MASH Test 3-11 on the Texas T101 Bridge Rail PDF Download
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Author: Roger P. Bligh
Publisher:
ISBN:
Category : Bridge railings
Languages : en
Pages : 0
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Book Description
Author: Roger P. Bligh
Publisher:
ISBN:
Category : Bridge railings
Languages : en
Pages : 0
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Book Description
Author: Dusty R. Arrington
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 65
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Book Description
This project evaluated the impact performance of a modified Texas Department of Transportation (TxDOT) thrie beam transition to rigid concrete barrier without a curb element below the transition rail. In a previous test described in TxDOT Research Report 0-4564, a thrie beam transition without curb failed to meet National Cooperative Highway Research Program (NCHRP) Report 350 performance criteria. However, it could not be discerned whether the vehicle instability observed in that test was attributable to the missing curb or the rotation of the thrie beam transition rail into the sloped face of the concrete safety shape rail at the bridge end connection point.
Author: William F. Williams
Publisher:
ISBN:
Category : Bridge railings
Languages : en
Pages : 91
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Book Description
Author: Robert Frosch
Publisher:
ISBN: 9781622604647
Category :
Languages : en
Pages :
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Book Description
Bridges that are designated historic present a special challenge to bridge engineers whenever rehabilitation work or improvements are made to the bridges. Federal and state laws protect historically significant bridges, and railings on these bridges can be subject to protection because of the role they play in aesthetics. Unfortunately, original railings on historic bridges do not typically meet current crash-test requirements and typically do not meet current standards for railing height and size of permitted openings. The primary objective of this study is to develop strategies that can be used to address existing railings on historic bridges and to develop solutions that meet current design requirements. In addition to the modification, selection, and design of the bridge railing, the bridge deck is also impacted by changes made to the railing. Due to increased force levels recently required by AASHTO, deck overhangs require significantly more reinforcement than for past practice. These increases are being realized on all bridge decks and may pose particular challenges for the attachment of railing to historic bridges. Therefore, a secondary objective of this project is to investigate the design of the deck overhang and determine whether reduced amounts of reinforcement are possible. For Volume 1 (Replacement Strategies), three phases of research were conducted. First, an overview of current practice for addressing historic bridge railings was performed. Second, an investigation was conducted to document historic bridge railings in Indiana. Finally, rehabilitation solutions were developed to address the specific bridge railings found in Indiana. Based on this research, three retrofit strategies were developed which include an inboard railing, curb railing, and a simulated historic railing. These rehabilitation solutions can be used to address historic bridge railings not only in Indiana, but across the country. For Volume 2 (Bridge Deck Overhang Design), experimental testing of half-scale and full-scale overhang specimens was conducted, and the results were analyzed. Failures of in-service bridge railings were also evaluated. Based on this research, recommendations are provided for the more efficient and economic design of bridge deck overhangs. These recommendations are applicable not only for historic bridges, but for all concrete bridge decks.
Author: Wolf Leslau
Publisher: Otto Harrassowitz Verlag
ISBN: 9783447042710
Category : Amharic language
Languages : en
Pages : 318
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Book Description
This book closes the gap for beginners who want to study the Amharic language and had difficulties in finding the right grammar for this purpose: The first grammar of Amharic, the national language of Ethiopia, was published by Hiob Ludolf in 1698. The Amharic grammar published by Praetorius in 1879 is based on Amharic religious texts and on scattered material, usually composed by missionaries. A milestone in the study of Amharic is Marcel Cohen's Traite de langue amharique (1936), but this grammar, too is not completely suited for beginners since the author's generalizations are at times aimed at linguists. The grammar that comes closest to the concept of a beginner's grammar is that of C.H. Dawkin (1960), yet this grammar is extremely short, does not give examples and does not introduce the student to the intricacies of the language.The new book gives all the grammatical forms and the sentences of the present grammar in Amharic script and in phonetic transcription. The illustrative examples have a free and a literal translation. This procedure should likewise prove to be useful for the Semitist as well as for the general linguist.
Author: Herbert A Beas, II
Publisher:
ISBN: 9781934857892
Category :
Languages : en
Pages : 199
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Book Description
Author: Leanne M. Williams, Ph.D.
Publisher: American Psychiatric Pub
ISBN: 1615371583
Category : Medical
Languages : en
Pages : 302
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Book Description
Precision psychiatry, as outlined in this groundbreaking book, presents a new path forward. By integrating findings from basic and clinical neuroscience, clinical practice, and population-level data, the field seeks to develop therapeutic approaches tailored for specific individuals with a specific constellation of health issues, characteristics, strengths, and symptoms.
Author: Peter Wermelinger
Publisher:
ISBN: 9783952277317
Category : Compact discs
Languages : en
Pages : 458
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Book Description
Author: New Hampshire
Publisher:
ISBN:
Category : Session laws
Languages : en
Pages : 380
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Book Description
Author: Fathi E. Abd El-Samie
Publisher: CRC Press
ISBN: 1466576987
Category : Technology & Engineering
Languages : en
Pages : 420
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Book Description
Presenting encryption algorithms with diverse characteristics, Image Encryption: A Communication Perspective examines image encryption algorithms for the purpose of secure wireless communication. It considers two directions for image encryption: permutation-based approaches and substitution-based approaches. Covering the spectrum of image encryption principles and techniques, the book compares image encryption with permutation- and diffusion-based approaches. It explores number theory-based encryption algorithms such as the Data Encryption Standard, the Advanced Encryption Standard, and the RC6 algorithms. It not only details the strength of various encryption algorithms, but also describes their ability to work within the limitations of wireless communication systems. Since some ciphers were not designed for image encryption, the book explains how to modify these ciphers to work for image encryption. It also provides instruction on how to search for other approaches suitable for this task. To make this work comprehensive, the authors explore communication concepts concentrating on the orthogonal frequency division multiplexing (OFDM) system and present a simplified model for the OFDM communication system with its different implementations. Complete with simulation experiments and MATLAB® codes for most of the simulation experiments, this book will help you gain the understanding required to select the encryption method that best fulfills your application requirements.
