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Online Catalogue last updated 17^{th} of September 2023

### Strength of Materials by J.P. Den Hartog

Among introductory texts on the strength of materials, this work is particularly distinguished. It was originally developed by Professor Den Hartog to meet the needs of engineering students at M.I.T. for a sound yet lucid first course in strength of materials. As such it has also enjoyed wide popularity in engineering schools throughout the world.

But the book was remarkable in a number of other ways, so that it has become one of the favourite refresher and reference works for engineers as well as a popular self-study text. Perhaps the chief reason for this is that in addition to all the customary elementary material on the subject (i.e., clear introductions to the fundamentals of tension, torsion, bending, compound stresses, deflection of beams, etc.) it also contains a considerable amount of more advanced material concerning methods of great practical value to working engineers which are not usually included in introductory texts. This material is presented in starred sections (which may be omitted on a first reading without interrupting the flow of the presentation) and includes a full treatment of the Mohr circle and its applications to the determination of moments of inertia and strains as well as stresses; a lucid elementary presentation of the theory of the centre of shear; and one of the few elementary discussions of the "Myosotis" method of calculating beam deflections, a method which often possesses considerable advantage over the more usual methods involving moment-area or the differential equation of bending.

Other material not usually found in elementary texts but which are frequently of great value to the practising engineer are the discussions of the statically indeterminate truss, reinforced concrete, plastic deformation, thick-walled cylinders, thick curved bars, Maxwell's Reciprocal Theorem, and photoelasticity.

In all sections, both general principles and concrete applications are given. Another feature which readers have found unusually helpful is the 85-page section of 350 problems which gives the student practice in techniques and further illustrates applications. All problems are complete with answers.

Recent reprint of the 1949 edition.

Code No. **005659**, 323 pages, ISBN 0486607550, **$27.00**

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