and I decided to construct a simulation of the Sydney Harbor Bridge located in Sydney‚ Australia. Our bridge‚ opened in 1923‚ is a steel arch bridge that is connected at the helm by two towers. It has hinges on both ends to allow for expansion and contraction of the steel during times of heat and cold. This prevents the bridge from collapsing in on itself and permits the eighteen centimeters of size change during a normal day. On our bridge model‚ we changed the idea of it being held up by these two
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While working on the bridge‚ I was asking how do congruent structures give strength to bridges in real life? I think congruent structures give strength to the bridge because triangles have their rigid shape and strength. Unlike a square‚ that can shift into a parallelogram when force is applied to one of its sides‚ an equilateral triangle’s sides and angles are fixed. For example‚ triangles have beam which are the rigid shapes that helps the abutments of the bridge. When triangles supports the abutments
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…5 Causes of failure……………………………………………….………6 Replacement bridge…………………………………….........……….10 Conclusions…………………………………………………………...10 References...........................................................................................11 Abstract (143 words) The Tacoma Narrows bridge was a one of a kind bridge at its time. Starting from its size and ending with the structure of the bridge‚ It was considered to be an outstanding bridge at that time. It looked perfect and flawless as it started
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The Bridge: Synopsis In 1970‚ Antonello is 22 years old and recently married. He has been working on the Westgate Bridge for almost 2 years and loves his job. Like many of his workmates‚ Antonello is proud of the bridge. He believes it is going to be more spectacular than the Sydney Harbour Bridge‚ that it is going to bring the city together and that they‚ the bridge builders‚ will be remembered for years to come. On the 15th October 1970 the Westgate Bridge collapses during construction and thirty-five
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The Bridge Builder Horace King Horace king was born in 1807 in South Carolina. He was tri-racial‚ being Caucasian‚ African‚ and Indian. His father was a mulatto named Edmund King; his mother‚ Susan was the daughter of a full-blooded Catawba Indian and a black female slave. At an early age he learned his trade from his owner John Godwin. Many reference show that Horace was a well-liked‚ outgoing‚ enthusiastic man. From letters we have learned that his mother was also owned by John Godwin and that
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lthough the idea of a bridge spanning the Golden Gate was not new‚ the proposal that eventually took hold was made in a 1916 San Francisco Bulletin article by former engineering student James Wilkins.[15] San Francisco’s City Engineer estimated the cost at $100 million‚ impractical for the time‚ and fielded the question to bridge engineers of whether it could be built for less.[9] One who responded‚ Joseph Strauss‚ was an ambitious but dreamy engineer and poet who had‚ for his graduate thesis‚ designed
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Suspension Bridges A suspension bridge is a one where many cables are strung across two or more towers‚ which supports the majority of the bridge weight and force. The cables run from the towers to the anchorages. Suspension bridges have benefited our everyday lives since John A. Roebling perfected the suspension bridge design in 1845 and built the Allegheny Suspension Bridge in Pittsburgh‚ Pennsylvania (Placzek). These bridges are better than previous bridges in many ways. Suspension bridges can span
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CAREY FOSTER BRIDGE Introduction The Carey Foster bridge is an electrical circuit that can be used to measure very small resistances. It works on the same principle as Wheatstone’s bridge‚ which consists of four resistances‚ P‚ Q‚ R and S that are connected to each other as shown in the circuit diagram in Figure 1. In this circuit‚ G is a galvanometer‚ E is a lead accumulator‚ and K1 and K are the galvanometer key and the battery key respectively. If the values of the resistances are adjusted so
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Grabber: Truss bridges are a good creation because it helps with traveling since it is a sturdy and cheap efficient bridge to make. Define truss bridges and explain how they are different from other bridges: A truss bridge is a bridge whose load-bearing super structure is composed of a truss‚ a structure of connected elements forming triangular units. The connected elements are typically straight. The truss bridge is different because it uses triangles‚ its way brought about in the 19th and 20th
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Abstract The Golden Gate Bridge is a well-recognized landmark in the United States. This report provides you numerous information about one of the most astonishing suspension bridges in the world‚ it as well enlighten you with the history‚ design and the way that they have managed how to maintain the safety while construction was going on. The idea of a bridge linking the city with its neighbouring counties was appealing‚ but the mile-wide gap between San Francisco and Marin presented huge challenges
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