Modification of the ACI Rectangular Stress Block for High-Strength Concrete
Author: Hishmam H. H. Ibrahim and J. G. MacGregor | Size: 5544 KB | Format:PDF | Publisher: ACI | Year: 1997 | pages: 9 | ISBN: -
Most concrete codes do not explicitly cover concrete with strengths above 50-60 MPa (7000 to 9000psi) . Compression stress blocks from three current codes that do allow design for high strength concrete (HSC) sections are presented.
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A thorough understanding of the interaction of waves and currents with offshore structures has now become a vital factor in the safe and economical design of various offshore technologies. There has been a significant increase in the research efforts to meet this need. Although considerable progress has been made in the offshore industry and in the understanding of the interaction of waves, currents, and wind with ocean structures, most of the available books concentrate only on practical applications without a grounding in the physics. This text integrates an understanding of the physics of ocean–structure interactions with numerous applications. This more complete understanding will allow the engineer and designer to solve problems heretofore not encountered, and to design new and innovative structures. The intent of this book is to serve the needs of future generations of engineers designing more sophisticated structures at ever increasing depths.
Table of Contents
1. Introduction
2. Review of the fundamental equations and concepts
3. Separation and time-dependent flows
4. Wave and wave-structure interactions
5. Wave forces on large bodies
6. Vortex induced vibrations
7. Hydrodynamic damping.
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Moderator´s Note:
The Links have been fixed. Thanks to s0p9015 for the review and notification.
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Dear All,
I am an offshore structural engineer and currently looking for a book in the leterature. This book is a part of knovel collection that some university can have a full access. The title is as follows:
Title: Wave Forces on Offshore Structures
Author: Sarpkaya, Turgut "Sarp"
ISBN:978-0-521-89625-2
Electronic ISBN: 978-0-511-76502-5
Publisher:Cambridge University Press
Page:331
URL in Knovel:
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Geospatial Analysis and Modelling of Urban Structure and Dynamics (GeoJournal Library)
Author: Bin Jiang and Xiaobai Yao (Editors) | Size: 9.4 MB | Format:PDF | Publisher: Springer | Year: 2010 | pages: 440 | ISBN: ISBN10: 9048185718 & ISBN13: 9789048185719
Book Description:
The increasingly urbanized world has created various problems of environment, climate, consumption of resources, and public health, which are closely linked to the side-effects of urbanization such as sprawl, congestion, housing affordability and loss of open space. Fundamental to the urban problems are two separate yet related issues: urban structure and urban dynamics. The chapters collected in this book present an excellent profile of the current state of geospatial analysis and modelling, and demonstrate how these approaches can contribute to the study of various urban issues. The book addresses key themes including new ways of capturing data digitally at the individual level, the development of systems based around networks, the notion of linking hierarchy to networks to morphology as in complexity theory, and the development of new ways of integrating diverse urban processes through simulation paying careful attention to the basic econometric and statistical principles of spatial analysis.
With a foreword by Michael Batty and an epilog by Michael F. Goodchild.
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Terrain analysis has been an active study field for years and attracted research studies from geographers, surveyors, engineers and computer scientists. With the rapid growth of Geographical Information System (GIS) technology, particularly the establishment of high resolution Digital Elevation Models (DEM) at national level, the challenge is now focused on delivering justifiable socio-economical and environmental benefits. The contributions in this book represent the state of the art of terrain analysis methods and techniques in areas of digital representation, morphological and hydrological models, uncertainty and applications of terrain analysis.
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Stimulated by ""Noahs Flood Hypothesis"" proposed by W. Ryan and W. Pitman in which a catastrophic inundation of the Pontic basin was linked to the biblical story, leading experts in Black Sea research (including oceanography, marine geology, paleoclimate, paleoenvironment, archaeology, and linguistic spread) provide overviews of their data and interpretations obtained through empirical scientific approaches. Among the contributors are many East European scientists whose work has rarely been published outside of Cyrillic. Each of the 35 papers marshals its own evidence for or against the flood hypothesis. No summary or overall resolution to the flood question is presented, but instead access is provided to a broad range of interdisciplinary information that crosses previously impenetrable language barriers so that new work in the region can proceed with the benefit of a wider frame of reference. The three fundamental scenarios describing the late glacial to Holocene rise in the level of the Black Seacatastrophic, gradual, and oscillatingare presented in the early pages, with the succeeding papers organized by geographic sector: northern (Ukraine), western (Moldova, Romania, and Bulgaria), southern (Turkey), and eastern (Georgia and Russia), as well as three papers on the Mediterranean. The volume thus brings together eastern and western scholarship to share research findings and perspectives on a controversial subject. In addition, appendices are included containing some 600 radiocarbon dates from the Pontic region obtained by USSR and western laboratories.
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Author: Craig A. Langston, Grace K. C. Ding | Size: 1.10 MB | Format:PDF | Publisher: Butterworth-Heineman | Year: 2001 | pages: 288 | ISBN: ISBN10: 0750651539
Sustainability is a key issue and its impact on the construction industry, as one of the major users of the Earth's resources, is starting to take hold. This book deals with sustainability as it affects the construction industry, looking at the techniques and issues which designers, engineers, planners and construction managers will have to deal with in their day-to-day activities. It covers methods of analysis such as environmental impact assessment and cost-benefit analysis as well as topics on design and energy regulation and conservation. The book is an important introduction to the subject for senior undergraduate and postgraduate students. Given the importance and novelty of the subject, professionals in the construction industry will also find the book valuable.
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This is the first book of its kind to focus on the geochemistry of the lanthanide series elements in groundwater/aquifer environments. The contributors are leading researchers in the study of low-temperature geochemistry of rare earth elements. Individual chapters address analytical techniques, water-rock interactions, aqueous complexation, and the reactions and processes that influence these heavy metals along groundwater flow paths.
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Concrete as a construction material goes through both physical and chemical changes under extreme elevated temperatures. As one of the most widely used building materials, it is important that both engineers and architects are able to understand and predict its behavior in under extreme heat conditions. Brief and readable, this book provides the tools and techniques to properly analysis the effects of high temperature of reinforced concrete which will lead to more stable, safer structures.
Based on years of the author's research, Reinforced Concrete at Elevated Temperatures four part treatment starts with an unambiguous and thorough exposition of the mechanical behaviors of materials at elevated temperature followed by a discussion of Temperature field of member sections, Mechanical behaviors of members and structures at elevated temperature, ending with Theoretical analysis and practical calculation methods. The book provides unique insight into:
* Coupling thermal-mechanical constitutive relation of concrete
* Exceptional analyses of beams and columns of rectangular section with three surfaces and two adjacent surfaces exposing to high temperature
* Measurement and analysis of redistribution of internal forces of statically indeterminate structure during heating-loading process
* Finite element analysis and calculation charts for two-dimensional temperature field of structural members
* Finite element analysis and simplified calculation method for reinforced concrete structure at elevated temperature
With this book, engineers and architects can effectively analyze the effect of high temperature on concrete and materials which will lead to better designs of fire resistant and damage evaluation and treatment after fire.
* Tools and techniques for analyzing the effects of high temperature on concrete and reinforcement materials.
* Measurement and analysis of redistribution of internal forces of statically indeterminate structure during the heating-loading process.
* Finite element analysis and calculation charts for two-dimensional temperature field of structural members.
* Finite element analysis and simplified calculation method for reinforced concrete structure at elevated temperature.
Table of Contents
Part One - Mechanical behaviors of materials at elevated temperature
Chapter 1 Strength of concrete at elevated temperature
Chapter 2 Deformation of concrete at elevated temperature
Chapter 3 Temperature - stress paths and coupling constitutive relation of concrete
Chapter 4 Mechanical behavior and constitutive relation of reinforcement at elevated temperature
Part Two - Temperature field of member section
Chapter 5 Temperature - time curve of fire and equation of heat conduction
Chapter 6 Theoretical analysis of temperature field
Chapter 7 Charts for temperature field on cross-section
Part Three - Mechanical behaviors of members and structures at elevated temperature
Chapter 8 Behaviors of flexural members at elevated temperature
Chapter 9 Behaviors of compressive members at elevated temperature
Chapter 10 Behaviors of statically indeterminate structures at elevated temperature
Part Four - Theoretical analysis and practical calculation method
Chapter 11 General mechanical characteristics of non-homogeneous section
Chapter 12 Finite element analysis of loading process for the structures
Chapter 13 Practical calculation methods for ultimate strengths of member and structure at elevated temperature
Chapter 14 Fire resistance analysis and damage grade evaluation of structure
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