have to increase the total number of all pedestrian traffic like footbridge. With the time changed, the safety and technical of bridge structure form has also changed and improved. Nowadays, almost footbridge in Hong Kong is made by concrete including prestressed concrete bridge. This project will discuss about some basic structure analysis of prestressed concrete bridge and design a newly footbridge according the structure design manual for highway department. First, there is several type of the
several projects made by different companies. There are several types of projects which include the software development that is made by the companies in order to improve their systems and provide the better services to the customers. The construction of the building or the bridge is also the examples of the projects. The project management is the process that helps to manage the project and provides different techniques to the individuals in order to successfully complete the tasks. The project management
Leonardo da Vinci designed a 240 meters bridge it would have been the longest bridge in the world. His plan was ambitious. In 1502, a skeptical sultan rejected Leonardo's design as impossible, but 300 years civilization finally embraced the engineering principle - arches as supports - underlying the construction. The bridge has been constructed, in Norway. Now instead of spanning the Bosporus , his visionary creation was destined to span 500 years as a bridge to another millennium. Vebjorn Sand
imperial powers against difficulties which had never been encountered before. One such difficulty is that of the local wildlife in Africa, such as lions or other big game animals. In The Man-Eaters of Tsavo, by Colonel John Patterson, a railway bridge project in East Africa is terrorized by a pair of man-eating lions. This completely true story shows the great difficulty in colonizing Africa by demonstrating the somewhat harsh environment of Africa. The story begins with Col. John Patterson arriving
years, there have been many bridge that have collapsed, causing many lives to be put in danger and lost. This project is to determine how much weight it would take for different scale model designs of truss bridges to collapse when weight, pressure, and gravity is applied to them. This experiment will test which truss bridge designs of, Pratt, Warren, and Howe. I chose this project because I want to see which truss bridge could hold the most weight capacity. Bridges are structures used by people
upcoming projects and ideas, and recognized achievements of members within the school community. Based solely on the meeting held on February 19, the responsiveness of the board to meet the needs and requests of citizens was commendable. Among the major projects and proposals addressed were the Building Project at William J. Johnson, the tuition policy at Bacon Academy, and Joseph Hage’s proposal to build a bridge behind Bacon Academy. Brought to discussion by Ronald Goldstein, the Building Project at
There are many types of bridges. Some bridges has many strength and weaknesses. For example, a beam bridge’s weakness would be that you have to use a lot of stone starting up from the ground. Another example would be how a suspension bridge’s strength would be it flexibility, like the Golden Gate Bridge. The engineering process for a bridge would be to first make sure everything will be symmetrical. Secondly, from that symmetrical blueprint, the construction of the bridge is now good to go. Lastly
One of the most common types of bridges in the world is a truss bridge. It uses triangles, which are very stable shapes, to create frameworks that can distribute the load through the bridge, also known as trusses. The trusses are also able to increase the overall strength of the bridge and protect the deck from warping. Examples of truss bridges include the Warren, the Pratt and the K-Truss designs. The most common bridge design for real and model bridges is the Warren design. It was patented
Structures A bridge is a type of transportation infrastructure that is built to join two separate points of land together. Bridges often undergo construction in order to provide passage over certain obstacles such as bodies of water or geographical depressions. They can be classified in several different ways including by their intended use or by the materials used to make them. A bridge built solely for people to cross over is classified as a pedestrian bridge. Likewise, a bridge made out of
history. A thorough investigation revealed fatal flaws in the design of the walkway which indicated it could not hold such a heavy load. However, it was discovered that the bridge may have prevailed had it not been for carelessness and unethical shortcuts on the part of the engineer in charge of the project.
Our task at hand was to build a bridge, but not only that, it was to build an efficient bridge. For it to be an efficient bridge it had to hold more weight, than it weighed. We had to be able to design and build our own bridge. Both of which had to be good, because if either one was subpar, our bridge would not have been efficient. Not only did we have to do that, but we were held to many constraints and rules. The hardest challenge for me was that there were so many variables I could not account
I Wish to Pursue Structural Engineering A simple bridge truss was the first structure I ever analyzed. The simple combination of beams that could hold cars, trains, and trucks over long spans of water fascinated me. Having the tools to analyze the loads on the truss further increased my interest in structures. I encountered the bridge in a textbook for my first engineering class. Knowing that the professor, Mr. Paul Davids, was a tough teacher, I asked him for the textbook so I could study
the same year that Paris hosted the first World’s Fair. He spent several years in the southwest of France, where he supervised work on the great railway bridge in Bordeaux. In 1864 he set up his own business, specializing in metal structural work. Eiffel built hundreds of metal structures around the world. Bridges, and in particular railway bridges, were his favorite fields of work. He also won renown for his industrial installations. His career was marked by a large number of fine buildings. Two of
The article “Hyatt Regency Walkway Collapse” brought attention a famous case of failed structural design and engineering, analyzed the history of the building’s design and construction, and considered what is to blame for the accident that occurred. The Incident During a party in the lobby of a Hyatt Regency Hotel located in Kansas City, Missouri, the night of July 17th 1981, two suspended walkways collapsed after the connections holding them up to the ceiling failed. The box beams separated from
capital; labour, land and enterprise are already in place. However for bridges for example the local authority lacks the equipment, i.e. capital and labour to provide the service to repair them. In this case it would no longer be efficient to acquire the necessary labour and capital to repair the bridge. This might work out at £10,000 per meter. At this point the choice appears whether to contract out the repair of the bridge to a private company who have the capital and labour to provide this service
REFORMING STRUCTURAL INTEGRITY OF BRIDGES: ANALYSIS ON THE COLLAPSE OF I-35W With over six and a half million kilometers of roads and over two hundred fifty million registered vehicles, the United States must work to maintain the structural integrities of its roads and prevent unnecessary loss of lives. On August 1 of 2007, at precisely 6:05 PM, the I-35 West Bridge collapsed in Minneapolis, Minnesota, killing thirteen people and injuring another one hundred and forty five. The incident left the
load-bearing axle rated as high as 13,000 pounds (5,897 kg). Trailing 11 to 13 feet (3.35 to 3.96 m) behind the rear tandem, the trailing axle stretches the outer "bridge" measurement—the distance between the first and last axles—to the maximum overall length allowed. This increases the gross weight allowed under the federal bridge formula, which sets standards for truck size and weight. Depending on the vehicle length and axle configuration, Super dumps can be rated as high as 80,000 pounds (36
The Structure of the Millennium Bridge Introduction In June 2002 the Millennium Bridge was opened to the public. This was going to be an extraordinary day for engineers as new designs and structures had to be used to keep to the specifications of the job. Although with most bridge structures there is always a degree in movement, the Millennium Bridge had large groups crossing the bridge at one moment in time, this then caused a greater than expected sideways movement. This made people
This report covers the superstructure design of the new US 69 Bridge proposal along with a cost estimate for this portion of the project. The old bridges will be replaced with a new four-lane bridge along with a shared use path. The dimensions of this bridge are 77 feet across and 2250 feet in length. Traffic barriers will be placed along the edge, between traffic directions and between traffic and the shared use path. A total of nine spans will used with three being 450 feet in length and six being
The results show that the bridge in Case 1 collapsed under 44% of the total applied load with 0.097 inches bending displacement and 0.45 inches buckling displacement, as shown in Figs 10 -11. The bridge collapsed due to the huge lateral movement at the top of the webs, which caused a loss of stability and ability of the webs to carry any load, Figs 12-13. The value of the bending displacement is small compared to the value of the buckling displacement because almost no bending moment was created