Xem 1-20 trên 180 kết quả Bridge design
  • A superstructure can be thought of as the conduit which carries a roadway over a crossing. Like any other bridge component, the superstructure is comprised of many elements. In the bridge design profession, no other component elicits so much discussion, and even downright controversy, as to the type of elements to be utilized in construction. The structural and geometric complexities of the superstructure component make it one of the most challenging design problems in a bridge engineering project....

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  • Decision making comes in every stage of design. Consider two cars of different makes. They may both be reasonable cars and serve the same purpose but the designs are different. The designers consider different factors and come to certain conclusions leading to an optimum design. Market survey gives an indication of ...

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  • Bridge Design Practice in China 63.1 Introduction Historical Evolution • Bridge Design Techniques • Experimental Research of Dynamic and Seismic Loads • Wind Tunnel Test Techniques • Bridge Construction Techniques 63.2 63.3 Beam Bridges General Description • Examples of Beam Bridges Arch Bridges General Description • Examples of Masonry Arch Bridge • Examples of Prestressed Concrete, Reinforced Concrete, and Arch Bridges 63.

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  • Conceptual Bridge Design 1.1 1.2 Introduction Preliminary Design Introduction • General Considerations for the Design of Bridge Schemes • Theoretical Basic Method of Preliminary Design • Choice of Final Alternative for Reinforced–Concrete Bridges 1.

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  • Systematic, well-designed research provides the most effective approach to the solution of many problems facing highway administrators and engineers. Often, highway problems are of local interest and can best be studied by highway departments individually or in cooperation with their state universities and others.

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  • At the instigation of the Iron and Steel Federation, the late Bernard Godfrey began work in 1952 on the first edition of the Steel Designers’ Manual.As principal author he worked on the manuscript almost continuously for a period of two years. On many Friday evenings he would meet with his co-authors, Charles Gray, Lewis Kent and W.E. Mitchell to review progress and resolve outstanding technical problems. A remarkable book emerged.

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  • This Sourcebook presents guidelines for improving the appearance of short- to medium-span bridges (those with spans up to about 300 feet). These structures constitute the great majority of bridges and are often referred to as “workhorse” bridges. The Sourcebook begins by explaining why it is necessary for engineers to consider bridge aesthetics. It then provides practical, easy-to-apply ideas for design engineers to use in developing elegant designs for the typical bridges on which they work every day.

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  • Concrete has been in use as a primary building material since Roman times. As it is strong in compression but weak in tension, it was used in arches, vaults and walls where it is stressed principally in compression. In the mid-nineteenth century, it was discovered that iron and later steel bars could be embedded in the concrete, effectively giving it tensile strength. This allowed it to be used in beams and slabs, where it worked in bending. Buildings, bridges, retaining walls and many other structures were made in this reinforced concrete.

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  • Beginning Blender covers the Blender 2.5 release in-depth. The book starts with the creation of simple figures using basic modeling and sculpting. It then teaches you how to bridge from modeling to animation, and from scene setup to texture creation and rendering, lighting, rigging, and ultimately, full animation. You will create and mix your own movie scenes, and you will even learn the basics of games logic and how to deal with games physics.

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  • Intended for use in an undergraduate senior-level digital circuit design class. Advanced material appropriate for graduate courses.Progressive in content and form, this practical text successfully bridges the gap between the circuit perspective and system perspective of digital integrated circuit design.

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  • Design Practice in Europe 64.1 64.2 64.3 Introduction Design Philosophy • Loads 64 Short- and Medium-Span Bridges Steel and Composite Bridges • Concrete Bridges • Truss Bridges 64.4 Long-Span Bridges Girder Bridges • Arch Bridges • Truss Bridges • Cable-Stayed Bridges 64.5 Jean M. Muller Jean Muller International, France Large Projects Second Severn Bridge • Great Belt Bridges • Tagus Bridges 64.6 Future European Bridges 64.

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  • Design Philosophies for Highway Bridges 5.1 5.2 5.3 Introduction Limit States Philosophy of Safety Introduction • Allowable Stress Design • Load Factor Design • Probability- and Reliability-Based Design • The Probabilistic Basis of the LRFD Specifications John M. Kulicki Modjeski and Masters, Inc. 5.4 Design Objectives Safety • Serviceability • Constructibility 5.1 Introduction Several bridge design specifications will be referred to repeatedly herein.

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  • Railroad Bridges 23.1 Introduction Railroad Network • Basic Differences between Railroad and Highway Bridges • Manual for Railway Engineering, AREMA 23 23.2 23.3 23.4 Railroad Bridge Philosophy Railroad Bridge Types Bridge Deck General • Open Deck • Ballast Deck • Direct Fixation • Deck Details 23.5 Donald F. Sorgenfrei Modjeski and Masters, Inc. Design Criteria Geometric Considerations • Proportioning • Bridge Design Loads • Load Combinations • Serviceability Considerations W. N. Marianos, Jr. Modjeski and Masters, Inc. 23.

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  • Bridge Hydraulics Jim Springer California Department of Transportation 61 61.1 61.2 Introduction Bridge Hydrology and Hydraulics Hydrology • Bridge Deck Drainage Design • Stage Hydraulics Ke Zhou California Department of Transportation 61.3 Bridge Scour Bridge Scour Analysis • Bridge Scour Calculation • Bridge Scour Investigation and Prevention 61.1 Introduction This chapter presents bridge engineers basic concepts, methods, and procedures used in bridge hydraulic analysis and design.

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  • ith SharePoint 2010, Microsoft has provided a more robust environment for creating collaboration and content management sites that rival any of the popular websites on the internet. Creating a branded SharePoint site involves understanding both traditional web design techniques as well as topics that are typically reserved for developers.

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  • Bridge Decks and Approach Slabs 24.1 24.2 Michael D. Keever California Department of Transportation Introduction Bridge Decks Cast-In-Place Reinforced Concrete • Precast Concrete Bridge Decks • Steel Grid Bridge Decks • Timber Bridge Decks • Steel Orthotropic Bridge Decks John H. Fujimoto California Department of Transportation 24.3 Approach Slabs Structural Design Considerations • Settlement Problems • Additional Considerations 24.4 Summary 24.

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  • Design Practice in Russia 66.1 66.2 66.3 Introduction Historical Evolution Masonry and Timber Bridges • Iron and Steel Bridges 66 Modern Development Standardization of Superstructures • Features of Substructure 66.4 Bridge Design Theory and Methods Design Codes and Specifications • Design Concepts and Philosophy • Concrete Structure Design • Steel Structure Design • Stability Design • Temporary Structure Design 66.5 Inspection and Test Techniques Static Load Tests • Dynamic Load Tests • Running in of Bridge under Load 66.6 Simon A.

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  • Within half a century, a new branch of mathematics mathematical theory of planning-formed and flourished due to economic urgently required to implement the optimal targets: most, least, the fastest, cheapest, best, ... today, the rapid development of electronic computer engineering have made ​​it possible to practice for design automation in many areas.

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  • Statistics of Steel Weight of Highway Bridges 54.1 54.2 54.3 54.4 Introduction Design Criteria Live Loads • Materials 54 Database of Steel Weights Statistics of Steel Weights Simply Supported Noncomposite Plate Girder Bridges • Simply Supported Composite Plate Girder Bridges • Simply Supported Box-Girder Bridges • Continuously Supported Plate Girder Bridges • Continuously Supported Box-Girder Bridges • Truss Bridges • Arch Bridges • Rahmen Bridges (Rigid Frames) • Cable-Stayed Bridges 54.5 54.

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  • INFRASTRUCTURE DESIGN, SIGNALLING AND SECURITY IN RAILWAY Edited by Xavier Perpinya .Infrastructure Design, Signalling and Security in Railway Edited by Xavier Perpinya Published by InTech Janeza Trdine 9, 51000 Rijeka, Croatia Copyright © 2012 InTech All chapters are Open Access distributed under the Creative Commons Attribution 3.0 license, which allows users to download, copy and build upon published articles even for commercial purposes, as long as the author and publisher are properly credited, which ensures maximum dissemination and a wider impact of our publications.

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