Effects of Testing Variables on the Measured Compressive Strength of High-strength (90 MPa) Concrete PDF Download

Author: Nicholas J. Carino
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 152

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Author: Robert F Cook
Publisher: John Wiley & Sons
ISBN: 1119850932
Category : Technology & Engineering
Languages : en
Pages : 420

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Book Description
A holistic and straightforward analysis framework for understanding particle strength distributions In Particle Strengths: Extreme Value Distributions in Fracture, distinguished researcher Dr. Robert F. Cook delivers a thorough exploration of the science and related engineering of fracture strength distributions of single particles tested in diametral compression. In the book, the author explains particle strengths in the broader context of material strengths to permit readers to design with particles in systems in which mechanical properties are crucial to application, manufacturing, and handling. Particle Strengths compiles published data on particle strengths into a common format that includes over 140 materials systems and over 270 published strength distributions derived from over 13000 individual particle strength measurements. It offers physically consistent descriptions of strength behavior, including the strength threshold, using simple polynomial distribution functions that can easily be implemented. Readers will also find: A thorough introduction to particles and particle loading, including discussions of particle failure and human activity Comprehensive explorations of stochastic scaling of particle strength distributions, including concave and sigmoidal stochastic distributions Practical discussions of agglomerate particle strengths, including those relevant to pharmaceuticals, foods, and catalysts Detailed treatments of applications and scaling of particle strengths, including particle crushing energy and grinding particle reliability Perfect for materials scientists and engineers, mining and construction engineers, and environmental scientists, Particle Strengths: Extreme Value Distributions in Fracture will also benefit anthropologists, zoologists, pharmaceutical scientists, biomaterials scientists and engineers, and graduate students studying materials science, and chemical, mechanical, and biomedical engineering.

Author: M. Abu-Orf
Publisher: IWA Publishing
ISBN: 1843397137
Category : Science
Languages : en
Pages : 100

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Book Description
The ability to measure sludge network strength is important in sludge dewatering applications because it can be used to determine optimum polymer dose for conditioning to achieve good dewaterability. This was demonstrated in laboratory and in full-scale dewatering and thickening. The network strength increased as the polymer dose was increased, however, at the optimum dose a "drop" in the network strength occurred. Further research is needed to verify this concept at full scale and to provide a robust technology to the water and wastewater treatment industry. A second phase is sought through WERF funding. Rheometry was used for determining the sludge network strength. This report also formulated and demonstrated a standard protocol for measuring network strength in terms of energy dissipated in a certain volume of sludge. Two protocols for measuring network strengths by either torque or concentric cylinder rheometers are described in this report. A mathematical derivation has shown that area under rheograms, namely the curves which were developed by plotting shear rate (1/sec) versus shear stress (Pa) and time (sec) versus torque (mNm), indicated the rate of energy dissipation within the sludge system and the total dissipated energy was related to the network strength. The research did not intend to measure the "absolute" network strength, rather a comparative strength of different aggregates using the same instrument and under the same measuring conditions.

Author: Carlos Rey
Publisher: Springer
ISBN: 3030176746
Category : Business & Economics
Languages : en
Pages : 153

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Book Description
A higher purpose is not simply about profit. Symbolising the motivations of our actions and efforts, it reflects something much more aspirational and contributes to our global society. This open access book offers novel solutions to ensure employees support a wider organizational meaning whilst guaranteeing that the company benefits from the employee’s individual sense of purpose. Advocating a shift from previous models and theories, this book contributes to debate and offers insight for both scholars and practitioners. The chapters bring together academic rigour and practical models to help readers distinguish between the fads and influential strategies. Exploring the development of purpose at each level of business, from strategy and leadership to communication, this book avoids theoretical jargon and provides new approaches to building sustainable purpose-driven organizations. This is an Open Access book sponsored by DPMC Spain, UIC Barcelona and Corporate Excellence - Centre for Reputation Leadership

Author: American Society for Testing Materials
Publisher:
ISBN:
Category : Building materials
Languages : en
Pages : 686

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Book Description
Vol. 12 includes under the same cover the society's year-book for 1912.

Author: E. Hoek
Publisher: Elsevier
ISBN: 1483297985
Category : Technology & Engineering
Languages : en
Pages : 1004

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Book Description
Surface and Underground Project Case Histories

Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 478

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Author: A M Brandt
Publisher: Woodhead Publishing
ISBN: 9781855737693
Category : Science
Languages : en
Pages : 582

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Book Description
The International Symposium in Brittle Matrix Composites October 13-15, 2003 covers a wide spectrum of topics including cement based composites, ceramic composites and brittle polymer matrix composites. In the papers various topics and issues are considered such as: analytical and numerical studies related to the design of composites, prediction of behaviour and verification of strength and stability, testing methods, manufacturing processes and repair, environmental effects and durability assessment. The present volume of 55 papers proves that there are still many problems in the field of brittle matrix composites deserving theoretical and experimental investigations and that new solutions to these problems are needed for practical application in civil engineering, industrial structures, machinery and other domains.

Author: Bogdan M. Wilamowski
Publisher: CRC Press
ISBN: 0429584776
Category : Technology & Engineering
Languages : en
Pages : 6257

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Book Description
Industrial electronics systems govern so many different functions that vary in complexity-from the operation of relatively simple applications, such as electric motors, to that of more complicated machines and systems, including robots and entire fabrication processes. The Industrial Electronics Handbook, Second Edition combines traditional and new

Author: Jeremy Bentham
Publisher:
ISBN:
Category : Crime
Languages : en
Pages : 326

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Book Description
Bentham's treatise on the foundations of law and government.