Errrrr spack as the construction workers fall to their death. 11 people died while on the golden bridge working on the bridge. After all those deaths they later installed a net and many people were saved.There are many types of bridges like suspension,beam, truss and arch.So in this nonfiction essay you will know all about suspension,beam, truss and arch bridges. There are many types of bridges that are used for different things. This essay is about different bridges. A suspension bridge is usually a big bridge that stretches a long ways.The first model of a suspension bridge was built in the 1800s in and is used today. Suspension bridges have long cables that hold the bridge without piers. A suspension bridge is a very expensive Bridge because of the materials that it uses. A suspension

The FHWA has recommendations for new designs and existing construction. Some of the recommendations for new designs are: Use continuous spans rather than simply supported spans; this will reduce the need for expansion joints and thus minimize the potential for span separation. A side benefit of this practice will be a reduction in joint maintenance costs. And, use earthquake-protective systems (e.g., seismic isolation), where appropriate, to minimize the seismic demand on bridge members.

Design Elements: While building this bridge, the first design element, was the deck design. We took around one horizontal length of vertical popsicle sticks and lined them side by side, and repeated. Later we connected them together with a horizontal popsicle stick. I then took two lines and placed them ontop of eachother to create a flat surface. This way it will carry a lot of weight, and it will also run smoothly. After this I created trusses to put on the side, so that the weight would be evenly distributed amongst the bridge, instead of all the weight on one part. This would help stop the bridge from immediately bending once weights were put into the bucket. To make the trusses I had to take popsicle sticks and glue them into a triangle shape, and then glue them together from the bottom. This way they wouldn’t break apart. I then doubled them up so that it would be able to sustain more weight. Under the bridge I placed a lot of beams, so that the bridge would hold together from the bottom, instead of immediately bending once I placed a weight. I made the beam from gluing

Collision forces, caused either by a service vehicle striking the structure, or by some moving object in the channel beneath the bridge, for the foundation of a bridge may be struck by logs, ice, by a ship, or by a derailed locomotive;

On top of all this the proposed design would also need to be tested as it is not the same as the previous one which had been tested. A mathematical solution to be used for the designing of the bridge was not possible due to the fact that not much was known that has caused the collapse of the old bridge (Gimsing, 2011). While putting into consideration these conditions, the engineers opt to design the replacement and then add subject scale mockups to the design specifically constructed on a wind tunnel located in Washington

Other reasons are also relevant, for instance the bridge deck being very light and very narrow in comparison to the rest of the bridge.

High rate of population grow and improvement in the technology forced individuals to move to rural area. As a result, they use more and more personal vehicles for traveling and commuting to urban areas and big cities each day. On the other side, most bridges in Canada and United States by now are more than 50 years old. Therefore, soon or later, rehabilitation or replacement on bridges are unavoidable (John R. Fowler). However, how to manage the bridge rehabilitation or replacement by having minimum effect on traffic is one of the biggest concern for engineers all around the world.

Introduction: Bridges are constructed to withstand the forces of compression,tension,shearing,and torsion in a variety of ways. These consist of I beams , steel , arches, truss’s, bounded steel(suspension bridges) and even beams. Compression is the act when an object is being compressed or compressing , while tension is when an object is being stretched. Shearing in a bridge is when the bridge begins to bend , suspension bridges combat it very well. If built incorrectly bridges can undergo ,causing immense amount twist action to occur.

These bridges were built from locally available building materials, like limestone or tufa, and hence had a maximum height limit empirically determined by the Romans to be around 50 m {RA&WS hodge p129}. Bridges were preferred over reverse siphons for valley crossing for a few reasons; the materials for the bridge were quarried locally, so there was no need to transport large quantities of heavy lead long distances from the mines to the build site, leading to a significant drop in building cost; construction with brick and cement required lower skilled labor, like slaves or semi-skilled laborers, than working with lead pipes which required skilled welders to join

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

The first change was that the piece at the base of the bridge located on either side was moved from the inside to the outside on the bottom of the bridge. I changed this because it was easier to glue the two sides of the bridge together if it was on the bottom. This change didn’t drastically change the bridge but it did make the bridge closer to the 2cm block it had to be under at the starting point. The second change that I added the braces to the wood pieces that made up the triangles. This helped my bridge because it made it easier to keep the pieces of the bridges together. It also made the construction process cleaner and easier so I would be able to execute the rest of the design with more success. The third and final change I made to my design was that I removed the piece of wood that was connected to the top of the bridge and the braces. I made this change because I thought that the help it would provide to the bridge would not be worth the added

Once the Project Startup work is complete, the Contractor will start the Utility Bridge work by the Support of Excavation for the Northwest Abutment, the Demolition of the Canal Wall of the Northwest Abutment, the Excavation of the Northwest Abutment, and the Construct of the Northwest Abutment Foundation. The Contractor will repeat the same steps above to construct the Southwest Abutment Foundation. Finally the Contractor will install the Utility Bridge.

Firstly, the four anchorages had to be constructed which would serve as a foundation for the towers and anchorage for the cables of the bridge. The north tower was built onshore while the south tower had to be built offshore in the ocean.