Truss Bridge Physics 141 Robin Hoffmeister There is many reason that we need bridges in every day of our life‚ from sufficient means to pass over a roadway‚ waterway‚ railway‚ or other structure. You don’t even think about them because it takes no effort to get over them and they are just there for your use. So if you don’t think of them for everyday use I highly doubt that you would think of the physics that is involved in putting one together or the kind of force the bridge can actually
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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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Truss Construction Shop is a company that produces cost-effective trusses with the promise of “cutting edge” construction technology. Recently‚ the company experienced a workplace accident that resulted in an employee being seriously injured. It is now the company’s responsibility to investigate how and why this accident occurred and how to prevent it in the future. The accident has created some concerns for employees and customers. The company must now work to ensure the employees’ safety is the
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x 8 9.81 x 5 9.81 x 4 Load Equivalent(N) 78.48 49.05 39.24 Figure1.1: Finite element Truss Model 1 Figure 1.2: Meshed FE Model Figure1.3: Meshed FE Model with Load Constraints 2 DISCUSSION Element Type Chosen for Meshing (Link 2D Spar 1): The element used for the analysis of the FE model is the 2D spar 1 of the Link 1 element type. 2D Spar 1 can be used extensively in 2Dimensional and one dimensional truss analysis‚ link analysis‚ etc. The Link 2D Spar 1 element is uniaxial‚ that is‚ deformation
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the other two codes‚ and AASHTO LRFD is the most permissive code. Introduction Recently‚ a considerable research effort has been devoted to bridge design and evaluation in Europe and in North America. However‚ the work has been carried out independently according to region-specific conditions. This study focuses on the comparison of the design codes for prestressed concrete bridge girders. The considered codes are: Spanish Norma IAP-98‚ Eurocode ENV 1991-3‚ and AASHTO LRFD. Five prestressed
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is a truss and how are trusses used in bridge design? Include the importance of triangular shapes in truss design. A truss is a formation produced by triangular components. The triangular units forming the truss are slim and straight in form. The truss bridges consist of a grouping of triangles. Trusses are used in bridge design to form a series of strong supports using triangles‚ and have the forces of tension and compression acting on them. The importance of triangular shapes in truss design is
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figured out the best way to built it we would test it ourselves. The Pratt truss was first developed in 1844 under patent of Thomas and Caleb Pratt. Since the 1840s through the early twentieth century‚ the Pratt has diagonals in tension‚ verticals in compression‚ except for the hip verticals immediately adjacent to the inclined end posts of the bridge. Pratt trusses were initially built as a combination wood and iron truss‚ but were soon constructed in iron only. The Pratt type successfully survived
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Bridge Design Process In order to begin we must start our design process with the first step. We have to identify the need. The scenario is that we need to connect two pieces of land or structure so that a car must be able to pass through it. In this project we are to design and construct a bridge for a matchbox car. The bridge must be made of balsa wood and glue only. It must support its own weight‚ the load of the matchbox car‚ and additional weights that will be added. Next we must
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Senior Design Project Submittal May 4 2012 The following is a 2011-2012 Senior Design Project report for the Fenn College of Engineering at Cleveland State University. Bleser Park Pedestrian Bridge Senior Design Project Submittal 2012 Table of Contents 1.0.0 Introduction........................................................................................................................................ 5 1.1.0 Objective ............................................
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DSC 101 DESIGN AWARENESS Prof. Jacques Giard‚ PhD ©Jacques Giard 2010 DSC 101 Design Awareness 1 What are the goals for today? • Gaining a basic understanding of the designing process… • The Velcro story • Design-in-the-News… • What we already know… ©Jacques Giard 2010 DSC 101 Design Awareness 2 Design in the News McDonald’s plans to spend more than 600 million euros (US$828 million) to remodel 1‚280 of its European restaurants. NY Times Saturday August 25‚ 2007 "Re-imaging
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