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Author: E. Macha, W. Bedkowski, T. Lagoda | Size: 12.5 MB | Format:PDF | Publisher: Elsevier Science | Year: 1999 | pages: 288 | ISBN: 0080433367
This volume contains 18 papers selected from 90 presented at the Fifth International Conference on Biaxial/Multiaxial Fatigue and Fracture held in Cracow, Poland 8-12 September 1997. The papers in this book deal with theoretical, computational and experimental aspects of the multiaxial fatigue and fracture of engineering materials and structures. The papers are divided into the following four categories:
1. Proportional cyclic loading
2. Non-proportional cyclic loading
3. Variable amplitude and random loading
4. Crack growth
Most papers in this publication talk about the behaviour of constructional materials and elements of machines under non-proportional loading and under variable amplitude and random loading, which are more realistic load histories met in industrial practice. Variable amplitude loading under cyclic load with basic frequency and random loading under load with a continuous band of frequency is classified here. This book gives a review of the latest world success and directions of investigations on multiaxial fatigue and fracture. More and more often publications are results of the co-operation of researchers from different laboratories and countries. Seven out of eighteen papers included here were worked out by international authors teams. This is a symptom of the times, when science and investigations know no borders.
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A 48.76m high water tank with the supporting steel lattice comprising 5 segments with uniform member configuration is conceived. Its collapse behavior is investigated through a suite of ground motion analyses. First, the tank is analyzed under 13 three-component ground motion records from the Chi-Chi and Hokkaido earthquakes. It is shown that the tank always collapses in the same manner as a result of overturning due to P-Delta instability resulting from column and brace buckling at the base. This is the consequence of the uniform member sizing in each of the five segments of the supporting lattice. Incremental dynamic analyses are performed using the Takatori near-source record from the 1995 Kobe earthquake. It is shown that the structure collapses at a ground motion scaling factor of 0.32.
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Handbook of Slope Stabilisation by J. A. R. Ortigao (Editor), Alberto Sayao (Editor)
Product Description
This book is an engineering guide for design of slopes and stabilisation works in rocks and residual soils. It is tailored to the needs of practising geotechnical engineers and engineering geologists. Engineering and engineering geology students will find it quite useful and a practical course guide. It can be used as textbook in courses on landslides and slope stabilisation. The purpose of this book is to present a concise documentation on how to design slopes and how to select a slope stabilisation method. The authors are scholars and professional engineers with many years of international experience in slope stabilization works in South and Central America and the Far East.
PE Civil-Structural Engineering Review Material-PUPR
pages ~550
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Describes the development of new test techniques and methods for the evaluation of the laboratory shear strength of soil.
Table of Contents
Introduction
Yong R., Townsend F.
Summary
Yong R., Townsend F.
State of the Art: Laboratory Strength Testing of Soils
Saada A., Townsend F.
Comparison of Various Methods for Determining K0
Al-Hussaini M.
Apparatus and Techniques for Static Triaxial Testing of Ballast
Alva-Hurtado J., McMahon D., Stewart H.
Mechanical Behavior and Testing Methods of Unsaturated Soils
Edil T., Motan S., Toha F.
Determination of Tensile Strength of Soils by Unconfined-Penetration Test
Fang H., Fernandez J.
Torsion Shear Apparatus for Soil Testing
Lade P.
A Servo System for Controlled Stress Path Tests
Law K.
A New Control System for Soils Testing
Mitchell R.
Lateral Stress Measurements in Direct Simple Shear Device
Dyvik R., Zimmie T., Floess C.
Tensile Properties of Compacted Soils
Al-Hussaini M.
Effect of Organic Material on Soil Shear Strength
Andersland O., Khattak A., Al-Khafaji A.
Effect of Shearing Strain-Rate on the Undrained Strength of Clay
Cheng R.
Undrained Shear Behavior of a Marine Clay
Koutsoftas D.
Shearing Behavior of Compacted Clay after Saturation
Lovell C., Johnson J.
Plane-Strain Testing of Sand
Marachi N., Duncan J., Chan C., Seed H.
Effect of End Membrane Thickness on the Strength of “Frictionless” Cap and Base Tests
Norris G.
Field Density, Gradation, and Triaxial Testing of Large-Size Rockfill for Little Blue Run Dam
Thiers G., Donovan T.
State of the Art: Data Reduction and Application for Analytical Modeling
Ko H., Sture S.
Normalized Stress-Strain for Undrained Shear Tests
Drnevich V.
The Critical-State Pore Pressure Parameter from Consolidated-Undrained Shear Tests
Mayne P., Swanson P.
Nonlinear Anisotropic Stress-Strain-Strength Behavior of Soils
Prevost J.
A General Time-Related Soil Friction Increase Phenomenon
Schmertmann J.
On the Random Aspect of Shear Strength
Yong R., Tabba M.
Preconsolidation Pressure Predicted Using su/¯p Ratio
Anderson T., Lukas R.
Stress Path Tests with Controlled Rotation of Principal Stress Directions
Arthur J., Bekenstein S., Germaine J., Ladd C.
Shear Strength of Cohesionless Soils from Incremental Creep Test Data
Baladi G., Lentz R., Goitom T., Boker T.
Comparison of Shear Strength Values Derived from Laboratory Triaxial, Borehole Shear, and Cone Penetration Tests
Lambrechts J., Rixner J.
Borehole Shear Test in Geotechnical Investigations
Lutenegger A., Hallberg G.
Concepts for a Shear-Normal Gage to Estimate In Situ Soil Strength and Strength Angle
McNeill R., Green S.
Residual Shear Strength Determination of Overconsolidated Nespelem Clay
Miedema D., Byers J., McNearny R.
The Need for Pore Pressure Information from Shear Tests
Shields D., Skermer N.
Behavior of an Overconsolidated Sensitive Clay in Drained K0-Triaxial Tests
Silvestri V.
Discussion of “State of the Art: Laboratory Strength Testing of Soils”
Lacasse S., Vucetic M.
Discussion of “State of the Art: Laboratory Strength Testing of Soils”
Christian J.
Discussion on Laboratory Shear Devices
Ladd C.
Limitations of Direct Simple Shear Test Devices
La Rochelle P.
Discussion of Soil Testing Practices
Poulos S.
Some Aspects of Clay Behavior and Their Consequences on Modeling Techniques
Tavenas F.
Development, Testing Requirements, and Fitting Procedure of Elastic-Plastic Models
Baladi G.
A Qualitative Stress-Strain (Time) Model for Soft Clays
Crooks J.
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Dear Sir,
Do u have the DIN 4150 (part-1 to 3) and BS 7385-2:1993. I 'm looking for so long! If anybody have please upload here!
Thanks and best regards,
Pyi Soe
It's a PDF images of presentation (34 slides) showing a design of a masonry beam according IBC-05 2006
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This book is the first devoted exclusively to the environmental aspects of materials, a core subject area for undergraduate students in several engineering disciplines
The first challenge of climate change is convincing sceptics that it is real. The second challenge is convincing the press that solutions are not trivial. The third challenge is ensuring that the basics are understood. Global warming is a problem even without CO2; CO2 is a problem even without global warming; water shortage and landfill are distinct but real problems. A fourth challenge is educating us all, since understanding is surely the best way to make difficult changes acceptable.
Michael Ashby set a new trend in materials studies with his “materials maps” that showed, for example, the systematic ways that a wide range of materials responded to applied stresses. His insight was that suitable presentation let one see the broad picture in a very practical way, and led to articles, books, and software designed to aid materials selection. His initiative continued with studies of design, where materials are to be selected both for performance (with ideas like figures of merit for applications), and for factors like appearance.
This book is timely and important, focussing on the identification and systematic analysis of how materials decisions have environmental consequences. Ashby reminds readers that, when considering some series of actions, they should compare them with alternatives. Anyone with a favourite idea should have the honesty to consider the whole cycle of steps needed to implement it. For energy generation, one should know carbon costs for site clearance, fabrication, connecting supply to user, and finally clearing the site. One should know credible lifetimes of equipment, and likely hours per day the facility will provide energy. One should know the difference between rated power and what might be delivered. One should know the difference between real cost and subsidised cost. One should understand the carbon cycle, once taught in schools, now usually edited to suit the views of the speaker or journalist. And – which is where this book is especially good – one should have the capability to assess new ideas, or the effects of changes in life style or in the international scene.
What Michael Ashby has done is (as he describes it) create a “toolbox.” It is, of course, more than that. The opening chapters look at resource consumption, and at drivers that range from lifestyle to global population.
A later chapter addresses the way legislation affects materials choices and the ways they can be used. He then looks at the life cycles of various materials and equipment, and they was these interconnect. An important chapter asks about equipment that has reached the end of its first life, whether due to fashion, wear-out, and so on: is the equipment a problem to be disposed of, or is it a resource that might be used in other applications? These, plus chapters on ecodata (where he rightly asks about its accuracy) lead to discussions of eco-informed materials strategies, auditing, and sustainability. Happily, these are much more than the facile comments one reads too often (for example, the real examination question “Wasting less electricity would be good for the Australian environment. Explain why”). Some of the key ideas will be new to many people, like the embodied energy in a material, such as aluminium or a polycarbonate. But these figures, with CO2 footprint, water use in production, and so on, must underpin proper strategies for the future health of our climate. I have oversimplified the discussion, of course. But the book is admirably clear, and its thoughtful approach is much more likely to be a positive influence than assertively sensationalist writers. He does not insist on specific solutions (like the journalists who discuss the green credentials of cork versus plastic wine stoppers) but gives the reader the tools to look at options and compare their environmental consequences quantitatively. As an aid to this, there are some extremely helpful pages of data on different common materials – metals and alloys, ceramics, polymers, and a few others
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