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This book, along with the West Point Bridge Designer software, help teach students that the essence of engineering is design and that engineering design entails the application of math, science, and technology to create something that meets a human need
The textbook is addressed to students, structural draftsmen and structural engineers who are involved in the design of structures in the course of roads and railways with a focus on Building Information Modeling (BIM).Based on selected simplified examples the new method of object-oriented 3D-modeling (OOM) for alignment-based bridge structures is explained step-by-step with supplementary e-learning material (videos and sample files) for a modern self-assessed learning.A comprehensive 3D-Model of a bridge structure is set up and explained in detail with all relevant background information on the techniques and methodologies in the BIM process. The enrichment of semantic data is shown and explained as well as the combination with parameters and processes such as the combination with masses. An outlook is given for the forthcoming export of the model via neutral .ifc-standard in the OPEN BIM process.In mechanical engineering drawings and simulations are derived from the 3D-Model for many years already so that these options are refered to in this textbook with the focus on design-embedded-simulations for bridge structures. The technique of isogeometric modeling and a linked finite-element-simulation is shown in chapter 4 to outline the potential for future applications.
This text provides a variety of practical and theoretical approaches to computer classroom design. Pedagogical, ethical, and political issues are discussed as well as nuts-and-bolts construction, adapting teaching styles to a CAI environment, use of specific hardware and software, and speculation regarding future electronic learning environments.
1977 to present. Citations to articles from more than 1,000 periodicals in all Western languages, including all major architectural journals published in the U.S. and Great Britain, as well as most South American, European and Japanese architecture-related periodicals.
This work offers guidance on bridge design for extreme events induced by human beings. This document provides the designer with information on the response of concrete bridge columns subjected to blast loads as well as blast-resistant design and detailing guidelines and analytical models of blast load distribution. The content of this guideline should be considered in situations where resisting blast loads is deemed warranted by the owner or designer.
Scores of talented and dedicated people serve the forensic science community, performing vitally important work. However, they are often constrained by lack of adequate resources, sound policies, and national support. It is clear that change and advancements, both systematic and scientific, are needed in a number of forensic science disciplines to ensure the reliability of work, establish enforceable standards, and promote best practices with consistent application. Strengthening Forensic Science in the United States: A Path Forward provides a detailed plan for addressing these needs and suggests the creation of a new government entity, the National Institute of Forensic Science, to establish and enforce standards within the forensic science community. The benefits of improving and regulating the forensic science disciplines are clear: assisting law enforcement officials, enhancing homeland security, and reducing the risk of wrongful conviction and exoneration. Strengthening Forensic Science in the United States gives a full account of what is needed to advance the forensic science disciplines, including upgrading of systems and organizational structures, better training, widespread adoption of uniform and enforceable best practices, and mandatory certification and accreditation programs. While this book provides an essential call-to-action for congress and policy makers, it also serves as a vital tool for law enforcement agencies, criminal prosecutors and attorneys, and forensic science educators.
Covers seismic design for typical bridge types and applies to non-critical and non-essential bridges. Approved as an alternate to the seismic provisions in the AASHTO LRFD Bridge Design Specifications. Differs from the current procedures in the LRFD Specifications in the use of displacement-based design procedures, instead of the traditional force-based "R-Factor" method. Includes detailed guidance and commentary on earthquake resisting elements and systems, global design strategies, demand modeling, capacity calculation, and liquefaction effects. Capacity design procedures underpin the Guide Specifications' methodology; includes prescriptive detailing for plastic hinging regions and design requirements for capacity protection of those elements that should not experience damage.