In Washington, the Interstate 5 bridge, which crossed the Skagit River, collapsed last month. The damage of this accident included two cars broke and three persons injured. According to officials, the bridge fell into the river after the large truck hit a beam. The bridge had a risky condition called facture critical. The U.S has a lot of bridges; however, nearly two thousand bridges were built between the middle of 1950s and the 1970s, so those ones are obsolete bridges. In addition, back then, the government cut corners in bridge buildings to cost reduction. Although gas and diesel taxes attempted to allocate to restored the bridge, the government cloud not collect money enough to repair the bridge because people began to use efficient vehicle.
1. On Thursday, 15 December 2016, at approximately 1259hrs, I, SFC Brown-Horne 1CD RSSB SARC, received an email from SFC Woodard, Michael, (Collateral duty SARC for 553rd CSSB) requesting information about a formal complaint file 22 July 2016. This complaint was filed prior to the 1st Cavalry Sustainment Bridge deployment to Afghanistan. SFC Woodard informed me that, 1LT Schwartz stated that her informal complaints was not closed out properly. I, SFC Brown-Horne, replied to SFC Woodard replied in an email stating that COL Colavita did back briefed her on the closure of the case and his recommendations. I was present during that meeting on VTC. The COL informed 1LT Schwartz that the case was substantiated, he was relieved from command, and was given a letter of reprimand.
Ruby Bridge was the first African American child to go to an all-white school. Ruby at the time was only six years old and was the first to attend William Frantz elementary school in New Orleans in 1960. Everyday Ruby was escorted to school because of the mob that was standing around William Frantz. Everyday Ruby was scared because white people would stand around the school and call her a “Nigger” or they would put a black baby doll in a coffin and yell this is you people even threatened to poison her the lady that said that would poison her was the lady from the grocery store. Barbara Henry was the only teacher willing to teach Ruby because all the other teachers did not want a black student in there class with all the other white kids because they thought that she would cause trouble between all the students. Ruby practically had her own tutor because of the teachers, at the end of the year Ruby had to take another test to
Each course syllabus that was given to a Summer Bridge student consisted of a brief course description, outline of the course’s goals and objectives, and a detailed summary of what is required for the class. However, some syllabi were different from others as some included things such as the professor’s e-mail address, phone number and office hours.
In Mary Lawson’s The Other Side Of the Bridge, the proginist, Arthur Dunn faces many problems and obstacles throughout the novel, Arthur eventually overcomes his negative emotions and obstacles and comes to peace with them. Arthur overcomes his resentment and emotions towards Jake and overcomes his negative feelings towards Laura and the farm.
In the past construction also took less time. One reason for this is that safety regulations were not nearly as strict then as they are now. It was understood 80 years ago that any major construction project would come with the loss of life. According to Lisa Vorderbrueggen from Contra Costa Times, for every $1 million to be spent on a project regarding high steel work, there would be one death. In total the bridge cost was $77 million (equivalent to about $1.3 billion in current dollars) and resulted in 24 deaths (Vorderbrueggen).
The city made notifications not initially planned out and ultimately adding more dead load of the bridge which led to the collapse under too much load the bridge was intended to take. They also added railings to the bridge that did not meet current safety standards in 1998. By replacing them, it added more load to the bridge. During their last renovation of the bridge before the collapse, more concrete was going to be added. They chose to use mixing truck to pour concrete, but Minnesota specifications said that pouring of concrete was to be done on site and mixing trucks could not be used on state bridges. The company's actions to place trucks all over the site to pour their concrete while specifications said that concrete was to be mixed on site without trucks, shows how the actions taken by the company was not morally right in considering state regulations. Bridge construction inspectors determined that the concrete specifications meet required standards and consequently they determined that it was okay to place the materials on the bridge for the
The bridge has a very well designed ‘sustainability’ concept, relying on upcycled materials to complete the bridge. These upcycled materials consist of the wood, the fishing net, the oil barrels and the plastic shielding for the barrels. These materials can be used for functional roles in the design, such as platforms, floatation, safety lines across hand rails, and so on. The bridge’s sustainability concept can be further supported by the ease of replacing materials, and not throwing them in the bin. The materials such as wood, plastic and pieces of metallic bolts and nuts can be recycled and reused for other purposed such as furniture, storage or completely recycled back into a molten form for the metallic objects.
If the truck weight increases beyond first cracking, flexural cracks will propagate in all directions and cause yield in steel girders, which may lead to a collapse of the bridge such as collapse of the interstate 35 bridge near Minneapolis in United States. It collapses due to overload by heavy trucks as shown figure 1.2.
Majority of America’s roads and bridges were built for an earlier time and are now in poor condition (Petroski, 2016, pg. 9). Infrastructure is created with a design life that usually tends to be around fifty years (St. Martin, 2017). That timeframe though includes regular routine maintenance and while some components may last longer, each one will eventually reach a breaking point. Fifty years for many of America’s structures has come and gone, and within those fifty years no maintenance was completed. This is the one of the leading causes of the aging infrastructure that America is plagued with; structures reach their design life and become outdated before we can replace them. As an ever increasing nation, we are ever expanding but this
Die Brucke, or The Bridge, is a German film made in 1959. Set during the final days of World War II, it focuses on a group of seven boys, all aged around sixteen years old, who have dreams of heroically fighting for their homeland. While it was clearly not made to inform people about specific events of the war, it is based on a real event documented in author Gregor Dorfmeister’s eponymous novel. The story opens on a town in a war-stricken Germany.
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.
I wanted to let you both know that I am now a firm believer in the Study Island to Homework Help Bridge. Last year, when this was introduced in January, I made all my students complete all lessons in SI with a tutor. Oh Lord, I had parents and students call me furious and asking why was I demanding this out of them. Of course, the excuse was they hated doing it. I explained to them that I am not a math person! I just can't help students in Math from about the 6th grade up, and I was not knowledgeable in Science and H.S. English enough to teach them a lesson and for them to pass the assessment on SI. This was the only option they had and I just wanted them to be successful on their state test. It was going to be
Because of advancements in today’s technology in construction field, many types of bridges are being constructed depending on the requirement and their suitability for the situations.
In 1919, a study was begun to see if it would be possible to build a bridge across the Golden Gate. Michael O’Shaughnessy was the San Francisco city engineer. He was in charge of the rebuilding of the city after the devastating 1906 earthquake that destroyed much of the city. O’Shaughnessy knew the need for the city to have bridges. Most said it could not be done and others said it could be done but “it would cost about $100 million to build it” (Barter 23). O’Shaughnessy and Strauss, both wanting the same thing, got together. After the two consulted, they figured the only way to bridge the channel was to use a suspension bridge.
The bridges are being eroded as well, thereby making movement of vehicles for both private and commercial purposes in effective with adverse effects on the National domestic revenues and depopulation