and design research and selection • The related costs‚ dimensions and load capacity of the bridge It was decided that balsa wood and a Pratt truss would be the most appropriate materials and design to use for this application. This was due to both materials being strong‚ effective and cheap‚
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http://pldaniels.com/flying/balsa/balsa-properties.html Page 23 – Beam Structures: http://www.design-technology.org/beambridges.htm Page 25 – Arch Structures: http://en.wikipedia.org/wiki/Arch_bridge Page 30 – Truss Structures: http://pghbridges.com/basics.htm http://en.wikipedia.org/wiki/Truss Page 33 – Pratt Truss: http://pghbridges.com/basics.htm All Pictures‚ (excluding some photos and diagrams) are sourced from www.google.co.uk
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Research Paper There are many types of Bridges. Some common types of Bridges include Beam‚ Arch‚ Suspension‚ Cantilever‚ Truss‚ and Cable-Stayed bridges. Bridges are ancient. They have been with us for over 2500 years. The Zhaozhou Bridge is the oldest standing Arch Bridge. It was built in 605 AD. Beam bridges are one of the most simplest types of bridges. The Beam Bridge could be anything as simple as a plank of wood. Or a complex structure. The Beam Bridge is composed up two or more supports
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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
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in Cook County‚ Illinois over the Calumet River. The 130th Street Bridge is a polygonal Warren through truss with connections. You can tell it is a Warren truss bridge because it has thick diagonal members and verticals and its form of triangular shapes. This bridge is unique because it is a movable bridge and it is one of the most historic bridges in Chicago‚ Illinois. It is the largest truss bridge ever to be moved into place after being built off site. This bridge has deck plate girders
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the e-mails from sanctimonious readers who sought pleasure from discrediting her own grammar. Casagrande mocks the pretentious people who use grammar as a way to feel superior‚ including Truss for being a‚ “punctuation vigilante” (34). Overall‚ her argument seems to go against Truss’ call for action. While Truss wants sticklers to not tolerate the seeming deterioration
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As a result‚ 1‚000 feet of the deck truss collapsed‚ with about 456 feet of the main span falling 108 feet into the 15-foot-deep river. A total of 111 vehicles were on the portion of the bridge that collapsed. Of these‚ 17 were recovered from the water. As a result of the bridge collapse
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SUPPORT FOR RIGID BODIES SUBJECTED TO THREE DIMENSIONAL FORCE SYSTEM The first step in solving three-dimensional equilibrium problems‚ as in the case of two dimensions‚ is to draw a free-body diagram of the body (or group of bodies considered as a system).. The reactive forces and couple moments acting at various types of supports and connections‚ when the members are viewed in three dimensions‚ are listed in Table 5–2. It is important to recognize the symbols used to represent each of these supports
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Do you really have to count to two in between two related but independent clauses before you use it? Will not an ordinary dash - like this one - do just as well? Truss’ work provides a caustic statement regarding punctuation in modern society‚ and attempts to remedy this problem by providing an upbeat lesson in the subject. Lynn Truss’ attitude to punctuation is enthusiastic‚ and outraged‚ as her subtitle makes it clear. She wants you to become angry at the misuse of apostrophes and misplaced commas
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DATA:- 3 Calculations: 5 RESULTS:- 11 Percentage Difference:- 11 DISCUSSION:- 12 Conclusion: 12 Real life application: 13 APPENDIX: 13 REFERENCES………………………………………………………………………………………………………………………………….......21 Executive Summary:- Truss (fig 1) is a type
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