This book combines the essential components of Braja Das' market leading texts, PRINCIPLES OF GEOTECHNICAL ENGINEERING and PRINCIPLES OF FOUNDATION ENGINEERING. It includes the fundamental concepts of soil mechanics as well as foundation engineering, including bearing capacity and settlement of shallow foundations (spread footings and mats), retaining walls, raced cuts, piles, and drilled shafts. Intended as an introductory text, the book stresses the fundamental principles without becoming cluttered with excessive details and alternatives. While featuring a wealth of worked-out examples and figures that help students with theory and problem-solving skills, Das maintains the careful balance of current research and practical field applications that has made has made his books the leaders in the fields.

Fundamentals of Geotechnical Engineering, 2nd Edition

Science & Math

Das, Braja M.

Earth Sciences

Technomic Publishing Co.

Flammability handbook for plastics

Engineering & Transportation

Carlos J. Hilado

Engineering

An important and relevant book which public school officials should read. It provides valuable insights and information useful when trying to address fairly the issue of public education financing.

America's Gamble: Public School Finance and State Lotteries

Education & Teaching

Thomas H. Jones

John L. Amalfitano

Schools & Teaching

Can teachers, principals, and professors lead their students toward profound learning until they have been there themselves? Peer coaching offers a remarkable vehicle to join with students as learners and together build a community of learners, and this volume presents it all with clarity, economy, honesty, and conviction.

Peer Coaching for Educators, First Edition

James Jennings

Barbara Gottesman

From the Authors' Preface The advancements of technology . . . and chemical engineering have brought about extensive use of a wide range of rheologically complex materials, e.g., polymeric solutions and melts, suspensions, mixtures, oil products, fibre-forming substances, etc. that are characterized by diverse and, every so often, significant deviations from classical Newtonian behavior. Such materials are often used in conditions where the formation of vapor-gas bubbles or two-phase flow regimes is possible. This necessitates deep investigations into the thermo-hydrodynamic problems of liquids with bubbles for the case of a continuous phase with anomalous rheological properties. These conditions are typical of a number of applications and manufacturing processes, e.g., gas removal from polymeric solutions or melts in production of film, chemical fibres and other polymeric materials. . . . The bubbles containing gas or vapor-gas mixtures are often present in polymeric systems. This is because of a number of reasons, e.g., a low wettability of solid surfaces by polymers, the use of volatile solvents, abundance of vapor-gas nuclei, the capture of gas by porous or fibre-like polymeric particles during the polymer dissolution or melting, etc. Spontaneous evacuation of bubbles in polymeric media is usually complicated by a high viscosity of the liquid; therefore two-phase polymeric systems possess a higher sedimentation and aggregation stability than bubble mixtures in low-molecular-weight liquids. One of the main problems in the dynamics of vapor-liquid and gas-liquid systems is the investigation of heat and mass transfer and phase interactions in a liquid with bubbles. The decisive importance of this problem in the analysis of various aspects of the bubbly fluid behavior under diverse conditions, in particular, during a sound wave propagation, has given impetus to numerous researches. The current state of art in the investigation of Newtonian liquids with bubbles is described in voluminous literature. However, these problems have been much less studied for non-Newtonian systems. Behavior of bubbles in polymeric liquids is of great interest because of wide application in chemical technology. . . . In a number of processes connected with the application of polymeric fluids, the dynamic interaction of bubbles with liquid phase plays the key role. Such interaction in the case of a polymeric liquid phase are essentially influenced by the specific properties of macromolecular fluids, including primarily the rheological effects. These effects in the bubble dynamics combined with heat and mass transfer between the bubble content and the ambient liquid constitute the main subject of the analysis presented in this book. Macrokinetics Laboratory, and Full Professor at the Byelorussian Polytechnic Institute, Department of Heat and Power Engineering. Dr. Schulman is recognized as a leading authority in his field of investigation. Extensive Bibliography: A valuable feature of this new book is its extensive international bibliography, with 393 references.

Bubbles in Polymeric Liquids: Dynamics and Heat-Mass Transfer

Semyon P. Levitsky

Zinoviy P. Shulman

Chemistry

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